Professor Andrew Day

2026

Journal - Research Article

Brown, S. C., Berkouwer, B., Vernon-Roberts, A., & Day, A. S. (2026). Maintenance enteral nutrition in paediatric Crohn's disease: A systematic review and meta-analysis. Pediatric Gastroenterology, Hepatology & Nutrition, 29(3), 197-211. doi: 10.5223/pghn.2026.29.3.197

Prendergast, P. J., Bishop, H. V., Herbold, C. W., Verdu, E. F., Dobson, R. C. J., Day, A. S., & Ogilvie, O. J. (2026). Comprehensive cross-cohort analysis reveals global gut microbiome signatures of celiac disease. Communications Medicine. Advance online publication. doi: 10.1038/s43856-026-01627-1

Park, S., Noh, J., Kim, C., Lim, H., Lee, E. J., Koh, H., Day, A. S., & Vernon-Roberts, A. (2026). Validation of the Korean version of a knowledge assessment tool for children with inflammatory bowel disease. Journal of Korean Medical Science, 41(13), e7. doi: 10.3346/jkms.2026.41.e7

Kendall, C., Swaminathan, A., Borichevsky, G. M., Day, A. S., Kettle, A. J., & Gearry, R. B. (2026). Factors associated with loss of fecal biomarker accuracy during routine assessment of inflammatory bowel disease. JGH Open, 10(3), e70301. doi: 10.1002/jgh3.70301

Hall, S., Kenrick, K., Coppell, K. J., Day, A. S., & Vernon-Roberts, A. (2026). Development and validation of a tool to assess disease-related knowledge in children with coeliac disease. Journal of Clinical Medicine, 15, 997. doi: 10.3390/jcm15030997

Forbes, A. J., Gibb, S. J., Bowden, N., Day, A. S., Frampton, C. M. A., & Gearry, R. B. (2026). Incidence, prevalence and mortality of inflammatory bowel disease in New Zealand 2006-2022 using hospital information in the Integrated Data Infrastructure (IDI). Internal Medicine Journal, 56(2), 229-237. doi: 10.1111/imj.70291

Vernon-Roberts, A., Frampton, C. M., & Day, A. S. (2026). Assessment of direct costs attributed to the clinical management of children with inflammatory bowel disease in New Zealand. Journal of Pediatric Gastroenterology & Nutrition, 82(1), 74-83. doi: 10.1002/jpn3.70228

Journal - Research Other

Shah, A., Talley, N. J., Knowles, S. R., Duncanson, K., Koloski, N., Connor, J. P., Day, A. S., … Holtmann, G. (2026). A clinical practice update for the management of patients with disorders of gut-brain interaction and altered food intake behavior. Neurogastroenterology & Motility, 38(5), e70337. doi: 10.1111/nmo.70337

Shaoul, R., & Day, A. S. (2026). The role of nutrition in pediatric Gastrointestinal diseases. Nutrients, 18, 1307. doi: 10.3390/nu18081307

Vernon-Roberts, A., & Day, A. S. (2026). The role of nutritional supplements and oral complementary or alternative medicine supplements for the management of chronic conditions in children. Frontiers in Pediatrics, 14, 1803405. doi: 10.3389/fped.2026.1803405

Geiculescu, I., Niklinska-Schirtz, B. J., Munasinghe, S., Rajendran, C., Poddar, U., Tanpowpong, P., … Day, A. S., & Kugathasan, S. (2026). Unique challenges faced by tweens and teens with inflammatory bowel disease: A global perspective. Inflammatory Bowel Diseases. Advance online publication. doi: 10.1093/ibd/izag010

Leach, S. T., Wheeler, T., Bowcock, N., Aitchison, A., Lemberg, D. A., & Day, A. S. (2026). The emerging roles of intestinal organoid models in inflammatory bowel disease research. Expert Review of Gastroenterology & Hepatology, 20(3), 247-256. doi: 10.1080/17474124.2026.2635421

Vernon-Roberts, A., & Day, A. S. (2026). Caregiver contributions to self-care among patients with inflammatory bowel disease [Concise commentary]. Digestive Diseases & Sciences. Advance online publication. doi: 10.1007/s10620-026-09716-w

2025

Chapter in Book - Research

Brown, S., & Day, A. S. (2025). Impact of diet, psychological factors, and psychological care on pediatric IBD outcomes. In C. R. Martin, V. R. Preedy, V. B. Patel & R. Rajendram (Eds.), Handbook of the behavior and psychology of disease. (Living ed.) (pp. 1-18). Cham, Switzerland: Springer Nature. doi: 10.1007/978-3-031-32046-0_123-1

Journal - Research Article

Parcinska, C., Vernon-Roberts, A., Day, A. S., & Banaszkiewicz, A. (2025). Tłumaczenie i walidacja kwestionariusza IBD-KID2: Co dzieci z nieswoistym zapaleniem jelit wiedzą o swojej chorobie? [The translation and validation of Polish IBD-KID2: What do children with inflammatory bowel disease know about their illness?]. Przegląd Pediatryczny, 54(1), 47-54. doi: 10.26625/10194

Brown, S. C., Landorf, E., Fireman, N., Richards, A., & Day, A. S. (2025). The attitudes and beliefs of Australasian pediatric gastroenterologists and dietitians toward the Crohn's disease exclusion diet. JPGN Reports. Advance online publication. doi: 10.1002/jpr3.70082

Ahmed, T., Lemberg, D. A., Day, A. S., & Leach, S. T. (2025). The interplay between immunological status and gut microbial dysbiosis in the development of the symptoms of irritable bowel syndrome: A systematic review with meta-analysis. Digestive Diseases & Sciences. Advance online publication. doi: 10.1007/s10620-025-09360-w

Svolos, V., Gordon, H., Lomer, M. C. E., Aloi, M., Bancil, A., Day, A. S., … Halmos, E. P. (2025). ECCO Consensus on dietary management of inflammatory bowel disease. Journal of Crohn's & Colitis. doi: 10.1093/ecco-jcc/jjaf122

Forbes, A. J., Frampton, C. M. A., Day, A. S., & Gearry, R. B. (2025). 20-year mortality in a population-based cohort of patients with inflammatory bowel disease from New Zealand. Digestive Diseases & Sciences, 70, 3465-3475. doi: 10.1007/s10620-025-09180-y

Vernon-Roberts, A., & Day, A. S. (2025). Factors affecting disease activity in children and adults with inflammatory bowel disease: An exploration of pro-inflammatory and anti-inflammatory elements. Gastrointestinal Disorders, 7(2), 31. doi: 10.3390/gidisord7020031

Forbes, A. J., Day, A. S., Frampton, C. M. A., & Gearry, R. B. (2025). Compounding prevalence of inflammatory bowel disease in a 2024 population-based study from Canterbury, New Zealand. JGH Open, 9(6), e70192. doi: 10.1002/jgh3.70192

Borichevsky, G. M., Swaminathan, A., Smith, B. R., Edwards, T. S., Ashby, L. V., Frampton, C. M. A., Day, A. S., Gearry, R. B., & Kettle, A. J. (2025). Myeloperoxidase enzyme activity in feces reflects endoscopic severity in inflammatory bowel disease. Inflammatory Bowel Diseases, 31(8), 2254-2268. doi: 10.1093/ibd/izaf109

Ritchie, K., Vernon-Roberts, A., & Day, A. S. (2025). Role of noncontrast enhanced abdominal ultrasound in the diagnostic assessment of pediatric inflammatory bowel disease. Journal of Pediatric Gastroenterology & Nutrition. Advance online publication. doi: 10.1002/jpn3.70044

Huang, H., Li, P., Vernon-Roberts, A., Day, A. S., Liu, B., Wu, Z., … Wang, H. (2025). The Inflammatory Bowel Disease Knowledge Inventory Device 2 (IBD-KID2) is an effective tool for measuring disease-specific knowledge in Chinese patients. PLoS ONE, 20(4), e0321036. doi: 10.1371/journal.pone.0321036

O'Donnell, J. E. M., Leach, S. T., Bowcock, N. L., Chen, S., Gupta, N., Jiang, K., … Day, A. S., & Lemberg, D. A. (2025). Daily vitamin D3 versus stoss vitamin D3 for correction of 25OHD deficiency in children with inflammatory bowel disease: A randomised controlled trial. Digestive Diseases & Sciences. Advance online publication. doi: 10.1007/s10620-025-08913-3

Aitchison, A., Edwards, T. S., & Day, A. S. (2025). Simulated gastrointestinal digestion of milk caseins containing A1 β-casein does not lead to increased production of inflammatory proteins in intestinal epithelial cells in vitro when compared to milk caseins containing A2 β-casein. Journal of Functional Foods, 125, 106669. doi: 10.1016/j.jff.2025.106669

Verma, S. K., Wakhlu, A., Verma, S., Verma, S., Day, A. S., & Nair, N. P. (2025). Epidemiology and genotyping of rotavirus gastroenteritis and rotavirus associated intussusception in preschool children in central Uttar Pradesh. Clinical Epidemiology & Global Health, 31, 101900. doi: 10.1016/j.cegh.2024.101900

Forbes, A. J., Day, A. S., Frampton, C. M. A., & Gearry, R. B. (2025). Incidence of inflammatory bowel disease in Canterbury, New Zealand, 2018–2023. Digestive Diseases & Sciences, 70, 719-727. doi: 10.1007/s10620-024-08811-0

Edwards, T. S., Ho, S. S. C., Brown, S. C., Appleton, L., Smith, B. R., Borichevsky, G. M., Swaminathan, A., Frampton, C. M. A., Gearry, R. B., Kettle, A. J., & Day, A. S. (2025). Fecal myeloperoxidase levels reflect disease activity in children with Crohn’s disease. Inflammatory Bowel Diseases, 31, 800-811. doi: 10.1093/ibd/izae262

Swaminathan, A., Borichevsky, G. M., Frampton, C. M., Day, A. S., Hampton, M. B., Kettle, A. J., & Gearry, R. B. (2025). Comparison of fecal calprotectin and myeloperoxidase in predicting outcomes in inflammatory bowel disease. Inflammatory Bowel Diseases, 31, 28-36. doi: 10.1093/ibd/izae032

Journal - Research Other

Acire, P. V., Brown, S. C., & Day, A. S. (2025). The role of the Mediterranean diet in the management of inflammatory bowel disease: A narrative review. Intestinal Research. Advance online publication. doi: 10.5217/ir.2025.00043

Takeuchi, I., Arai, K., Tanpowpong, P., Lai, M.-W., Day, A. S., Lee, W. S., … Poddar, U. (2025). Asian–Pacific perspectives on the management of very early-onset inflammatory bowel disease. Intestinal Research, 23(4), 405-429. doi: 10.5217/ir.2025.00082

Ho, S. S. C., & Day, A. S. (2025). The plot thickens: Is eosinophilic gastritis related to collagenous gastritis? [Invited]. Digestive Diseases & Sciences. Advance online publication. doi: 10.1007/s10620-025-09398-w

Liu, G. X. H., & Day, A. S. (2025). Alpha fail: Ustekinumab to the rescue after TNFα failure in patients with moderate to severe Crohn's Disease [Invited]. Digestive Diseases & Sciences. Advance online publication. doi: 10.1007/s10620-025-09090-z

Vernon-Roberts, A., & Day, A. S. (2025). Do population migrations affect the incidence, severity, and outcomes of inflammatory bowel disease? [Concise commentary]. Digestive Diseases & Sciences. Advance online publication. doi: 10.1007/s10620-025-08972-6

Conference Contribution - Published proceedings: Abstract

Prados, A., Sigall-Boneh, R., Gold, S., Haskey, N., Day, A., Beall, K., On behalf of the Medical Advisory Board of Nutritional Therapy for IBD. (2025). Nutritional therapy for IBD: A new non-profit organization that offers trusted, evidence-based information and novel resources on diet and nutritional therapies in IBD. Journal of Crohn's & Colitis, 19(Suppl. 1), (pp. i1201-i1202). doi: 10.1093/ecco-jcc/jjae190.0145

Aitchison, A., Edwards, T., & Day, A. (2025). Simulated gastrointestinal digestion of bovine A1 β-casein does not increase production of inflammatory proteins in vitro compared to A2 β-casein. Journal of Gastroenterology & Hepatology, 40(Suppl. 1), (pp. 26-27). doi: 10.1111/jgh.16899

Vernon-Roberts, A., Ritchie, K., & Day, A. S. (2025). Role of abdominal ultrasound in the diagnostic assessment of pediatric inflammatory bowel disease. Journal of Gastroenterology & Hepatology, 40(Suppl. 1), (pp. 25-26). doi: 10.1111/jgh.16899

Forbes, A., Day, A., Frampton, C., & Gearry, R. (2025). Is the pattern of IBD in Canterbury changing?: A population-based epidemiological study. Journal of Gastroenterology & Hepatology, 40(Suppl. 1), (pp. 21). doi: 10.1111/jgh.16899

Vernon-Roberts, A., & Day, A. S. (2025). Estimated national cost of managing pediatric IBD in New Zealand. Journal of Gastroenterology & Hepatology, 40(Suppl. 1), (pp. 14-15). doi: 10.1111/jgh.16899

Hall, S., Vernon-Roberts, A., Coppell, K., & Day, A. (2025). Diagnosis experiences for people with celiac disease in New Zealand: A part of the Coeliac Disease Health Survey 2024. Journal of Gastroenterology & Hepatology, 40(Suppl. 1), (pp. 12). doi: 10.1111/jgh.16899

Vernon-Roberts, A., & Day, A. S. (2025). Assessment of direct costs attributed to the management of children with inflammatory bowel disease in Canterbury, New Zealand. Journal of Gastroenterology & Hepatology, 40(Suppl. 1), (pp. 6-7). doi: 10.1111/jgh.16899

2024

Journal - Research Article

Philpott, H., Lemberg, D. A., Day, A. S., Rosenbaum, J., Singh, H., Rumore, S., … Porter, J., … Sharma, A. (2024). Characteristics and management of eosinophilic esophagitis in Australasian children: A decade of experience. Internal Medicine Journal. Advance online publication. doi: 10.1111/imj.16558

Hall, S., Kenrick, K., Day, A. S., & Vernon-Roberts, A. (2024). Access to gluten-free foods for people with coeliac disease in New Zealand. New Zealand Medical Journal/Te ara tika o te hauora hapori, 137(1605), 22-39. Retrieved from https://nzmj.org.nz/

Bener, A., Ozturk, A. E., Ustundag, U. V., Barisik, C. C., Agan, A. F., & Day, A. S. (2024). Assessing the impact of serum calcium, 25-hydroxy vitamin D, ferritin, and uric acid levels on colorectal cancer risk. Journal of Clinical Medicine Research, 16(10), 483-490. doi: 10.14740/jocmr5296

Chanchlani, N., Yiu, Z. Z. N., Stamp, L. K., & Day, A. S. (2024). Therapeutic drug monitoring for immune mediated inflammatory diseases. BMJ Medicine, 3, e001130. doi: 10.1136/bmjmed-2024-001130

Forbes, A. J., Frampton, C. M. A., Day, A. S., DeVries, M., McVicar, N., Su, H., & Gearry, R. B. (2024). Ten-year outcomes of a prospective population-based incidence cohort of inflammatory bowel disease patients from Canterbury, New Zealand. JGH Open, 8, e70038. doi: 10.1002/jgh3.70038

Bener, A., Öztürk, A. E., Dasdelen, M. F., Barisik, C. C., Dasdelen, Z. B., Agan, A. F., … Day, A. S. (2024). Colorectal cancer and associated genetic, lifestyle, cigarette, nargileh-hookah use and alcohol consumption risk factors: A comprehensive case-control study. Oncology Reviews, 18, 1449709. doi: 10.3389/or.2024.1449709

Vernon-Roberts, A., Verma, S., Day, A. S., & Ho, S. S. C. (2024). Meta-analysis: High pooled positive predictive value of the European Society of Paediatric Gastroenterology, Hepatology and Nutrition no-biopsy approach for coeliac disease testing in children. Alimentary Pharmacology & Therapeutics, 60, 672-685. doi: 10.1111/apt.18177

Bener, A., Tokaç, M., Tewfik, I., Zughaier, S. M., Ağan, A. F., & Day, A. S. (2024). Breastfeeding duration reduces the risk of childhood leukemia and modifies the risk of developing functional gastrointestinal disorders. Breastfeeding Medicine, 19(7). doi: 10.1089/bfm.2024.0033

Swaminathan, A., Borichevsky, G. M., Frampton, C., Kettle, A. J., Peyrin-Biroulet, L., Siegel, C. A., Day, A. S., & Gearry, R. B. (2024). Development and investigation of a non-invasive disease severity index for inflammatory bowel disease. Journal of Crohn's & Colitis, 2023-2032. doi: 10.1093/ecco-jcc/jjae106

McLay, L., Hunter, J., Ballam, K., Emerson, L. M., Day, A. S., Vandeleur, M., … Woodford, E. (2024). An evaluation of psychosocial sleep interventions for children with chronic health conditions: A Systematic Review. Sleep Medicine Reviews, 77, 101962. doi: 10.1016/j.smrv.2024.101962

Rižnik, P., Antunes, H., Auricchio, R., Bayrak, N. A., Tov, A. B., Bierła, J., … Day, A., … Hurley, A., … Setty, M. (2024). Global patterns in clinical presentation of pediatric Coeliac disease. JPGN Reports, 5(Suppl. 1), S284-S285. doi: 10.1002/jpr3.12073

Vernon-Roberts, A., Verma, S., Day, A., & Ho, S. (2024). Diagnostic accuracy of the ESPGHAN guidelines for Coeliac disease testing in children: A meta-analysis with pooled positive predictive value. JPGN Reports, 5(Suppl. 1), S272. doi: 10.1002/jpr3.12073

Rižnik, P., Antunes, H., Assiri, A., Auricchio, R., Bayrak, N. A., Tov, A. B., … Day, A., … Hurley, A., … Setty, M. (2024). International trends in pediatric Coeliac disease management: A global shift towards no-biopsy approach. JPGN Reports, 5(Suppl. 1), S192-S193. doi: 10.1002/jpr3.12073

Denny, A., Day, A. S., & Vernon-Roberts, A. (2024). Association between paediatric complementary and alternative medicine use and parental health literacy, child health, and socio-economic variables: A prospective study. Pediatric Reports, 16, 368-384. doi: 10.3390/pediatric16020032

Vernon-Roberts, A., Humphrey, O., & Day, A. S. (2024). Exploring the diagnostic spectrum of children with raised faecal calprotectin levels. Children, 11, 420. doi: 10.3390/children11040420

Tao, Q., Chang, Y., Day, A. S., Wu, J., & Wang, X. (2024). Association between serum 25-hydroxyvitamin D level and myopia in children and adolescents: A cross-sectional study. Translational Pediatrics, 13(2), 310-317. doi: 10.21037/tp-23-617

Vernon-Roberts, A., Day, A. S., on behalf of the PEDiatric Australasian Gastroenterology REsearch NEtwork (PEDAGREE). (2024). Patterns of vitamin D testing and supplementation for children with inflammatory bowel disease in Australasia. JGH Open, 8, e13041. doi: 10.1002/jgh3.13041

Vernon-Roberts, A., Chan, P., Christensen, B., Day, A. S., Havrlant, R., Giles, E., & Williams, A.-J. (2024). Transitional care of adolescents with inflammatory bowel disease to adult services varies widely across Australia and New Zealand. JGH Open, 8, e13032. doi: 10.1002/jgh3.13032

Forbes, A. J., Frampton, C. M. A., Day, A. S., Kaplan, G. G., & Gearry, R. B. (2024). The epidemiology of inflammatory bowel disease in Oceania: A systematic review and meta-analysis of incidence and prevalence. Inflammatory Bowel Diseases, 30, 2076-2086. doi: 10.1093/ibd/izad295

Vernon-Roberts, A., Blay, L., & Day, A. S. (2024). Knowledge levels about inflammatory bowel disease vary between healthcare professional groups. Digestive Diseases & Sciences, 69, 410-418. doi: 10.1007/s10620-023-08191-x

Vernon-Roberts, A., Premaratne, M., Wright, R., Keenan, J. I., & Day, A. S. (2024). Profile of Helicobacter pylori infections among children in the South Island of New Zealand (2010-2021). Helicobacter, 29, e13037. doi: 10.1111/hel.13037

Journal - Research Other

Douglas, G., Day, A. S., & Brown, S. C. (2024). Prolonged maintenance of remission with Crohn disease exclusion diet (CDED) in two siblings with Crohn disease. Recent Progress in Nutrition, 4(4), 20. doi: 10.21926/rpn.2404020

Vernon-Roberts, A., Blay, L., & Day, A. S. (2024). Inflammatory bowel disease knowledge and education among healthcare professional groups. Digestive Diseases & Sciences, 69, 4491-4492. doi: 10.1007/s10620-024-08719-9

Blackwell, M. G., Brown, S. C., & Day, A. S. (2024). Cyclic exclusive enteral nutrition as an alternative to medical maintenance in Crohn Disease: A case report. Recent Progress in Nutrition, 4(4), 017. doi: 10.21926/rpn.2404017

Swaminathan, A., Day, A. S., Sparrow, M. P., Peyrin-Biroulet, L., Siegel, C. A., & Gearry, R. B. (2024). Measuring disease severity in inflammatory bowel disease: Beyond treat to target. Alimentary Pharmacology & Therapeutics, 60, 1176-1199. doi: 10.1111/apt.18231

Magen-Rimon, R., Day, A. S., & Shaoul, R. (2024). An overview of nutritional interventions in inflammatory bowel diseases. Nutrients, 16, 3055. doi: 10.3390/nu16183055

Khayatan, D., Lemberg, D. A., & Day, A. S. (2024). The role of topical tacrolimus in the management of inflammatory bowel disease: A comprehensive review. Journal of Clinical Medicine, 13, 5518. doi: 10.3390/jcm13185518

Swaminathan, A., & Day, A. S. (2024). Measures of gut inflammation in patients with inflammatory bowel disease: Are blood-based biomarkers sufficient? [Invited commentary]. Digestive Diseases & Sciences, 69, 2723-2724. doi: 10.1007/s10620-024-08567-7

Hall, S., Kenrick, K., Day, A. S., & Vernon-Roberts, A. (2024). A systematic review of tools to assess coeliac disease-related knowledge. Journal of Clinical Medicine, 13, 4053. doi: 10.3390/jcm13144053

Edwards, T. S., & Day, A. S. (2024). The role of fecal biomarkers in individuals with inflammatory bowel disease. Expert Review of Molecular Diagnostics, 24(6), 497-508. doi: 10.1080/14737159.2024.2375224

Grover, Z., & Day, A. S. (2024). Novel pharmacological developments in the management of paediatric inflammatory bowel disease. Journal of Paediatrics & Child Health, 60(6), 162-163. doi: 10.1111/jpc.16607

Shaoul, R., Lightdale, J. R., & Day, A. S. (2024). Pediatric endoscopy and sedation: Volume II. Frontiers in Pediatrics, 12, 1403090. doi: 10.3389/fped.2024.1403090

Vernon-Roberts, A., Safe, M., & Day, A. S. (2024). Pediatric functional gastrointestinal disorders: Challenges in diagnosis and treatment. Gastrointestinal Disorders, 6, 308-312. doi: 10.3390/gidisord6010021

Swaminathan, A., Day, A. S., & Gearry, R. B. (2024). Assessing disease severity in inflammatory bowel disease: Can we reliably encompass the full burden of illness? Digestive & Liver Disease, 56, 905-906. doi: 10.1016/j.dld.2024.01.185

Liu, G. X. H., & Day, A. S. (2024). Plant-based diets for inflammatory bowel disease: What is the evidence? Inflammatory Bowel Diseases, 30, 1865-1876. doi: 10.1093/ibd/izad213

Conference Contribution - Published proceedings: Abstract

Riznik, P., Alkalay, M., Antunes, H., Auricchio, R., Aykut Bayrak, N., Ben‐Tov, A., … Day, A., … Dolinsek, J. (2024). International trends in pediatric celiac disease management: A global shift towards the no-biopsy approach. JPGN Reports, 5(Suppl. 2), (pp. s679-s681). doi: 10.1002/jpr3.12132

Dawson, K., Day, A., & Keenan, J. I. (2024). Colonic mucus attenuates the genotoxic effect of the Bacteroides fragilis toxin. Journal of Gastroenterology & Hepatology, 39(Suppl. 1), (pp. 264). doi: 10.1111/jgh.16703

Swaminathan, A., Borichevsky, G., Frampton, C., Hampton, M., Kettle, A., Peyrin-Biroulet, L., … Day, A., & Gearry, R. (2024). A non-invasive inflammatory bowel disease severity index can help predict a complicated course of illness. Journal of Gastroenterology & Hepatology, 39(Suppl. 1), (pp. 210-211). doi: 10.1111/jgh.16702

Riznik, P., Abrishamchian, P., Alkalay, M., Antunes, H., Aykut Bayrak, N., Ben‐Tov, A., … Day, A., … Dolinsek, J. (2024). Across the globe: Insights into diagnostic delays in children with celiac disease. JPGN Reports, 5(Suppl. 2), (pp. s676-s678). doi: 10.1002/jpr3.12132

Rižnik, P., Abrishamchian, P., Antunes, H., Bayrak, N. A., Tov, A. B., Bierła, J., … Day, A., … Hurley, A., … Setty, M. (2024). Across the globe: Insights into diagnostic delays in children with Coeliac disease. JPGN Reports, 5(Suppl. 1), (pp. S14-S15). doi: 10.1002/jpr3.12073

Pipicella, J. L., Dutt, S., Giles, E., Day, A. S., Wright, R., Goodfellow, T., … Connor, S. J. (2024). A glance into paediatric Inflammatory Bowel Disease in Australasia: Crohn's Colitis Cure (CCC) data insights program. Journal of Crohn's & Colitis, 18(Suppl. 1), P940. doi: 10.1093/ecco-jcc/jjad212.1070

Other - Edited Journal

Hurley, A., Day, A. S., & Safe, M. (Eds.). (2024). Gastrointestinal Disorders, 6 (1), [Special issue]. [Guest Editors].

2023

Journal - Research Article

Zhou, Y., He, L., Chen, C., Zeng, H., Day, A. S., Sergio, C. M., … Wu, Y. (2023). Analysis of risk factors for community-acquired Clostridioides difficile diarrhea in children: A case-control study in Chenzhou, China. Translational Pediatrics, 12(11), 2053-2061. doi: 10.21037/tp-23-448

Katz, T. E., Wakefield, C. E., Signorelli, C., Day, A. S., Vernon-Roberts, A., & Ooi, C. Y. (2023). Gastroenterology services for patients with cystic fibrosis across Australia and New Zealand: A multi-stakeholder assessment of patients' and professionals’ perspectives. Frontiers in Pediatrics, 11, 1322941. doi: 10.3389/fped.2023.1322941

Pipicella, J. L., Vernon-Roberts, A., Dutt, S., Giles, E., Day, A. S., Connor, S. J., & Andrews, J. M. (2023). Co-design and consultation ensure consumer needs are net: Building an eHealth platform for children with inflammatory bowel disease. Digestive Diseases & Sciences, 68, 4368-4380. doi: 10.1007/s10620-023-08146-2

Forbes, A. J., Frampton, C. M. A., Day, A. S., Vernon-Roberts, A., & Gearry, R. B. (2023). Descriptive epidemiology of paediatric inflammatory bowel disease in Oceania: A systematic review and meta-analysis. Journal of Pediatric Gastroenterology & Nutrition, 77(4), 512-518. doi: 10.1097/MPG.0000000000003900

Brown, S., Wall, C. L., Frampton, C., Gearry, R. B., & Day, A. S. (2023). The low FODMAP diet for Children with inflammatory bowel disease and overlapping functional gastrointestinal symptoms: A case series. Recent Progress in Nutrition, 3(2), 009. doi: 10.21926/rpn.2302009

Magen-Rimon, R., Day, A. S., & Shaoul, R. (2023). Nutritional aspects of inflammatory bowel disease. Expert Review of Gastroenterology & Hepatology, 17(7), 731-740. doi: 10.1080/17474124.2023.2231340

Vernon-Roberts, A., Alexander, I., & Day, A. S. (2023). Prevalence of functional gastrointestinal disorders (Rome IV criteria) among a cohort of New Zealand children. Gastrointestinal Disorders, 5, 261-272. doi: 10.3390/gidisord5020021

Brown, S. C., Wall, C. L., Gearry, R. B., & Day, A. S. (2023). Exclusive enteral nutrition for the treatment of pediatric Crohn’s disease: The patient perspective. Pediatric Gastroenterology, Hepatology & Nutrition, 26(3), 165-172. doi: 10.5223/pghn.2023.26.3.165

Vernon-Roberts, A., Musto, F., Aloi, M., & Day, A. S. (2023). Italian cross-cultural adaptation of a knowledge assessment tool (IBD-KID2) for children with inflammatory bowel disease. Gastrointestinal Disorders, 5, 187-197. doi: 10.3390/gidisord5020016

Lopez, R. N., Leach, S. T., Bowcock, N., Coker, E., Shapiro, A. J., Day, A. S., & Lemberg, D. A. (2023). Differences in gut microbiome profile between healthy children and children with inflammatory bowel disease and/or autoimmune liver disease: A case-control study. Pathogens, 12, 585. doi: 10.3390/pathogens12040585

Talebi, S., Day, A. S., Safarian, M., Sayedi, S. J., Jaafari, M. R., Abbasi, Z., … Kianifar, H. R. (2023). Adjunctive nano-curcumin therapy improves inflammatory and clinical indices in children with cystic fibrosis: A randomized clinical trial. Food Science & Nutrition, 11, 3348-3357. doi: 10.1002/fsn3.3323

Vernon-Roberts, A., Rouse, E., Bowcock, N. L., Lemberg, D. A., & Day, A. S. (2023). Agreement level of inflammatory bowel disease symptom reports between children and their parents. Pediatric Gastroenterology, Hepatology & Nutrition, 26(2), 88-98. doi: 10.5223/pghn.2023.26.2.88

Zain-Alabedeen, S., Kamel, N., Amin, M., Vernon-Roberts, A., Day, A. S., & Khashana, A. (2023). Fecal calprotectin and cow's milk-related-symptoms score in children with cow's milk protein allergy. Pediatric Gastroenterology, Hepatology & Nutrition, 26(1), 43-49. doi: 10.5223/pghn.2023.26.1.43

Vernon-Roberts, A., Denny, A., & Day, A. S. (2023). Point prevalence of complementary or alternative medicine use among children attending a tertiary care hospital. Children, 10, 132. doi: 10.3390/children10010132

Mules, T. C., Swaminathan, A., Hirschfeld, E., Borichevsky, G. M., Frampton, C. M., Day, A. S., & Gearry, R. B. (2023). The impact of disease activity on sexual and erectile dysfunction in patients with inflammatory bowel disease. Inflammatory Bowel Diseases, 29, 1244-1254. doi: 10.1093/ibd/izac204

Journal - Research Other

Wong, P. Y., Yip, C., Lemberg, D. A., Day, A. S., & Leach, S. T. (2023). Evolution of a pathogenic microbiome. Journal of Clinical Medicine, 12, 7184. doi: 10.3390/jcm12227184

Bener, A., Tewfik, I., Zughaier, S. M., & Day, A. S. (2023). Global excellence in children and health. Frontiers in Public Health, 11, 1286481. doi: 10.3389/fpubh.2023.1286481

Robson, N., & Day, A. S. (2023). Looking for coeliac disease hiding in the family. Medical Journal of Australia, 219(8), 355. doi: 10.5694/mja2.52116

Vernon-Roberts, A., & Day, A. S. (2023). Promoting early testing and appropriate referral to reduce diagnostic delay for children with suspected inflammatory bowel disease, a narrative review. Translational Pediatrics, 12(7), 1416-1430. doi: 10.21037/tp-23-35

Moton, T. M., King, P. T., Dalziel, S. R., Merry, S., Robertson, S. P., & Day, A. S. (2023). The current and future state of child health and wellbeing in Aotearoa New Zealand: Part 2. Journal of the Royal Society of New Zealand, 53(5), 549-552. doi: 10.1080/03036758.2023.2219409

Day, A. S. (2023). Insights in pediatric gastroenterology, hepatology and nutrition: 2022. Frontiers in Pediatrics, 11, 1210986. doi: 10.3389/fped.2023.1210986

Krishnan, U., & Day, A. S. (2023). Advances in nutrition in pediatric gastroenterology. Nutrients, 15, 2181. doi: 10.3390/nu15092181

Vernon-Roberts, A., Aluzaite, K., Khalilipour, B., & Day, A. S. (2023). Systematic review of diagnostic delay for children with inflammatory bowel disease. Journal of Pediatric Gastroenterology & Nutrition, 76(3), 304-312. doi: 10.1097/MPG.0000000000003670

Conference Contribution - Published proceedings: Abstract

Forbes, A., Gearry, R., & Day, A. (2023). Paediatric inflammatory bowel disease in the South Island of New Zealand: Initial data from Crohn's Colitis Care. Proceedings of the Graduate Research Student Symposium. (pp. 13). Retrieved from https://www.otago.ac.nz/graduate-research

Brown, S. C., Whelan, K., Frampton, C., Wall, C. L., Gearry, R. B., & Day, A. S. (2023). Food-related quality of life in children and adolescents with Crohn Disease. Clinical Nutrition ESPEN, 58, (pp. 751). doi: 10.1016/j.clnesp.2023.10.015

Vernon-Roberts, A., Chan, P., Christensen, B., Day, A. S., Havrlant, R., Giles, E., & Williams, A. J. (2023). Variation in transitional care of adolescents with inflammatory bowel disease to adult services in Australia and New Zealand. Journal of Gastroenterology & Hepatology, 38(Suppl. 2), (pp. 123). doi: 10.1111/jgh.16291

Katz, T., Wakefield, C. E., Signorelli, C., Day, A. S., Vernon-Roberts, A., & Ooi, C. Y. (2023). Gastroenterology services for patients with cystic fibrosis across Australia and New Zealand: A multi-stakeholder assessment of patients’ and professionals’ perspectives. Journal of Cystic Fibrosis, 22(Suppl. 2), P298. doi: 10.1016/S1569-1993(23)00669-0

2022

Journal - Research Article

Martin, N. G., Roberts, A. J., Evans, H. M., Bishop, J., & Day, A. S. (2022). Adherence to the New Zealand pediatric guideline for the assessment and diagnosis of inflammatory bowel disease. JPGN Reports, 3(4), e266. doi: 10.1097/PG9.0000000000000266

Ho, S. S. C., Evans, H. M., Roberts, A. J., Thapar, N., Dutt, S., Thacker, K., … Day, A. S., on behalf of the PEDiatric Australasian Gastroenterology REsearch NEtwork (PEDAGREE). (2022). Australasian paediatric gastroenterologist practices of coeliac disease diagnosis before and during the COVID-19 pandemic. Journal of Paediatrics & Child Health, 58, 2280-2285. doi: 10.1111/jpc.16227

Kord Varkaneh, H., Poursoleiman, F., Al Masri, M. K., Alras, K. A., Shayah, Y., Masmoum, M. D., … Day, A. S., … Kutbi, E. (2022). Low fat diet versus low carbohydrate diet for management of non-alcohol fatty liver disease: A systematic review. Frontiers in Nutrition, 9, 987921. doi: 10.3389/fnut.2022.987921

Brown, S., Wall, C. L., Frampton, C., Gearry, R. B., & Day, A. S. (2022). Dietary nutrient intake and blood micronutrient status of children with Crohn's disease compared with their shared-home environment, healthy siblings. Nutrients, 14, 3425. doi: 10.3390/nu14163425

Volkers, A. G., Appleton, L., Gearry, R. B., Frampton, C. M., De Voogd, F. A. E., Peters van Ton, A. M., … Day, A. S. (2022). Fecal calprotectin, chitinase 3-like-1, S100A12 and osteoprotegerin as markers of disease activity in children with Crohn's disease. Gastrointestinal Disorders, 4(3), 180-189. doi: 10.3390/gidisord4030017

Khalilipour, B. S., Day, A. S., Kenrick, K., Schultz, M., & Aluzaite, K. (2022). Diagnostic delay in paediatric inflammatory bowel disease: A systematic investigation. Journal of Clinical Medicine, 11, 4161. doi: 10.3390/jcm11144161

Swaminathan, A., Borichevsky, G. M., Edwards, T. S., Hirschfeld, E., Mules, T. C., Frampton, C. M. A., Day, A. S., Hampton, M. B., Kettle, A. J., & Gearry, R. B. (2022). Faecal myeloperoxidase as a biomarker of endoscopic activity in inflammatory bowel disease. Journal of Crohn's & Colitis, 16, 1862-1873. doi: 10.1093/ecco-jcc/jjac098

Swaminathan, A., Fan, D., Borichevsky, G. M., Mules, T. C., Hirschfeld, E., Frampton, C. M., Day, A. S., … Gearry, R. B. (2022). The disease severity index for inflammatory bowel disease is associated with psychological symptoms and quality of life, and predicts a more complicated disease course. Alimentary Pharmacology & Therapeutics, 56, 664-674. doi: 10.1111/apt.17058

Buerkle, K. S., Vernon-Roberts, A., Ho, C., Schultz, M., & Day, A. S. (2022). A short knowledge assessment tool is valid and acceptable for adults with inflammatory bowel disease. Digestive Diseases & Sciences, 67, 2049-2058. doi: 10.1007/s10620-022-07507-7

Vernon-Roberts, A., Lopez, R. N., Frampton, C. M. A., & Day, A. S. (2022). Meta-analysis of the efficacy of taurolidine in reducing catheter-related bloodstream infections for patients receiving parenteral nutrition. Journal of Parenteral & Enteral Nutrition, 46, 1535-1552. doi: 10.1002/jpen.2363

Brown, S. C., Whelan, K., Frampton, C., Wall, C. L., Gearry, R. B., & Day, A. S. (2022). Food-related quality of life in children and adolescents with Crohn's disease. Inflammatory Bowel Diseases, 28, 1838-1843. doi: 10.1093/ibd/izac010

Talebi, S., Day, A. S., Rezaiyan, M. K., Ranjbar, G., Zarei, M., Safarian, M., & Kianifar, H. R. (2022). Fecal calprotectin and phenotype severity in patients with cystic fibrosis: A systematic review and meta-analysis. Pediatric Gastroenterology, Hepatology & Nutrition, 25(1), 1-12. doi: 10.5223/pghn.2022.25.1.1

Mules, T. C., Swaminathan, A., Hirschfeld, E., Borichevsky, G., Frampton, C., Day, A. S., & Gearry, R. B. (2022). The impact of disease activity on psychological symptoms and quality of life in patients with inflammatory bowel disease-results from the Stress, Anxiety and Depression with Disease Activity (SADD) Study. Alimentary Pharmacology & Therapeutics, 55, 201-211. doi: 10.1111/apt.16616

Ho, S. S. C., Hall, S., Keenan, J. I., & Day, A. S. (2022). Australasian pediatric gastroenterologists' perspectives and practices of Celiac disease diagnosis and management. Digestive Diseases & Sciences, 67, 1744-1752. doi: 10.1007/s10620-021-06988-2

Journal - Research Other

Ho, S. S. C., Keenan, J. I., & Day, A. S. (2022). Urinary chitinase 3-like 1 and intestinal fatty-acid binding proteins are not elevated in children with inflammatory bowel disease. Intestinal Research, 20(4), 509-513. doi: 10.5217/ir.2022.00064

Vernon-Roberts, A., Lopez, R. N., & Day, A. S. (2022). Taurolidine versus ethanol central line locks for children on parenteral nutrition. Journal of Pediatric Gastroenterology & Nutrition, 75(6), e119. doi: 10.1097/mpg.0000000000003565

Moton, T. M., King, P. T., Dalziel, S. R., Merry, S., Robertson, S. P., & Day, A. S. (2022). The current and future state of child health and wellbeing in Aotearoa New Zealand: Part 1. Journal of the Royal Society of New Zealand, 52(4), 313-317. doi: 10.1080/03036758.2022.2093434

Day, A. S., Bener, A., Tewfik, I., Vajro, P., & Zughaier, S. M. (2022). The role of vitamin D in gut health and disease in children. Frontiers in Public Health, 10, 912773. doi: 10.3389/fpubh.2022.912773

Permain, J., Appleton, L., Ho, S. S. C., Coffey, M., Ooi, C. Y., Keenan, J. I., & Day, A. S. (2022). Children with cystic fibrosis have elevated levels of fecal chitinase-3-like-1. Journal of Pediatric Gastroenterology & Nutrition, 75(1), 48-51. doi: 10.1097/mpg.0000000000003477

Shaoul, R., Lightdale, J. R., & Day, A. S. (2022). Pediatric endoscopy and sedation. Frontiers in Pediatrics, 10, 875156. doi: 10.3389/fped.2022.875156

Wong, E., Lui, K., Day, A. S., & Leach, S. T. (2022). Manipulating the neonatal gut microbiome: Current understanding and future perspectives. Archives of Disease in Childhood: Fetal & Neonatal Edition, 107, F346-F350. doi: 10.1136/archdischild-2021-321922

Conference Contribution - Published proceedings: Abstract

Ho, S. S. C., Evans, H. M., Roberts, A. J., Thapar, N., Dutt, S., Thacker, K., … Day, A. S., on behalf of the PEDiatric Australasian Gastroenterology REsearch NEtwork (PEDAGREE). (2022). Paediatric gastroenterologist perspectives and practice of coeliac disease diagnosis in Australasia before and during the COVID-19 pandemic. Journal of Pediatric Gastroenterology & Nutrition, 74(Suppl. 2), (pp. 152). doi: 10.1097/MPG.0000000000003446

2021

Journal - Research Article

Vernon-Roberts, A., Alexander, I., & Day, A. S. (2021). Systematic review of pediatric functional gastrointestinal disorders (Rome IV criteria). Journal of Clinical Medicine, 10, 5087. doi: 10.3390/jcm10215087

Vernon-Roberts, A., Lopez, R. N., Lewindon, P., Lemberg, D. A., Bowcock, N. L., Alex, G., … Gearry, R. B., & Day, A. S. (2021). Assessment of disease-related knowledge among children with inflammatory bowel disease and their family using IBD-KID2: Evaluating tool generalizability. JPGN Reports, 2(3), e093. doi: 10.1097/PG9.0000000000000093

Edwards, T. S., Dawson, K. L., Keenan, J. I., & Day, A. S. (2021). A simple method to generate β-casomorphin-7 by in vitro digestion of casein from bovine milk. Journal of Functional Foods, 85, 104631. doi: 10.1016/j.jff.2021.104631

Zhen, J., Stefanolo, J. P., de la Paz Temprano, M., Seiler, C. L., Caminero, A., de-Madaria, E., … Day, A. S., … Pinto-Sanchez, M. I. (2021). Risk perception and knowledge of COVID-19 in patients with celiac disease. World Journal of Gastroenterology, 27(12), 1213-1225. doi: 10.3748/wjg.v27.i12.1213

Ho, S. S. C., Keenan, J. I., & Day, A. S. (2021). Parent Perspectives of Diagnostic and Monitoring Tests Undertaken by Their Child with Inflammatory Bowel Disease. Pediatric Gastroenterology, Hepatology & Nutrition, 24(1), 19-29. doi: 10.5223/pghn.2021.24.1.19

Roberts, A. J., Day, A. S., Sinclair, J., Dickson, N., Porter, J., Wellington, G., & Evans, H. M. (2021). Paediatric eosinophilic oesophagitis in New Zealand: A 3-year prospective study. Journal of Paediatrics & Child Health, 57, 234-238. doi: 10.1111/jpc.15183

Vernon-Roberts, A., Frampton, C., Gearry, R. B., & Day, A. S. (2021). Development and validation of a self-management skills assessment tool for children with inflammatory bowel disease: The IBD-Skills Tasks and Abilities Record (IBD-STAR). Journal of Pediatric Gastroenterology & Nutrition, 72(1), 67-73. doi: 10.1097/MPG.0000000000002905

Zhang, Y., Jiang, X., Li, X., Găman, M.-A., Kord-Varkaneh, H., Rahmani, J., … Day, A. S., & Xu, Y. (2021). Serum vitamin D levels and risk of liver cancer: A systematic review and dose-response meta-analysis of cohort studies. Nutrition & Cancer, 73(8), 1-9. doi: 10.1080/01635581.2020.1797127

Journal - Research Other

Shaoul, R., & Day, A. S. (2021). Pediatric endoscopy during COVID-19 times. Frontiers in Pediatrics, 9, 750717. doi: 10.3389/fped.2021.750717

Lopez, R., & Day, A. S. (2021). The risk of chronic diseases and congenital malformations during childhood and adolescence after in utero drug exposure to thiopurines. Alimentary Pharmacology & Therapeutics, 54(8), 1088-1089. doi: 10.1111/apt.16606

Day, A. S. (2021). Aspects of the pathogenesis and management of inflammatory bowel diseases. Gastrointestinal Disorders, 3(3), 96-99. doi: 10.3390/gidisord3030010

Vernon-Roberts, A., Gearry, R. B., & Day, A. S. (2021). Overview of self-management skills and associated assessment tools for children with inflammatory bowel disease. Gastrointestinal Disorders, 3(2), 61-77. doi: 10.3390/gidisord3020007

Vernon-Roberts, A., & Day, A. S. (2021). Trends in paediatric inflammatory bowel disease attributable direct costs. Alimentary Pharmacology & Therapeutics, 53, 1232-1233. doi: 10.1111/apt.16373

Shaoul, R., & Day, A. S. (2021). An overview of tools to score severity in pediatric inflammatory bowel disease. Frontiers in Pediatrics, 9, 615216. doi: 10.3389/fped.2021.615216

Zhen, J., Stefanolo, J. P., Temprano, M. d. l. P., Tedesco, S., Seiler, C., Caminero, A. F., … Day, A., … Pinto-Sanchez, M. I. (2021). The risk of contracting COVID-19 is not increased in patients with celiac disease. Clinical Gastroenterology & Hepatology, 19, 391-393. doi: 10.1016/j.cgh.2020.10.009

Lopez, R. N., & Day, A. S. (2021). The loneliness of long-term thiopurine monotherapy for patients with inflammatory bowel disease. Digestive Diseases & Sciences, 66, 1390-1391. doi: 10.1007/s10620-020-06512-y

Hall, S. W., & Day, A. S. (2021). Gynæcologic symptoms in patients with non-coeliac wheat sensitivity. Digestive Diseases & Sciences, 66, 1-2. doi: 10.1007/s10620-020-06310-6

Conference Contribution - Published proceedings: Abstract

Borichevsky, G., Swaminathan, A., Edwards, T., Day, A., Hampton, M., Kettle, A., & Gearry, R. (2021). Faecal myeloperoxidase is a biomarker of endoscopically active inflammatory bowel disease. Proceedings of the 16th Congress of the Federation of Asian & Oceanic Biochemists & Molecular Biologists (FAOBMB). (pp. 234). Retrieved from https://www.faobmb2021.org

Pipicella, J. L., Vernon-Roberts, A., Walsh, A., Wierzbicki, A., Day, A. S., Carter, D. W., … Andrews, J. M. (2021). Using a consensus-based method to develop a novel pediatric-specific inflammatory bowel disease eHealth clinical management system. Journal of Gastroenterology & Hepatology, 36(Suppl. 3), (pp. 165-166). [Abstract]

Ho, S. S., Keenan, J., & Day, A. (2021). Chitinase-3-like protein 1 levels in feces but not urine as an emerging biomarker of pediatric inflammatory bowel disease. Journal of Gastroenterology & Hepatology, 36(Suppl. 3), (pp. 164). doi: 10.1111/jgh.15617

Pipicella, J. L., Vernon-Roberts, A., Walsh, A., Wierzbicki, A., Day, A., Carter, D. W., … Gearry, R., … Dutt, S. (2021). Using a consensus-based method to develop a novel paediatric-specific inflammatory bowel disease ehealth clinical management system. Gut, 70(Suppl. 2), (pp. A108-A109). doi: 10.1136/gutjnl-2021-IDDF.127

2020

Journal - Research Article

Ho, S. S. C., Ross, M., Keenan, J. I., & Day, A. S. (2020). Fecal calprotectin in combination with standard blood tests in the diagnosis of inflammatory bowel disease in children. Frontiers in Pediatrics, 8, 609279. doi: 10.3389/fped.2020.609279

Porter, J. A., MacKenzie, K. E., Darlow, B. A., Pearson, J. F., & Day, A. S. (2020). A questionnaire-based assessment of gastrointestinal symptoms in children with type 1 diabetes mellitus. Translational Pediatrics, 9(6), 743-749. doi: 10.21037/tp-20-139

Ho, S. S., Wall, C., Gearry, R. B., Keenan, J., & Day, A. S. (2020). A pilot study evaluating novel urinary biomarkers for Crohn's disease. Inflammatory Intestinal Diseases, 5(4), 212-220. doi: 10.1159/000510682

Vernon-Roberts, A., Gearry, R. B., & Day, A. S. (2020). The level of public knowledge about inflammatory bowel disease in Christchurch, New Zealand. Inflammatory Intestinal Diseases, 5(4), 205-211. doi: 10.1159/000510071

Ho, S. S. C., Keenan, J. I., & Day, A. S. (2020). Role of serological tests in the diagnosis of coeliac disease in children in New Zealand. Journal of Paediatrics & Child Health, 56, 1906-1911. doi: 10.1111/jpc.15076

Vernon-Roberts, A., Gearry, R. B., & Day, A. S. (2020). Assessment of knowledge levels following an education program for parents of children with inflammatory bowel disease. Frontiers in Pediatrics, 8, 475. doi: 10.3389/fped.2020.00475

Wall, C. L., McCombie, A., Mulder, R., Day, A. S., & Gearry, R. B. (2020). Adherence to exclusive enteral nutrition by adults with active Crohn’s disease is associated with conscientiousness personality trait: A sub-study. Journal of Human Nutrition & Dietetics, 33(6), 752-757. doi: 10.1111/jhn.12787

Appleton, L., Watt, E., Jagger, F., Hansen, R., Gearry, R. B., & Day, A. S. (2020). Associations between the presence of granulomata and disease phenotype and outcomes in children diagnosed with Crohn’s disease. Gastrointestinal Disorders, 2(2), 164-170. doi: 10.3390/gidisord2020017

Jafari, S., Otley, A., Vahed, H., Heidari, E., Khakshour, A., Tehranian, S., … Day, A. S., & Sayedi, J. (2020). Validation of the Persian version of IMPACT-III Quality of Life Questionnaire in Iranian children with inflammatory bowel disease. Iranian Journal of Pediatrics, 30(2), e86281. doi: 10.5812/ijp.86281

Lopez, R. N., McCombie, A., Gearry, R. B., & Day, A. S. (2020). Impact of a camp upon disease-specific knowledge and quality of life in children and adolescents with inflammatory bowel disease. Inflammatory Intestinal Diseases, 5, 65-69. doi: 10.1159/000505918

Vernon-Roberts, A., Otley, A., Frampton, C., Gearry, R. B., & Day, A. S. (2020). Validation of a revised knowledge assessment tool for children with inflammatory bowel disease (IBD-KID2). Inflammatory Intestinal Diseases, 5, 70-77. doi: 10.1159/000506200

Martin, N. G., Roberts, A. J., Evans, H. M., Bishop, J., & Day, A. S. (2020). Three-year outcomes of childhood inflammatory bowel disease in New Zealand: A population-based cohort study. JGH Open, 4(4), 642-648. doi: 10.1002/jgh3.12310

Ali, F., Lui, K., Wang, A., Day, A. S., & Leach, S. T. (2020). The perinatal period, the developing intestinal microbiome and inflammatory bowel diseases: What links early life events with later life disease? Journal of the Royal Society of New Zealand, 50(3), 371-383. doi: 10.1080/03036758.2019.1706586

Vernon-Roberts, A., Otley, A., Frampton, C., Gearry, R. B., & Day, A. S. (2020). Response pattern analysis of IBD-KID: A knowledge assessment tool for children with inflammatory bowel disease. Journal of Paediatrics & Child Health, 56(1), 155-162. doi: 10.1111/jpc.14547

Leach, S. T., Day, A. S., Messenger, R., Walters, T. D., Navas-López, V. M., Sladek, M., … on behalf of the ImageKids study group. (2020). Fecal markers of inflammation and disease activity in paediatric Crohn disease: Results from the ImageKids Study. Journal of Pediatric Gastroenterology & Nutrition, 70(5), 580-585. doi: 10.1097/mpg.0000000000002615

Brown, S. C., Whelan, K., Gearry, R. B., & Day, A. S. (2020). Low FODMAP diet in children and adolescents with functional bowel disorder: A clinical case note review. JGH Open, 4, 153-159. doi: 10.1002/jgh3.12231

Journal - Research Other

Cohen, I. S., Day, A., & Shaoul, R. (2020). Should the glu be ten or twenty? An update on the ongoing debate on gluten safety limits for patients with celiac disease. Gastrointestinal Disorders, 2(3), 202-211. doi: 10.3390/gidisord2030021

Couper, R. T. L., & Day, A. S. (2020). Paediatric gastroenterology: The doors of perception. Journal of Paediatrics & Child Health, 56(11), 1667-1668. doi: 10.1111/jpc.15020

Appleton, L., & Day, A. S. (2020). Serum oncostatin M at baseline predicts mucosal healing in Crohn’s disease patients treated with infliximab [Invited]. Alimentary Pharmacology & Therapeutics, 52, 1080-1081. doi: 10.1111/apt.15987

Shaoul, R., & Day, A. S. (2020). Editorial: Celiac Disease. Frontiers in Pediatrics, 8, 328. doi: 10.3389/fped.2020.00328

Hall, S. W., & Day, A. S. (2020). An overview of international guidelines focusing on the long-term management of coeliac disease. Gastrointestinal Disorders, 2(2), 152-163. doi: 10.3390/gidisord2020016

Hall, S. W., Shaoul, R., & Day, A. S. (2020). The contribution of non-food-based exposure to gluten on the management of coeliac disease. Gastrointestinal Disorders, 2(2), 140-143. doi: 10.3390/gidisord2020014

Day, A. S., & Lemberg, D. A. (2020). Identification and diagnosis of Crohn disease and ulcerative colitis in children. Journal of Paediatrics & Child Health, 56(11), 1731-1734. doi: 10.1111/jpc.14925

Day, A. S., Keenan, J. I., & Tannock, G. W. (2020). The intestinal microbiota in health and disease. Journal of the Royal Society of New Zealand, 50(3), 367-370. doi: 10.1080/03036758.2020.1760896

Lopez, R. N., & Day, A. S. (2020). Primary intestinal lymphangiectasia in children: A review. Journal of Paediatrics & Child Health, 56, 1719-1723. doi: 10.1111/jpc.14837

Day, A. S. (2020). Chronic diarrhoea in infants and children: Approaching and managing the problem. Current Treatment Options in Pediatrics, 6(1), 1-11. doi: 10.1007/s40746-020-00187-3

Wang, S., Yu, Y., Ryan, P. M., Dang, M., Clark, C., Kontogiannis, V., … Day, A. S., & Zhang, Y. (2020). Association of aspirin therapy with risk of hepatocellular carcinoma: A systematic review and dose-response analysis of cohort studies with 2.5 million participants. Pharmacological Research, 151, 104585. doi: 10.1016/j.phrs.2019.104585

Rahmani, J., Kord Varkaneh, H., Hekmatdoost, A., Thompson, J., Clark, C., Salehisahlabadi, A., Day, A. S., & Jacobsen, K. (2020). In reply to (Meta-analysis on obesity and risk of inflammatory bowel disease: Re-analysis is needed). Obesity Reviews, 21, e12956. doi: 10.1111/obr.12956

Day, A. S. (2020). Re: Parental education may differentially modulate pediatric inflammatory bowel disease phenotype risk. Inflammatory Bowel Diseases, 26(7), 1077-1078. doi: 10.1093/ibd/izz235

Ho, S. S. C., Keenan, J. I., & Day, A. S. (2020). The role of gastrointestinal-related fatty acid-binding proteins as biomarkers in gastrointestinal diseases. Digestive Diseases & Sciences, 65, 376-390. doi: 10.1007/s10620-019-05841-x

Conference Contribution - Published proceedings: Abstract

Ho, S. S., Keenan, J., & Day, A. (2020). Patient perceptions of current and potential inflammatory bowel disease diagnostic and monitoring tests. Journal of Gastroenterology & Hepatology, 35(Suppl. 1), (pp. 109-110). doi: 10.1111/jgh.15271

Wall, C., McCombie, A., Mulder, R., Day, A., & Gearry, R. (2020). Adherence to enteral nutrition therapy by adults with active Crohn's disease is associated with conscientiousness personality trait. Journal of Crohn's & Colitis, 14(Suppl. 1), (pp. S406-S407). doi: 10.1093/ecco-jcc/jjz203.584

Wall, C., MacFarlane, K., Carr, A., Day, A., & Gearry, R. (2020). Inadequate vitamin C status and association with inflammatory biomarkers in adults with active Crohn's disease. Journal of Crohn's & Colitis, 14(Suppl. 1), (pp. S465-S466). doi: 10.1093/ecco-jcc/jjz203.675

Conference Contribution - Verbal presentation and other Conference outputs

Day, A. (2020, November). Time to go camping? Verbal presentation at the New Zealand Society of Gastroenterology & NZNO Gastroenterology Nurses' College (NZgNC) Gastro One Day Meeting, Auckland, New Zealand.

2019

Chapter in Book - Research

Day, A. S. (2019). Exclusive enteral nutrition in children with Crohn’s disease: A focused nutritional intervention. In R. R. Watson & V. R. Preedy (Eds.), Dietary interventions in gastrointestinal diseases: Foods nutrients, and dietary supplements. (pp. 107-116). London, UK: Academic Press. doi: 10.1016/B978-0-12-814468-8.00009-0

Leach, S. T., & Day, A. S. (2019). Enzyme-linked immunosorbent assay to measure S100A12 in fecal samples of children and adults. In C. W. Heizmann (Ed.), Calcium-binding proteins of the EF-hand superfamily: From basics to medical applications: Methods in molecular biology (Vol. 1929). (pp. 755-761). New York, NY: Humana Press. doi: 10.1007/978-1-4939-9030-6_47

Journal - Research Article

Rahmani, J., Kord Varkaneh, H., Ryan, P. M., Zarezadeh, M., Rashvand, S., Clark, C., Day, A. S., & Hekmatdoost, A. (2019). Healthy Eating Index-2015 as a predictor of ulcerative colitis risk in a case-control cohort. Journal of Digestive Diseases, 20, 649-655. doi: 10.1111/1751-2980.12826

Rahmani, J., Kord-Varkaneh, H., Ryan, P. M., Rashvand, S., Clark, C., Day, A. S., & Hekmatdoost, A. (2019). Dietary total antioxidant capacity and risk of ulcerative colitis: A case-control study. Journal of Digestive Diseases, 20, 636-641. doi: 10.1111/1751-2980.12823

Isoldi, S., Belsha, D., Yeop, I., Uc, A., Zevit, N., Mamula, P., … Day, A. S., … Thomson, M. (2019). Diagnosis and management of children with Blue Rubber Bleb Nevus Syndrome: A multi-center case series. Digestive & Liver Disease, 51, 1537-1546. doi: 10.1016/j.dld.2019.04.020

Rahmani, J., Kord-Varkaneh, H., Hekmatdoost, A., Thompson, J., Clark, C., Salehisahlabadi, A., Day, A. S., & Jacobson, K. (2019). Body mass index and risk of inflammatory bowel disease: A systematic review and dose-response meta-analysis of cohort studies of over a million participants. Obesity Reviews, 20, 1312-1320. doi: 10.1111/obr.12875

Wall, C. L., McCombie, A. M., Gearry, R. B., & Day, A. S. (2019). Newly diagnosed Crohn's disease treated with standard care or enteral nutrition: Psychological outcomes over 6 months. Inflammatory Intestinal Diseases, 4(1), 7-13. doi: 10.1159/000497323

Vernon-Roberts, A., Lopez, R. N., Frampton, C., Gearry, R. B., Lemberg, D. A., & Day, A. S. (2019). A symptom self-report tool for children with inflammatory bowel disease (IBDnow). Journal of Pediatric Gastroenterology & Nutrition, 69(1), e7-e12. doi: 10.1097/MPG.0000000000002329

Karim, S., Porter, J. A., McCombie, A., Gearry, R. B., & Day, A. S. (2019). Transition clinics: An observational study of themes important to young people with inflammatory bowel disease. Translational Pediatrics, 8(1), 83-89. doi: 10.21037/tp.2019.01.04

Martin, N. G., Rigterink, T., Adamji, M., Wall, C. L., & Day, A. S. (2019). Single high-dose oral vitamin D3 treatment in New Zealand children with inflammatory bowel disease. Translational Pediatrics, 8(1), 35-41. doi: 10.21037/tp.2018.11.01

Ho, S. S. C., & Day, A. S. (2019). Exclusive enteral nutrition in children with inflammatory bowel disease: Physician perspectives and practice. JGH Open, 3, 148-153. doi: 10.1002/jgh3.12121

Porter, J. A., MacKenzie, K. E., Darlow, B. A., Butler, R., & Day, A. S. (2019). Gastric emptying in children with type 1 diabetes mellitus: A pilot study. Journal of Paediatrics & Child Health, 55, 416-420. doi: 10.1111/jpc.14215

Journal - Research Other

Appleton, L., & Day, A. S. (2019). Re: A meta-analysis of the clinical use of curcumin for irritable bowel syndrome. Journal of Clinical Medicine, 8(11), 1885. doi: 10.3390/jcm8111885

Cohen, I. S., Day, A. S., & Shaoul, R. (2019). To be oats or not to be? An update on the ongoing debate on oats for patients with celiac disease. Frontiers in Pediatrics, 7, 384. doi: 10.3389/fped.2019.00384

Thurgate, L. E., Lemberg, D. A., Day, A. S., & Leach, S. T. (2019). An overview of inflammatory bowel disease unclassified in children. Inflammatory Intestinal Diseases, 4, 97-103. doi: 10.1159/000501519

Wall, C. L., & Day, A. S. (2019). The reduction of faecal calprotectin during exclusive enteral nutrition is lost rapidly after food reintroduction [Invited]. Alimentary Pharmacology & Therapeutics, 50(7), 824-825. doi: 10.1111/apt.15475

Shaoul, R., & Day, A. S. (2019). Nutritional regulators of intestinal inflammation [Invited]. Current Opinion in Gastroenterology, 35(6), 486-490. doi: 10.1097/mog.0000000000000585

O'Brien, L., Brown, S., Gearry, R. B., & Day, A. S. (2019). Low FODMAP diet-directions for future research. Alimentary Pharmacology & Therapeutics, 49(8), 1107-1108. doi: 10.1111/apt.15175

Day, A. S., Ho, S. S. C., & Leach, S. T. (2019). Letter to the Editor Re: Serum calprotectin in adolescents with inflammatory bowel disease. Journal of Pediatric Gastroenterology & Nutrition, 68(6), e109. doi: 10.1097/mpg.0000000000002345

Khan, A., Boyke Berahmana, A., Day, A. S., Barclay, M. L., & Schultz, M. (2019). New Zealand Society of Gastroenterology guidelines on therapeutic drug monitoring in inflammatory bowel disease. New Zealand Medical Journal, 132(1491), 46-62. Retrieved from https://www.nzma.org.nz/journal

Cohen, I. S., Day, A. S., & Shaoul, R. (2019). Gluten in celiac disease: More or less? Rambam Maimonides Medical Journal, 10(1), e0007. doi: 10.5041/RMMJ.10360

Rigterink, T., Appleton, L., & Day, A. S. (2019). Vitamin D therapy in children with inflammatory bowel disease: A systematic review. World Journal of Clinical Pediatrics, 8(1), 1-14. doi: 10.5409/wjcp.v8.i1.1

Day, A. S. (2019). Inflammatory bowel disease in children. Translational Pediatrics, 8(1), 1-3. doi: 10.21037/tp.2019.01.05

Lemberg, D. A., & Day, A. S. (2019). Predicting response to treatment in children with Crohn's disease [Invited]. Alimentary Pharmacology & Therapeutics, 49(2), 230-231. doi: 10.1111/apt.15069

Adamji, M., & Day, A. S. (2019). An overview of the role of exclusive enteral nutrition for complicated Crohn's disease. Intestinal Research, 17(2), 171-176. doi: 10.5217/ir.2018.00079

Conference Contribution - Published proceedings: Abstract

Bruning, K., Appleton, L., Steele, M., & Day, A. (2019). The impact of inflammatory bowel disease on the psychosocial functioning of children and teenagers in New Zealand. Journal of Pediatric Gastroenterology & Nutrition, 69(Suppl. 1), (pp. 149). doi: 10.1097/MPG.0000000000002485

Martin, N., Roberts, A., Bishop, J., Evans, H., & Day, A. (2019). An audit of adherence to the New Zealand guideline for the assessment and diagnosis of paediatric inflammatory bowel disease at two New Zealand centers. Journal of Pediatric Gastroenterology & Nutrition, 69(Suppl. 1), (pp. 140). doi: 10.1097/MPG.0000000000002485

Vernon-Roberts, A., Frampton, C., Gearry, R., & Day, A. S. (2019). The development and validation of a self-management skills assessment tool for children with inflammatory bowel disease: The IBD-Skills Tasks and Abilities Record (IBD-STAR). Journal of Pediatric Gastroenterology & Nutrition, 69(Suppl. 1), (pp. 137). doi: 10.1097/MPG.0000000000002485

Parkar, S., Blatchford, P., Jobsis, C., Kim, C., Stoklosinski, H., Gopal, P., & Day, A. (2019). Exploring the effects of enteral nutrition and curcumin upon intestinal microbiota using an in vitro model. Journal of Pediatric Gastroenterology & Nutrition, 69(Suppl. 1), (pp. 39). doi: 10.1097/MPG.0000000000002485

Jobsis, C. M. H., Kim, C. C., Stoklosinski, H. M., Cordiner, S. B., Hedderly, D. I., Blatchford, P. A., … Day, A. S., & Parkar, S. G. (2019). Exploring the effects of enteral nutrition on intestinal microbiota using an in vitro model. Proceedings of the New Zealand Microbiological Society (NZMS) Annual Conference. 673. Retrieved from https://www.nzmscoference.org.nz

Philpott, H., Sharma, A., Rosenbaum, J., Singh, H., Rumore, S., Ellison, S., … Porter, J., … Day, A., & Lemberg, D. (2019). Rapid increase in the prevalence of eosinophilic esophagitis among Australasian children: A decade of experience from six capital cities. Journal of Gastroenterology & Hepatology, 34(Suppl. 2), (pp. 203). doi: 10.1111/jgh.14795

Martin, N. G., Roberts, A. J., Evans, H. M., Bishop, J. R., & Day, A. S. (2019). Three year outcomes of a cohort of New Zealand children diagnosed with inflammatory bowel disease. Gastroenterology, 156(6, Suppl. 1), (pp. S-840). doi: 10.1016/S0016-5085(19)39062-6

Ho, S., Ross, M., Keenan, J., & Day, A. (2019). The role of fecal calprotectin in the diagnosis of inflammatory bowel disease in children. Journal of Gastroenterology & Hepatology, 34(Suppl. 2), (pp. 206). doi: 10.1111/jgh.14795

Ho, S., Keenan, J., & Day, A. (2019). The role of combination serological tests in the diagnosis of celiac disease in children. Journal of Gastroenterology & Hepatology, 34(Suppl. 2), (pp. 206). doi: 10.1111/jgh.14795

2018

Chapter in Book - Research

von der Weid, P.-Y., & Day, A. S. (2018). Pediatric lymphatic development and intestinal lymphangiectasia. In M. J. Caplan (Ed.), Reference module in biomedical sciences. Elsevier. doi: 10.1016/B978-0-12-801238-3.66051-8

Journal - Research Article

Moeeni, V., Walls, T., & Day, A. S. (2018). A retrospective comparison between the PNST and other paediatric nutritional screening tools. International Journal of Child Health & Nutrition, 7(3), 97-101. doi: 10.6000/1929-4247.2018.07.03.1

Lawley, M., Wu, J. W., Navas-López, V. M., Huynh, H. Q., Carroll, M. W., Chen, M., … Day, A. S., … Wine, E. (2018). Global variation in use of enteral nutrition for pediatric Crohn disease. Journal of Pediatric Gastroenterology & Nutrition, 67(2), e22-e29. doi: 10.1097/mpg.0000000000001946

Day, A. S., Gulati, A. S., Patel, N., Boyle, B., Park, K. T., & Saeed, S. A. (2018). The role of combination therapy in pediatric inflammatory bowel disease (IBD): A clinical report from the North American Society for Pediatric Gastroenterology, Hepatology and Nutrition. Journal of Pediatric Gastroenterology & Nutrition, 66(2), 361-368. doi: 10.1097/mpg.0000000000001850

Lopez, R. N., Evans, H. M., Appleton, L., Bishop, J., Chin, S., Mouat, S., Gearry, R. B., & Day, A. S. (2018). Prospective incidence of paediatric inflammatory bowel disease in New Zealand in 2015: Results from the Paediatric Inflammatory Bowel Disease in New Zealand (PINZ) Study. Journal of Pediatric Gastroenterology & Nutrition, 66(5), e122-e126. doi: 10.1097/mpg.0000000000001806

Garg, M., Leach, S. T., Pang, T., Needham, B., Coffey, M. J., Katz, T., … Day, A. S., … Ooi, C. Y. (2018). Age-related levels of fecal M2-pyruvate kinase in children with cystic fibrosis and healthy children 0 to 10 years old. Journal of Cystic Fibrosis, 17(1), 109-113. doi: 10.1016/j.jcf.2017.07.011

Lopez, R. N., Appleton, L., Gearry, R. B., & Day, A. S. (2018). Rising incidence of paediatric inflammatory bowel disease in Canterbury, New Zealand, 1996-2015. Journal of Pediatric Gastroenterology & Nutrition, 66(2), e45-e50. doi: 10.1097/mpg.0000000000001688

Journal - Research Other

Day, A. S. (2018). The impact of exclusive enteral nutrition on the intestinal microbiota in inflammatory bowel disease. AIMS Microbiology, 4(4), 584-593. doi: 10.3934/microbiol.2018.4.584

Galgut, B. J., Lemberg, D. A., Day, A. S., & Leach, S. T. (2018). The value of fecal markers in predicting relapse in inflammatory bowel diseases. Frontiers in Pediatrics, 5, 292. doi: 10.3389/fped.2017.00292

Day, A. S. (2018). Re: American Gastroenterological Association Institute Guideline on therapeutic drug monitoring in inflammatory bowel disease. Translational Pediatrics, 7(1), 11-13. doi: 10.21037/tp.2017.12.03

Shaoul, R., Brown, S., & Day, A. S. (2018). Reasoning beyond the potential use of exclusive enteral nutrition and other specified diets in children with ulcerative colitis [Invited]. Journal of Pediatric Gastroenterology & Nutrition, 66(3), 378-382. doi: 10.1097/mpg.0000000000001785

Journal - Professional & Other Non-Research Articles

Garg, M., Leach, S. T., Day, A. S., & Ooi, C. Y. (2018). Fecal calprotectin concentrations in young children with cystic fibrosis: Authors response. Journal of Cystic Fibrosis, 17(1), e10-e11. doi: 10.1016/j.jcf.2017.10.012

Conference Contribution - Published proceedings: Abstract

Griffith, J. C., Withers, A. R., Ticar, V., Wang, C., Day, A., & Morgan, X. (2018). Dynamics of the human gut microbiome in paediatric inflammatory bowel disease. Proceedings of the New Zealand Microbiological Society (NZMS) New Zealand Society for Biochemistry and Molecular Biology (NZSBMB) Joint Annual Conference: Microbes & Molecules. (pp. 91). Retrieved from https://www.nzmsconference.org.nz

Andrews, A., Wang, C., Wall, C., Gearry, R., Day, A., Tannock, G., & Morgan, X. (2018). Modulation of the gut microbiome in adult Crohn's Disease patients during exclusive enteral nutrition. Proceedings of the New Zealand Microbiological Society (NZMS) New Zealand Society for Biochemistry and Molecular Biology (NZSBMB) Joint Annual Conference: Microbes & Molecules. (pp. 50-51). Retrieved from https://www.nzmsconference.org.nz

Vernon-Roberts, A., Otley, A., Frampton, C., Gearry, R., & Day, A. (2018). IBD-KID2: A revised knowledge assessment tool for children with inflammatory bowel disease. Proceedings of the New Zealand Society of Gastroenterology and the NZNO Gastroenterology Nurses' College Annual Scientific Meeting. Retrieved from http://gastro2018.co.nz

Ho, S., & Day, A. (2018). Attitudes of Australian and New Zealand paediatric gastroenterologists towards the use of exclusive enteral nutrition in inflammatory bowel disease. Proceedings of the Paediatric Society of New Zealand 70th Annual Scientific Meeting. (pp. 71). Retrieved from http://www.psnz2018.co.nz

Vernon-Roberts, A., Lopez, R., Frampton, C., Gearry, R. B., Lemberg, D. A., & Day, A. S. (2018). A symptom self-report tool for children with inflammatory bowel disease. Proceedings of the Paediatric Society of New Zealand 70th Annual Scientific Meeting. (pp. 47). Retrieved from http://www.psnz2018.co.nz

Brown, S., Day, A., Gearry, R., & Whelan, K. (2018). Efficacy of the low FODMAP diet in children and adolescents with functional gastrointestinal disorders. Proceedings of the Paediatric Society of New Zealand 70th Annual Scientific Meeting. (pp. 46). Retrieved from http://www.psnz2018.co.nz

2017

Journal - Research Article

Wall, C. L., Gearry, R. B., & Day, A. S. (2017). Treatment of active Crohn's disease with exclusive and partial enteral nutrition: A pilot study in adults. Inflammatory Intestinal Diseases, 2(4), 219-227. doi: 10.1159/000489630

Aggarwal, V., Day, A. S., Connor, S., Leach, S. T., Brown, G., Singh, R., … Craig, P. I. (2017). Role of capsule endoscopy and fecal biomarkers in small-bowel Crohn's disease to assess remission and predict relapse. Gastrointestinal Endoscopy, 86(6), 1070-1078. doi: 10.1016/j.gie.2017.09.011

Flores, S. E., Aitchison, A., Day, A. S., & Keenan, J. I. (2017). Helicobacter pylori infection perturbs iron homeostasis in gastric epithelial cells. PLoS ONE, 12(9), e0184026. doi: 10.1371/journal.pone.0184026

Holtman, G. A., Lisman-van Leeuwen, Y., Day, A. S., Fagerberg, U. L., Henderson, P., Leach, S. T., … Berger, M. Y. (2017). Use of laboratory markers in addition to symptoms for diagnosis of inflammatory bowel disease in children: A meta-analysis of individual patient data. JAMA Pediatrics, 171(10), 984-991. doi: 10.1001/jamapediatrics.2017.1736

Lopez, R. N., Evans, H. M., Appleton, L., Bishop, J., Chin, S., Mouat, S., Gearry, R. B., & Day, A. S. (2017). Point prevalence of pediatric inflammatory bowel disease in New Zealand in 2015: Initial results from the PINZ study. Inflammatory Bowel Diseases, 23(8), 1418-1424. doi: 10.1097/mib.0000000000001138

Duvoisin, G., Lopez, R. N., Day, A. S., Lemberg, D. A., Gearry, R. B., & Leach, S. T. (2017). Novel biomarkers and the future potential of biomarkers in inflammatory bowel disease. Mediators of Inflammation, 2017, 1936315. doi: 10.1155/2017/1936315

Day, A. S., Mylvaganam, G., Shalloo, N., Clarkson, C., Leach, S. T., & Lemberg, D. A. (2017). Assessment of disease-specific knowledge in Australian children with inflammatory bowel disease and their parents. Journal of Paediatrics & Child Health, 53(8), 778-781. doi: 10.1111/jpc.13544

Garg, M., Leach, S. T., Coffey, M. J., Katz, T., Strachan, R., Pang, T., … Day, A. S., Appleton, L., Moeeni, V., … Ooi, C. Y. (2017). Age-dependent variation of fecal calprotectin in cystic fibrosis and healthy children. Journal of Cystic Fibrosis, 16(5), 631-636. doi: 10.1016/j.jcf.2017.03.010

Budd, G. R., Aitchison, A., Day, A. S., & Keenan, J. I. (2017). The effect of polymeric formula on enterocyte differentiation. Innate Immunity, 23(3), 240-248. doi: 10.1177/1753425916689333

Chae, A., Aitchison, A., Day, A. S., & Keenan, J. I. (2017). Bovine colostrum demonstrates anti-inflammatory and antibacterial activity in in vitro models of intestinal inflammation and infection. Journal of Functional Foods, 28, 293-298. doi: 10.1016/j.jff.2016.11.016

Bowden, M. R., Ee, L. C., Krishnan, U., O'Loughlin, E. V., Hardikar, W., Carmody, D., … Day, A. S., … Hazell, P. (2017). Family impact and infant emotional outcomes following diagnosis of serious liver disease or transplantation in infancy. Journal of Pediatric Gastroenterology & Nutrition, 64(4), 528-532. doi: 10.1097/mpg.0000000000001404

Nightingale, S., Storman, M. O., O'Loughlin, E. V., Shun, A., Thomas, G., Benchimol, E. I., Day, A. S., … Ng, V. L. (2017). Early posthepatoportoenterostomy predictors of native liver survival in biliary atresia. Journal of Pediatric Gastroenterology & Nutrition, 64(2), 203-209. doi: 10.1097/mpg.0000000000001289

Alhagamhmad, M. H., Day, A. S., Lemberg, D. A., & Leach, S. T. (2017). Exploring and enhancing the anti-inflammatory properties of polymeric formula. Journal of Parenteral & Enteral Nutrition, 41(3), 436-445. doi: 10.1177/0148607115625627

Alhagamhmad, M. H., Lemberg, D. A., Day, A. S., Tan, L.-Z., Ooi, C. Y., Krishnan, U., … Leach, S. T. (2017). Advancing nutritional therapy: A novel polymeric formulation attenuates intestinal inflammation in a murine colitis model and suppresses pro-inflammatory cytokine production in ex-vivo cultured inflamed colonic biopsies. Clinical Nutrition, 36(2), 497-505. doi: 10.1016/j.clnu.2016.01.010

Journal - Research Other

Nazari, A., Khorramdelazad, H., Hassanshahi, G., Day, A. S., Mashayekhi Sardoo, A., Tahmooresi Fard, E., … Esmaeili Nadimi, A. (2017). S100A12 in renal and cardiovascular diseases. Life Sciences, 191, 253-258. doi: 10.1016/j.lfs.2017.10.036

Wall, C. L., Gearry, R. B., & Day, A. S. (2017). New Zealand gastroenterologists’ perceptions, knowledge and experience of exclusive enteral nutrition to treat Crohn’s disease. New Zealand Medical Journal, 130(1464), 77-79. Retrieved from http://www.nzma.org.nz/journal

Day, A. S., & Brown, S. C. (2017). The adjunctive role of nutritional therapy in the management of phlegmon in two children with Crohn's disease. Frontiers in Pediatrics, 5, 199. doi: 10.3389/fped.2017.00199

Splawski, J. B., Pffefferkorn, M. D., Schaefer, M. E., Day, A. S., Soldes, O. S., Ponsky, T. A., … Saeed, S. A. (2017). NASPGHAN clinical report on postoperative recurrence in pediatric Crohn disease. Journal of Pediatric Gastroenterology & Nutrition, 65(4), 475-486. doi: 10.1097/MPG.0000000000001606

Day, A. S., Leach, S. T., & Lemberg, D. A. (2017). An update on diagnostic and prognostic biomarkers in inflammatory bowel disease. Expert Review of Molecular Diagnostics, 17(9), 835-843. doi: 10.1080/14737159.2017.1364160

Day, A. S., & Adamji, M. (2017). Commentary: Impact of fecal calprotectin measurement on decision-making in children with inflammatory bowel disease. Frontiers in Pediatrics, 5, 133. doi: 10.3389/fped.2017.00133

McCombie, A., Gearry, R. B., Lopez, R. N., Lönnfors, S., & Day, A. S. (2017). Enhancements in confidence, acceptance, and friendship at a summer camp for children with inflammatory bowel disease [Short communication]. Journal of Pediatric Gastroenterology & Nutrition, 65(3), 311-313. doi: 10.1097/mpg.0000000000001526

Lopez, R. N., Leach, S. T., Lemberg, D. A., Duvoisin, G., Gearry, R. B., & Day, A. S. (2017). Fecal biomarkers in inflammatory bowel disease. Journal of Gastroenterology & Hepatology, 32(3), 577-582. doi: 10.1111/jgh.13611

Conference Contribution - Published proceedings: Abstract

Garg, M., Leach, S. T., Needham, B., Coffey, M. J., Katz, T. E., Strachan, R., … Day, A. S., … Ooi, C. Y. (2017). Age-related levels of stool M2-pyruvate kinase in children with cystic fibrosis and healthy controls. Pediatric Pulmonology, 52(Suppl.), (pp. S454-S455). doi: 10.1002/ppul.23840

Garg, M., Leach, S. T., Coffey, M. J., Katz, T., Strachan, R., Needham, B., … Day, A. S., Appleton, L., Moeeni, V., … Ooi, C. Y. (2017). Age-dependent values of fecal calprotectin in cystic fibrosis and healthy controls. Gastroenterology, 152(5, Suppl. 1), (pp. S645). doi: 10.1016/S0016-5085(17)32281-3

Wall, C., Gearry, R., & Day, A. (2017). Enteral nutrition in the treatment of young adults with active Crohn's disease. Journal of Crohn's & Colitis, 11(Suppl. 1), P635, (pp. S404-S405). doi: 10.1093/ecco-jcc/jjx002.759

Conference Contribution - Poster Presentation (not in published proceedings)

Vernon-Roberts, A., Otley, A., & Day, A. (2017, November). Item response analysis of a paediatric IDB knowledge assessment tool (IDB-KID). Poster session presented at the Paediatric Society of New Zealand 69th Annual Scientific Meeting, Christchurch, New Zealand.

Lawley, B., Wall, C., Day, A. S., Gearry, R. B., Young, W., & Tannock, G. W. (2017, September). Urinary metabolome analysis of Crohn’s disease (CD) patients and healthy controls (HC) undertaking short-term exclusive enteral nutrition (EEN). Poster session presented at the Queenstown Molecular Biology (QMB) Meetings, Queenstown, New Zealand.

2016

Journal - Research Article

Day, A. S., Hamilton, D., Leach, S. T., & Lemberg, D. A. (2016). Inflammatory markers in children with newly diagnosed inflammatory bowel disease. Journal of Gastroenterology & Hepatology Research, 5(4), 2132-2135. doi: 10.17554/j.issn.2224-3992.2016.05.647

Su, H. Y., Gupta, V., Day, A. S., & Gearry, R. B. (2016). Rising incidence of inflammatory bowel disease in Canterbury, New Zealand. Inflammatory Bowel Diseases, 22(9), 2238-2244. doi: 10.1097/mib.0000000000000829

Kaakoush, N. O., Thomas, D. S., Ruzayqat, M. M., Lynch, D., Leach, S. T., Lemberg, D. A., Day, A. S., & Mitchell, H. M. (2016). Campylobacter concisus utilizes blood but not short chain fatty acids despite showing associations with Firmicutes taxa. Microbiology, 162(8), 1388-1397. doi: 10.1099/mic.0.000328

Nielsen, S., Needham, B., Leach, S. T., Day, A. S., Jaffe, A., Thomas, T., & Ooi, C. Y. (2016). Disrupted progression of the intestinal microbiota with age in children with cystic fibrosis. Scientific Reports, 6, 24857. doi: 10.1038/srep24857

De Voogd, F. A. E., Gearry, R. B., Mulder, C. J., & Day, A. S. (2016). Osteoprotegerin: A novel biomarker for inflammatory bowel disease and gastrointestinal carcinoma. Journal of Gastroenterology & Hepatology, 31, 1386-1392. doi: 10.1111/jgh.13324

Andre, M., & Day, A. S. (2016). Causes of prolonged jaundice in infancy: 3-year experience in a tertiary paediatric centre. New Zealand Medical Journal, 129(1429), 14-21. Retrieved from https://www.nzma.org.nz/journal

Wright, E. K., Kamm, M. A., De Cruz, P., Hamilton, A. L., Ritchie, K. J., Keenan, J. I., … Burgess, L., Aitchison, A., … Day, A. S., & Gearry, R. B. (2016). Comparison of fecal inflammatory markers in Crohn's disease. Inflammatory Bowel Diseases, 22(5), 1086-1094. doi: 10.1097/mib.0000000000000671

Journal - Research Other

Alhagamhmad, M. H., Day, A. S., Lemberg, D. A., & Leach, S. T. (2016). An overview of the bacterial contribution to Crohn disease pathogenesis. Journal of Medical Microbiology, 65, 1049-1059. doi: 10.1099/jmm.0.000331

Kaakoush, N. O., Day, A. S., Leach, S. T., Lemberg, D. A., & Mitchell, H. M. (2016). Reduction in gut microbial diversity as a mechanism of action of exclusive enteral nutrition. American Journal of Gastroenterology, 111(7), 1033. doi: 10.1038/ajg.2016.61

Conference Contribution - Published proceedings: Abstract

De Voogd, F., Burgess, L., Gearry, R., & Day, A. S. (2016). Faecal osteoprotegerin correlates with disease activity and predicts disease relapse in paediatric inflammatory bowel disease. Journal of Crohn's & Colitis, 10(Suppl. 1), (pp. S175). doi: 10.1093/ecco-jcc/jjw019.289

Wall, C. L., Gearry, R. B., & Day, A. S. (2016). Enteral nutrition in the treatment of active Crohn's disease. Proceedings of the Dietitians New Zealand National Meeting: Nourishing Our Knowledge. (pp. 27-28). Retrieved from http://dietitians.org.nz/

Conference Contribution - Poster Presentation (not in published proceedings)

Wall, C. L., Gearry, R. B., & Day, A. S. (2016, November). Exclusive enteral nutrition in the treatment of Crohn's disease: New Zealand gastroenterologists' perspectives. Poster session presented at the New Zealand Society of Gastroenterology & New Zealand Nurses Organisation (NZNO) Gastroenterology Nurses Section Annual Scientific Meeting, Hamilton, New Zealand.

Conference Contribution - Verbal presentation and other Conference outputs

Wall, C. L., Gearry, R. B., & Day, A. S. (2016, November). Enteral nutrition in the treatment of active Crohn's disease. Verbal presentation at the New Zealand Society of Gastroenterology & New Zealand Nurses Organisation (NZNO) Gastroenterology Nurses Section Annual Scientific Meeting, Hamilton, New Zealand.

Wall, C. L., Gearry, R. B., & Day, A. S. (2016, November). Faecal biomarkers of active Crohn's disease. Verbal presentation at the New Zealand Society of Gastroenterology & New Zealand Nurses Organisation (NZNO) Gastroenterology Nurses Section Annual Scientific Meeting, Hamilton, New Zealand.

Day, A., Gibson, K., Shillito, P., Leighton, F., Beasley, S., Souter, M., … Bedggood, A. (2016, August). Paediatric forum. Workshop presentation at the South General Practice Conference & Medical Exhibition (GP CME), Christchurch, New Zealand.

2015

Journal - Research Article

Moeeni, V., Shojaee, P., Kianifar, H., Walls, T., Pattemore, P., & Day, A. S. (2015). The prospective assessment of nutrition in children with cystic fibrosis. International Journal of Child Health & Nutrition, 4(3), 129-134.

Alhagamhmad, M. H., Leach, S. T., Lemberg, D. A., & Day, A. S. (2015). Changing patterns in the epidemiology of Crohn disease. Journal of Gastroenterology & Hepatology Research, 4(11), 1805-1809. doi: 10.17554/j.issn.2224-3992.2015.04.550

Leach, S. T., Lui, K., Naing, Z., Dowd, S. E., Mitchell, H. M., & Day, A. S. (2015). Multiple opportunistic pathogens, but not pre-existing inflammation, may be associated with necrotizing enterocolitis. Digestive Diseases & Sciences, 60(12), 3728-3734. doi: 10.1007/s10620-015-3830-6

Kho, A., Whitehead, M., & Day, A. S. (2015). Coeliac disease in children in Christchurch, New Zealand: Presentation and patterns from 2000-2010. World Journal of Clinical Pediatrics, 4(4), 148-154. doi: 10.5409/wjcp.v4.i4.148

Boon, G. J. A. M., Day, A. S., Mulder, C. J., & Gearry, R. B. (2015). Are faecal markers good indicators of mucosal healing in inflammatory bowel disease? World Journal of Gastroenterology, 21(40), 11469-11480. doi: 10.3748/wjg.v21.i40.11469

Ooi, C. Y., Pang, T., Leach, S. T., Katz, T., Day, A. S., & Jaffe, A. (2015). Fecal human β-defensin 2 in children with cystic fibrosis: Is there a diminished intestinal innate immune response? Digestive Diseases & Sciences, 60(10), 2946-2952. doi: 10.1007/s10620-015-3842-2

Shepherd, D., Day, A. S., Leach, S. T., Lopez, R., Messenger, R., Woodhead, H. J., … Lemberg, D. A. (2015). Single high-dose oral vitamin D3 therapy (Stoss): A solution to vitamin D deficiency in children with inflammatory bowel disease? Journal of Pediatric Gastroenterology & Nutrition, 61(4), 411-414. doi: 10.1097/mpg.0000000000000823

Pang, T., Leach, S. T., Katz, T., Jaffe, A., Day, A. S., & Ooi, C. Y. (2015). Elevated fecal M2-pyruvate kinase in children with cystic fibrosis: A clue to the increased risk of intestinal malignancy in adulthood? Journal of Gastroenterology & Hepatology, 30(5), 866-871. doi: 10.1111/jgh.12842

Ledder, O., Lemberg, D. A., & Day, A. S. (2015). Thiopurine-induced pancreatitis in inflammatory bowel diseases. Expert Review of Gastroenterology & Hepatology, 9(4), 399-403. doi: 10.1586/17474124.2015.992879

Falvey, J. D., Hoskin, T., Meijer, B., Ashcroft, A., Walmsley, R., Day, A. S., & Gearry, R. B. (2015). Disease activity assessment in IBD: Clinical indices and biomarkers fail to predict endoscopic remission. Inflammatory Bowel Diseases, 21, 824-831. doi: 10.1097/mib.0000000000000341

Bowden, M. R., Storman, M., Hardikar, W., Ee, L. C., Krishnan, U., Carmody, D., … Day, A. S., … Hazell, P. (2015). Family adjustment and parenting stress when an infant has serious liver disease: The Australian experience. Journal of Pediatric Gastroenterology & Nutrition, 60, 717-722. doi: 10.1097/mpg.0000000000000742

Wright, E. K., Kamm, M. A., De Cruz, P., Hamilton, A. L., Ritchie, K. J., Krejany, E. O., … Day, A. S., … Gearry, R. B. (2015). Measurement of fecal calprotectin improves monitoring and detection of recurrence of Crohn's disease following surgery. Gastroenterology, 148, 938-947. doi: 10.1053/j.gastro.2015.01.026

Kaakoush, N. O., Day, A. S., Leach, S. T., Lemberg, D. A., Nielsen, S., & Mitchell, H. M. (2015). Effect of exclusive enteral nutrition on the microbiota of children with newly diagnosed Crohn's disease. Clinical & Translational Gastroenterology, 6, e71. doi: 10.1038/ctg.2014.21

Kaakoush, N. O., Castaño-Rodríguez, N., Day, A. S., Lemberg, D. A., Leach, S. T., & Mitchell, H. M. (2015). Faecal levels of zonula occludens toxin in paediatric patients with Crohn's disease and their association with the intestinal microbiota. Journal of Medical Microbiology, 64(3), 303-306. doi: 10.1099/jmm.0.000005

Dhaliwal, J., Leach, S., Katz, T., Nahidi, L., Pang, T., Lee, J. M., … Day, A. S., … Ooi, C. Y. (2015). Intestinal inflammation and impact on growth in children with cystic fibrosis. Journal of Pediatric Gastroenterology & Nutrition, 60(4), 521-526. doi: 10.1097/mpg.0000000000000683

Flores, S. E., Day, A. S., & Keenan, J. I. (2015). Measurement of total iron in Helicobacter pylori-infected gastric epithelial cells. Biometals, 28, 143-150. doi: 10.1007/s10534-014-9810-z

Lemberg, D. A., & Day, A. S. (2015). Crohn disease and ulcerative colitis in children: An update for 2014. Journal of Paediatrics & Child Health, 51, 266-270. doi: 10.1111/jpc.12685

Journal - Research Other

Lopez, R. N., & Day, A. S. (2015). Feeding the infant at high-risk of celiac disease: An update. Frontiers in Pediatrics, 3, 47. doi: 10.3389/fped.2015.00047

Day, A. S., & Lopez, R. N. (2015). Exclusive enteral nutrition in children with Crohn's disease. World Journal of Gastroenterology, 21(22), 6809-6816. doi: 10.3748/wjg.v21.i22.6809

Tye-Din, J. A., Cameron, D. J. S., Daveson, A. J., Day, A. S., Dellsperger, P., Hogan, C., … Steele, R. H., … Varney, M. D. (2015). Appropriate clinical use of human leukocyte antigen typing for coeliac disease: An Australasian perspective [Position paper]. Internal Medicine Journal, 45(4), 441-450. doi: 10.1111/imj.12716

Journal - Professional & Other Non-Research Articles

Eliadou, E., Day, A. S., Thompson-Fawcett, M., Gearry, R. B., Rowbotham, D. S., Walmsley, R., Schultz, M., Inns, S. J., on behalf of IBDNZ. (2015). New Zealand Society of Gastroenterology Guidelines for the Management of Refractory Ulcerative Colitis. New Zealand Medical Journal, 128(1423), 63-76. Retrieved from http://www.nzma.org.nz/journal

Conference Contribution - Published proceedings: Abstract

Day, A. S., Peters van Ton, A. M., Burgess, L., & Gearry, R. B. (2015). The role of faecal S100A12 in monitoring disease activity and predicting relapses in paediatric inflammatory bowel disease. Gastroenterology, 148(4,), Suppl. 1, (pp. S250). doi: 10.1016/S0016-5085(15)30824-6

Conference Contribution - Verbal presentation and other Conference outputs

Day, A. (2015, November). World wide epidemiology in coeliac disease. Verbal presentation at the New Zealand Society of Gastroenterology & NZNO Gastroenterology Section Annual Scientific Meeting, Rotorua, New Zealand.

Day, A., Evans, H., Lewindon, P., & Taylor, B. (2015, August). Paediatric gastroenterology and nutrition. Panel discussion at the George Abbott Symposium, Christchurch, New Zealand.

Day, A. (2015, August). Coeliac disease. Verbal presentation at the George Abbott Symposium, Christchurch, New Zealand.

Day, A. (2015, August). Inflammatory bowel disease. Verbal presentation at the George Abbott Symposium, Christchurch, New Zealand.

2014

Journal - Research Article

Kenrick, K., & Day, A. S. (2014). Coeliac disease: Where are we in 2014? Australian Family Physician, 43(10), 674-678.

Wall, C. L., Gearry, R. B., & Day, A. S. (2014). Polymeric formula is more palatable than elemental formula to adults with Crohn’s disease. e-SPEN Journal, 9(6), e200-e203. doi: 10.1016/j.clnme.2014.08.003

Moeeni, V., Walls, T., & Day, A. S. (2014). The STRONGkids nutritional risk screening tool can be used by paediatric nurses to identify hospitalised children at risk. Acta Paediatrica, 103, e528-e531. doi: 10.1111/apa.12768

Porter, J. A., MacKenzie, K., Darlow, B., & Day, A. S. (2014). Looking for coeliac disease in children with type 1 diabetes mellitus. Journal of Paediatrics & Child Health, 50(10), 811-816. doi: 10.1111/jpc.12643

Naidoo, C. M. Y., Leach, S. T., Day, A. S., & Lemberg, D. A. (2014). Inflammatory bowel disease in children of Middle Eastern descent. International Journal of Pediatrics, 2014, 906128. doi: 10.1155/2014/906128

Nahidi, L., Day, A. S., Lemberg, D. A., & Leach, S. T. (2014). Paediatric inflammatory bowel disease: A mechanistic approach to investigate exclusive enteral nutrition treatment. Scientifica, 2014, 423817. doi: 10.1155/2014/423817

Raheem, M., Leach, S. T., Day, A. S., & Lemberg, D. A. (2014). The pathophysiology of eosinophilic esophagitis. Frontiers in Pediatrics, 2, 41. doi: 10.3389/fped.2014.00041

Huang, Y., Lemberg, D. A., Day, A. S., Dixon, B., Leach, S., Bujanover, Y., … Thomas, P. S. (2014). Markers of inflammation in the breath in paediatric inflammatory bowel disease. Journal of Pediatric Gastroenterology & Nutrition, 59(4), 505-510. doi: 10.1097/mpg.0000000000000450

Day, A. S., Lemberg, D. A., Nichol, A., Clarkson, C., & Otley, A. R. (2014). Generalisability of the inflammatory bowel disease knowledge inventory device to assess disease-related knowledge in Australian children. Journal of Paediatrics & Child Health, 50(8), 591-595. doi: 10.1111/jpc.12612

Wright, E. K., Williams, J., Andrews, J. M., Day, A. S., Gearry, R. B., Bampton, P., … De Cruz, P. (2014). Perspectives of paediatric and adult gastroenterologists on transfer and transition care of adolescents with inflammatory bowel disease. Internal Medicine Journal, 44(5), 490-496. doi: 10.1111/imj.12402

Day, A. S., Lemberg, D. A., & Gearry, R. B. (2014). Inflammatory bowel disease in Australasian children and adolescents. Gastroenterology Research & Practice, 2014, 703890. doi: 10.1155/2014/703890

Pang, T., Leach, S. T., Katz, T., Day, A. S., & Ooi, C. Y. (2014). Fecal biomarkers of intestinal health and disease in children. Frontiers in Pediatrics, 2, 6. doi: 10.3389/fped.2014.00006

Bishop, J., Lemberg, D. A., & Day, A. S. (2014). Managing inflammatory bowel disease in adolescent patients. Adolescent Health, Medicine & Therapeutics, 5. doi: 10.2147/AHMT.S37956

Kaakoush, N. O., Castaño-Rodríguez, N., Day, A. S., Lemberg, D. A., Leach, S. T., & Mitchell, H. M. (2014). Campylobacter concisus and exotoxin 9 levels in paediatric patients with Crohn's disease and their association with the intestinal microbiota. Journal of Medical Microbiology, 63(Part 1), 99-105. doi: 10.1099/jmm.0.067231-0

Keenan, J. I., Hooper, E. M., Tyrer, P. C., & Day, A. S. (2014). Influences of enteral nutrition upon CEACAM6 expression by intestinal epithelial cells. Innate Immunity, 20(8), 848-856. doi: 10.1177/1753425913513309

Meijer, B., Hoskin, T., Ashcroft, A., Burgess, L., Keenan, J. I., Falvey, J., Gearry, R. B., & Day, A. S. (2014). Total soluble and endogenous secretory receptor for advanced glycation endproducts (RAGE) in IBD. Journal of Crohn's & Colitis, 8(6), 513-520. doi: 10.1016/j.crohns.2013.11.004

Haaland, D., Day, A. S., & Otley, A. (2014). Development and validation of a pediatric IBD Knowledge Inventory Device: The IBD-KID. Journal of Pediatric Gastroenterology & Nutrition, 58(3), 313-319. doi: 10.1097/mpg.0000000000000210

Journal - Research Other

Lawrenson, J. A., Walls, T., & Day, A. S. (2014). Echinacea-induced acute liver failure in a child. Journal of Paediatrics & Child Health, 50(10), 841. doi: 10.1111/jpc.12726

Pinnock, R., Monagle, P., Couper, J., Wright, I., Asher, I., Jones, P., … on behalf of the Paediatric Professorial Heads Committee of Australia and New Zealand, including Day, A., Elder, D., & Taylor, B. (2014). Dedicated paediatric teaching remains critical to the undergraduate medical curriculum. Journal of Paediatrics & Child Health, 50(12), 949-951. doi: 10.1111/jpc.12775

Leach, S. T., Day, A. S., Moore, D., & Lemberg, D. A. (2014). Low rate of inflammatory bowel disease in the Australian indigenous paediatric population. Journal of Paediatrics & Child Health, 50(4), 328-329. doi: 10.1111/jpc.12535

Keenan, J. I., Leaman, J. D., Greenlees, R., & Day, A. S. (2014). Is Campylobacter consisus an unrecognised cause of diarrhoea in New Zealand? New Zealand Medical Journal, 127(1391). Retrieved from http://www.nzma.org.nz/journal

Day, A. S., Moeeni, V., & Walls, T. (2014). Malnutrition screening tools need to be applied properly before they can be compared: Response to Letter to Editors by Gerasimidis et al. Acta Paediatrica, 103(3), e94-e95. doi: 10.1111/apa.12522

Journal - Professional & Other Non-Research Articles

Guariso, G., Gasparetto, M., Day, A. S., & Henderson, P. (2014). Epidemiology and natural history of IBD in the paediatric age. Gastroenterology Research & Practice, 2014, 432807. doi: 10.1155/2014/432807

Moeeni, V., Walls, T., & Day, A. S. (2014). Re: Nutritional risk screening and its clinical significance in hospitalized children. Clinical Nutrition, 33(2), 368. doi: 10.1016/j.clnu.2013.11.015

Conference Contribution - Published proceedings: Abstract

Aggarwal, V., Day, A. S., Connor, S. J., Leach, S. T., Brown, G. J., Friedman, A., … Craig, P. I. (2014). Prospective, multicenter capsule endoscopy study of small bowel Crohn's disease patients in clinical remission: Long-term follow-up and correlation with faecal lactoferrin and calprotectin levels. Gastroenterology, 146(5, Suppl. 1), (pp. S-225-S-226). doi: 10.1016/S0016-5085(14)60798-8

Pang, T., Leach, S. T., Day, A. S., Jaffe, A., & Ooi, C. Y. (2014). Faecal M2-pyruvate kinase in children with cystic fibrosis: Does increased cell turnover from childhood explain the increased risk of gastrointestinal malignancy in adulthood? Gastroenterology, 146(5, Suppl. 1), (pp. S-792). doi: 10.1016/S0016-5085(14)62860-2

Day, A., & Burgess, L. (2014). Disease-related knowledge in New Zealand Children with inflammatory bowel disease (IBD) and their parents. Proceedings of the Paediatric Society of New Zealand 66th Annual Scientific Meeting. (pp. 89). Retrieved from http://fp2.brandish.co.nz/psnz2014/

Nolan, A., Roberts, R. L., Wallace, M. C., Pearson, J., van Rij, A., Jones, G. T., Jackson, P. M., Schultz, M. P., Day, A. S., & Gearry, R. B. (2014). Genetic association of oral Crohn disease with intestinal Crohn disease. Oral Surgery, Oral Medicine, Oral Pathology & Oral Radiology, 117(5), (pp. e347). doi: 10.1016/j.oooo.2014.01.072

Shepherd, D., Day, A., Leach, S., Lopez, R., Messenger, R., Woodhead, H., & Lemberg, D. (2014). High dose vitamin D therapy in children with IBD is effective and safe. Proceedings of the Paediatric Society of New Zealand 66th Annual Scientific Meeting. (pp. 65). Retrieved from http://fp2.brandish.co.nz/psnz2014/

Miller, W., & Day, A. S. (2014). Is biopsy still necessary for all? A retrospective review of paediatric coeliac disease diagnosis in Christchurch. Proceedings of the Paediatric Society of New Zealand 66th Annual Scientific Meeting. (pp. 49). Retrieved from http://fp2.brandish.co.nz/psnz2014/

Moeeni, V., Shojaee, P., Kianifar, H., Walls, T., Pattemore, P., & Day, A. (2014). Evaluation of a nutritional risk screening tool in children with cystic fibrosis disease. Nutrients, 6(11), (pp. 4740). doi: 10.3390/nu6114731

Nahidi, L., Wei, J., Day, A. S., Lemberg, D. A., & Leach, S. T. (2014). The major pathway by which polymeric formula reduces intestinal inflammation in Crohn’s disease patients a microarray-based analysis. Journal of Crohn's & Colitis, 8(Suppl. 2), (pp. S423). doi: 10.1016/S1873-9946(14)50101-8

Mcmullen, L., Mann, S. M., Kaakoush, N. O., Leach, S. T., Day, A. S., Mitchell, H. M., & Lemberg, D. A. (2014). Impact of Campylobacter concisus on paediatric inflammatory bowel disease. Journal of Crohn's & Colitis, 8(Suppl. 2), (pp. S398-S399). doi: 10.1016/S1873-9946(14)50021-9

Kaakoush, N. O., Day, A. S., Leach, S. T., Lemberg, D. A., Nielsen, S., & Mitchell, H. M. (2014). The effect of exclusive enteral nutrition on the microbiota of newly diagnosed pediatric Crohn’s disease patients. Journal of Crohn's & Colitis, 8(Suppl. 2), (pp. S395-S396). doi: 10.1016/S1873-9946(14)50010-4

Day, A. S., & Burgess, L. (2014). Disease-related knowledge in New Zealand children with inflammatory bowel disease (IBD) and their parents. Journal of Crohn's & Colitis, 8(Suppl. 2), (pp. S416-S417). doi: 10.1016/S1873-9946(14)50085-2

Chan, J., Foster, R., Lemberg, D. A., Leach, S. T., & Day, A. S. (2014). Tacrolimus use in paediatric inflammatory bowel disease. Journal of Crohn's & Colitis, 8(Suppl. 2), (pp. S436). doi: 10.1016/S1873-9946(14)50147-X

Wright, E. K., De Cruz, P., Kamm, M. A., Hamilton, A. L., Ritchie, K. J., Krejany, S., … Day, A. S., Gearry, R. B., … Desmond, P. V. (2014). Intestinal resection in Crohn's disease is associated with significant and durable improvement in health related quality of life although to a lesser extent in women and smokers: Results from the POCER Study. Gastroenterology, 146(5, Suppl. 1), (pp. S-435). doi: 10.1016/S0016-5085(14)61564-X

Wright, E. K., De Cruz, P., Kamm, M. A., Hamilton, A. L., Ritchie, K. J., Krejany, S., … Keenan, J. I., … Day, A. S., Gearry, R. B., & Desmond, P. V. (2014). Faecal calprotectin is superior to faecal lactoferrin and S100A12 as a surrogate marker for post-operative Crohn's disease endoscopic recurrence: Prospective longitudinal endoscopic validation: Results from the POCER Study. Gastroenterology, 146(5, Suppl. 1), (pp. S-174). doi: 10.1016/S0016-5085(14)60617-X

Conference Contribution - Poster Presentation (not in published proceedings)

Wall, C. L., Gearry, R. B., & Day, A. S. (2014, November). Exclusive enteral nutrition is a treatment option for selected adults with active Crohn's disease. Poster session presented at the New Zealand Society of Gastroenterology & New Zealand Nurses Organisation Gastroenterology Section Annual Scientific Meeting, Auckland, New Zealand.

Chan, J., Foster, R., Leach, S. T., Day, A. S., & Lemberg, D. A. (2014, November). Use of tacrolimus in paediatric inflammatory bowel disease. Poster session presented at the New Zealand Society of Gastroenterology & New Zealand Nurses Organisation Gastroenterology Section Annual Scientific Meeting, Auckland, New Zealand.

Mcmullen, L., Mann, S. M., Kaakoush, N. O., Leach, S. T., Mitchell, H. M., Lemberg, D. A., & Day, A. S. (2014, November). Impact of Campylobacter concisus status in children with inflammatory bowel disease. Poster session presented at the New Zealand Society of Gastroenterology & New Zealand Nurses Organisation Gastroenterology Section Annual Scientific Meeting, Auckland, New Zealand.

Peters van Ton, A. M., Burgess, L., Gearry, R. B., & Day, A. S. (2014, November). The role of faecal S100A12 in monitoring disease activity and predicting relapses in paediatric inflammatory bowel disease. Poster session presented at the New Zealand Society of Gastroenterology & New Zealand Nurses Organisation Gastroenterology Section Annual Scientific Meeting, Auckland, New Zealand.

Kenrick, K., Schultz, M., Day, A., & Jaye, C. (2014, November). Coeliac disease conundrums: A survey of NZ gastroenterologists. Poster session presented at the New Zealand Society of Gastroenterology & New Zealand Nurses Organisation Gastroenterology Section Annual Scientific Meeting, Auckland, New Zealand.

Conference Contribution - Verbal presentation and other Conference outputs

Shepherd, D., Day, A. S., Leach, S. T., Lopez, R., Messenger, R., Whitehead, H. J., & Lemberg, D. A. (2014, November). High dose vitamin D therapy in children with IBD is effective and safe. Verbal presentation at the New Zealand Society of Gastroenterology & New Zealand Nurses Organisation Gastroenterology Section Annual Scientific Meeting, Auckland, New Zealand.

Wall, C. L., Tannock, G. W., Lawley, B., Otal, A., Gearry, R. B., & Day, A. S. (2014, November). Exclusive enteral nutrition and reintroduction of solid food affect faecal microbiota composition: Results of a pilot study. Verbal presentation at the New Zealand Society of Gastroenterology & New Zealand Nurses Organisation Gastroenterology Section Annual Scientific Meeting, Auckland, New Zealand.

2013

Chapter in Book - Research

Day, A. S., & Robinson, S. J. (2013). Complementary and alternative medicine use in children with inflammatory bowel disease. In K. R. Carter & G. E. Murphy (Eds.), Alternative medicine: Practices, health benefits and controversies. (pp. 107-116). Nova Science.

Chapter in Book - Other

Day, A. (2013). Paediatrics. In P. Joyce, G. Nicholls, K. Thomas & T. Wilkinson (Eds.), The Christchurch experience: 40 years of research and teaching. (pp. 41-44). Christchurch, New Zealand: University of Otago.

Journal - Research Article

Wall, C. L., Day, A. S., & Gearry, R. B. (2013). Use of exclusive enteral nutrition in adults with Crohn's disease: A review. World Journal of Gastroenterology, 19(43), 7652-7660. doi: 10.3748/wjg.v19.i43.7652

Nahidi, L., Leach, S. T., Lemberg, D. A., & Day, A. S. (2013). Osteoprotegerin exerts its pro-inflammatory effects through nuclear factor-κB activation. Digestive Diseases & Sciences, 58(11), 3144-3155. doi: 10.1007/s10620-013-2851-2

Day, A. S., Ehn, M., Gearry, R. B., Lemberg, D. A., & Leach, S. T. (2013). Fecal S100A12 in healthy infants and children. Disease Markers, 35(5), 295-299. doi: 10.1155/2013/873582

Mahendran, V., Tan, Y. S., Riordan, S. M., Grimm, M. C., Day, A. S., Lemberg, D. A., … Zhang, L. (2013). The prevalence and polymorphisms of zonula occluden toxin gene in multiple Campylobacter concisus strains isolated from saliva of patients with inflammatory bowel disease and controls. PLoS ONE, 8(9), e75525. doi: 10.1371/journal.pone.0075525

Nahidi, L., Leach, S. T., Mitchell, H. M., Kaakoush, N. O., Lemberg, D. A., Munday, J. S., … Day, A. S. (2013). Inflammatory bowel disease therapies and gut function in a colitis mouse model. BioMed Research International, 2013, 909613. doi: 10.1155/2013/909613

Ledder, O. D., Lemberg, D. A., Ooi, C. Y., & Day, A. S. (2013). Are thiopurines always contraindicated after thiopurine-induced pancreatitis in inflammatory bowel disease? Journal of Pediatric Gastroenterology & Nutrition, 57(5), 583-586. doi: 10.1097/MPG.0b013e31829f16fc

Moeeni, V., Walls, T., & Day, A. S. (2013). Nutritional status and nutrition risk screening in hospitalized children in New Zealand. Acta Paediatrica, 102(9), e419-e423. doi: 10.1111/apa.12299

Day, A. S., & Burgess, L. (2013). Exclusive enteral nutrition and induction of remission of active Crohn's disease in children. Expert Review of Clinical Immunology, 9(4), 375-384. doi: 10.1586/eci.13.12

Keenan, J. I., Salm, N., Pearson, J. F., Gearry, R. B., & Day, A. S. (2013). Campylobacter seroreactivity in adults with recent onset of Crohn’s disease. Journal of Gastroenterology & Hepatology Research, 2(3), 468-472. doi: 10.6051/j.issn.2224-3992.2013.02.228

Hallab, J. C., Leach, S. T., Zhang, L., Mitchell, H. M., Oei, J., Lui, K., & Day, A. S. (2013). Molecular characterization of bacterial colonization in the preterm and term infant's intestine. Indian Journal of Pediatrics, 80(1), 1-5. doi: 10.1007/s12098-012-0753-5

Day, A. S. (2013). Pediatric Gastroenterology: Challenges great and small. Frontiers in Pediatrics, 1, 2. doi: 10.3389/fped.2013.00002

van de Logt, F., & Day, A. S. (2013). S100A12: A noninvasive marker of inflammation in inflammatory bowel disease. Journal of Digestive Diseases, 12(2), 62-67. doi: 10.1111/1751-2980.12012

Journal - Research Other

Keenan, J. I., & Day, A. S. (2013). Risks for celiac disease: Bacteria make it three. Digestive Diseases & Sciences, 58(11), 3066-3067. doi: 10.1007/s10620-013-2839-y

Falvey, J. D., Gearry, R. B., & Day, A. S. (2013). Fecal calprotectin does not predict endoscopic remission in inflammatory bowel disease. Inflammatory Bowel Diseases, 19(6), E80-E81. doi: 10.1097/MIB.0b013e31828dc6d3

Day, A. S., Mitchell, H. M., Leach, S. T., & Lemberg, D. A. (2013). Comment to: Changes of faecal microflora in patients with Crohn's disease treated with an elemental diet and total parenteral nutrition. Digestive & Liver Disease, 45(2), 177. doi: 10.1016/j.dld.2012.07.014

Conference Contribution - Published proceedings: Abstract

Porter, J. A., MacKenzie, K., Darlow, B., & Day, A. S. (2013). Looking for coeliac disease in children with type one diabetes mellitus: The New Zealand perspective. Proceedings of the Paediatric Society of New Zealand 65th Annual Scientific Meeting. (pp. 126). Retrieved from http://www.psnz2013.co.nz/

Porter, J., Day, A. S., MacKenzie, K., & Darlow, B. (2013). Gastrointestinal symptoms in children with type one diabetes mellitus. Proceedings of the Paediatric Society of New Zealand 65th Annual Scientific Meeting. (pp. 93). Retrieved from http://www.psnz2013.co.nz/

Moeeni, V., Shojaee, P., Kianifar, H. R., Walls, T., Pattemore, P., & Day, A. S. (2013). Nutritional assessment in children with Cystic Fibrosis disease. Proceedings of the Paediatric Society of New Zealand 65th Annual Scientific Meeting. (pp. 92). Retrieved from http://www.psnz2013.co.nz/

Porter, J., Day, A. S., MacKenzie, K., Darlow, B., Parsons, M., & Butler, R. (2013). Gastric emptying in children with type one diabetes mellitus. Proceedings of the Paediatric Society of New Zealand 65th Annual Scientific Meeting. (pp. 49). Retrieved from http://www.psnz2013.co.nz/

Moeeni, V., Walls, T., & Day, A. S. (2013). Assessment of the outcomes of applying a nutritional screening tool (STRONGkids) on paediatric hospitalised patients by different health care staff. Proceedings of the Paediatric Society of New Zealand 65th Annual Scientific Meeting. (pp. 47). Retrieved from http://www.psnz2013.co.nz/

Day, A. (2013). Coeliac disease in 2020. Proceedings of the George Abbott Symposium. Retrieved from http://www.otago.ac.nz/george-abbott

Kemp, G., Meffan, P., Fry, D., Krishnaprasad, K., Heaphy, B., Day, A. S., & Gearry, R. B. (2013). The descriptive epidemiology of inflammatory bowel disease in Nelson, New Zealand. New Zealand Medical Journal, 126(1387). Retrieved from http://www.nzma.org.nz/journal

Nahidi, L., Leach, S. T., Lemberg, D. A., & Day, A. S. (2013). Osteoprotegerin: A pro-inflammatory role in IBD. New Zealand Medical Journal, 126(1387). Retrieved from http://www.nzma.org.nz/journal

Wright, E. K., De Cruz, P., Kamm, M. A., Hamilton, A. L., Ritchie, K., Krejany, S., … Day, A. S., Gearry, R. B., & Desmond, P. V. (2013). Faecal calprotectin helps determine the need for post-operative colonoscopy in Crohn's disease: Prospective longitudinal endoscopic validation: Results from the POCER study. Journal of Gastroenterology & Hepatology, 28(Suppl. 2), (pp. 106). doi: 10.1111/jgh.12365_6

Nahidi, L., Leach, S. T., Mitchell, H. M., Kaakoush, N. O., Lemberg, D. A., Munday, J. S., … Day, A. S. (2013). The effect of nutritional and non-nutritional therapies on gut barrier function and mucosal healing in a colitis mouse model. Journal of Gastroenterology & Hepatology, 28(Suppl. 2), (pp. 16). doi: 10.1111/jgh.12365_2

Nahidi, L., Leach, S. T., Lemberg, D. A., & Day, A. S. (2013). Is osteoprotegerin a pro-inflammatory cytokine? Journal of Gastroenterology & Hepatology, 28(Suppl. 2 ), (pp. 16). doi: 10.1111/jgh.12365_2

Mahendran, V., Lee, H. Y., Tan, Y. S., Riordan, S. M., Grimm, M. C., Day, A. S., … Zhang, L. (2013). The association between a tight junction toxin gene in Campylobacter concisus and inflammatory bowel disease. Journal of Gastroenterology & Hepatology, 28(Suppl. 2), (pp. 14). doi: 10.1111/jgh.12365_2

Conference Contribution - Poster Presentation (not in published proceedings)

Moeeni, V., Walls, T., & Day, A. S. (2013, September). Evaluation of a nutritional risk screening tool (STRONGkids) for paediatric inpatients when applied by medical and nursing staff. Poster session presented at the Division of Health Sciences Research Forum: Foundations for Health: Otago Health Research, Christchurch, New Zealand.

Porter, J. A., MacKenzie, K., Darlow, B., & Day, A. S. (2013, September). Looking for celiac disease in children with type one diabetes mellitus: The New Zealand perspective. Poster session presented at the Division of Health Sciences Research Forum: Foundations for Health: Otago Health Research, Christchurch, New Zealand.

Conference Contribution - Verbal presentation and other Conference outputs

Day, A. (2013, November). Faecal S10A12 in healthy infants and children. Verbal presentation at the New Zealand Society of Gastroenterology & New Zealand Nurses Organisation Gastroenterology Section Annual Scientific Meeting, Wellington, New Zealand.

Day, A. (2013, November). Paediatric IBD. Verbal presentation at the New Zealand Society of Gastroenterology & New Zealand Nurses Organisation Gastroenterology Section Annual Scientific Meeting, Wellington, New Zealand.

Other Research Output

Day, A. (2013, March). The battle in the gut, University of Otago Christchurch Health Lecture Series. Christchurch, New Zealand. [Public Seminar].

2012

Chapter in Book - Research

Beasley, S., & Day, A. (2012). Abdominal pain and vomiting. In M. South & D. Isaacs (Eds.), Practical paediatrics. (7th ed.) (pp. 706-714). Edinburgh, UK: Churchill Livingstone.

Journal - Research Article

Day, A. S., Ledder, O., Leach, S. T., & Lemberg, D. A. (2012). Crohn's and colitis in children and adolescents. World Journal of Gastroenterology, 18(41), 5862-5869. doi: 10.3748/wjg.v18.i41.5862

Lee, J. M., Leach, S. T., Katz, T., Day, A. S., Jaffe, A., & Ooi, C. Y. (2012). Update of faecal markers of inflammation in children with cystic fibrosis. Mediators of Inflammation, 2012, 948367. doi: 10.1155/2012/948367

Kaakoush, N. O., Day, A. S., Huinao, K. D., Leach, S. T., Lemberg, D. A., Dowd, S. E., & Mitchell, H. M. (2012). Microbial dysbiosis in pediatric patients with Crohn's disease. Journal of Clinical Microbiology, 50(10), 3258-3266. doi: 10.1128/jcm.01396-12

Tilakaratne, S., Day, A., & Lemberg, D. (2012). Eosinophilic esophagitis and food impaction: An instructive case. Turkish Journal of Gastroenterology, 23(3), 294-297. doi: 10.4318/tjg.2012.0386

Lambert, B., Lemberg, D. A., Leach, S. T., & Day, A. S. (2012). Longer-term outcomes of nutritional management of Crohn's disease in children. Digestive Diseases & Sciences, 57(8), 2171-2177. doi: 10.1007/s10620-012-2232-2

Lion, M., Gearry, R. B., Day, A. S., & Eglinton, T. W. (2012). The cost of paediatric and perianal Crohn's disease in Canterbury, New Zealand. New Zealand Medical Journal, 125(1349). Retrieved from http://www.nzma.org.nz/journal

Bentley, R. W., Keown, D. A., Gearry, R. B., Cameron, V. A., Keenan, J., Roberts, R. L., & Day, A. S. (2012). Vitamin D receptor polymorphisms in colorectal cancer in New Zealand: An association study. New Zealand Medical Journal, 125(1356). Retrieved from http://www.nzma.org.nz/journal

Moeeni, V., Walls, T., & Day, A. S. (2012). Assessment of nutritional status and nutritional risk in hospitalised Iranian children. Acta Paediatrica, 101(10), e446-e451. doi: 10.1111/j.1651-2227.2012.02789.x

Meijer, B., Gearry, R. B., & Day, A. S. (2012). The role of S100A12 as a systemic marker of inflammation. International Journal of Inflammation, 2012, 907078. doi: 10.1155/2012/907078

Ismail, Y., Mahendran, V., Octavia, S., Day, A. S., Riordan, S. M., Grimm, M. C., … Zhang, L. (2012). Investigation of the enteric pathogenic potential of oral Campylobacter concisus strains isolated from patients with inflammatory bowel disease. PLoS ONE, 7(5), e38217. doi: 10.1371/journal.pone.0038217

Lopez, R., Beasley, S. W., Blakelock, R., Maoate, K., McBride, C. A., Slade, C., Day, A. S., & King, S. K. (2012). The role of steroids in children with multiple recurrences of intussusception. Journal of Paediatrics & Child Health, 48(2), 180-181. doi: 10.1111/j.1440-1754.2011.02406.x

Day, A. S., Judd, T., Lemberg, D. A., & Leach, S. T. (2012). Fecal M2-PK in children with Crohn's disease: A preliminary report. Digestive Diseases & Sciences, 57(8), 2166-2170. doi: 10.1007/s10620-012-2215-3

Nahidi, L., Day, A. S., Lemberg, D. A., & Leach, S. T. (2012). Differential effects of nutritional and non-nutritional therapies on intestinal barrier function in an in vitro model. Journal of Gastroenterology, 47(2), 107-117. doi: 10.1007/s00535-011-0471-1

Critch, J., Day, A. S., Otley, A., King-Moore, C., Teitelbaum, J. E., & Shashidhar, H. (2012). Use of enteral nutrition for the control of intestinal inflammation in pediatric Crohn disease. Journal of Pediatric Gastroenterology & Nutrition, 54(2), 298-305. doi: 10.1097/MPG.0b013e318235b397

Ramsden, L., & Day, A. S. (2012). Paediatric growth charts: How do we use them and can we use them better? Journal of Paediatrics & Child Health, 48(1), 22-25. doi: 10.1111/j.1440-1754.2011.02185.x

Aurangzeb, B., Whitten, K. E., Harrison, B., Mitchell, M., Kepreotes, H., Sidler, M., … Day, A. S. (2012). Prevalence of malnutrition and risk of under-nutrition in hospitalized children. Clinical Nutrition, 31(1), 35-40. doi: 10.1016/j.clnu.2011.08.011

Journal - Research Other

Moeeni, V., & Day, A. S. (2012). Nutritional risk screening tools in hospitalised children. International Journal of Child Health & Nutrition, 1(1), 39-43. doi: 10.6000/1929-4247.2012.01.01.05

Lambert, B., Lemberg, D. A., Leach, S. T., & Day, A. S. (2012). [Reply to the letter Long-term efficacy of enteral nutrition for patients with Crohn's disease]. Digestive Diseases & Sciences, 57(12), 3311. [Letter].

Hudson, B., Alderton, A., Doocey, C., Nicholson, D., Toop, L., & Day, A. S. (2012). Crying and spilling: Time to stop the overmedicalisation of normal infant behaviour. New Zealand Medical Journal, 125(1367). Retrieved from http://www.nzma.org.nz/journal

Meijer, B., Gearry, R. B., & Day, A. S. (2012). S100A12 in EDTA plasma: A cautionary tale. Journal of Crohn's & Colitis, 6(9), 961. doi: 10.1016/j.crohns.2012.05.020

Conference Contribution - Published proceedings: Abstract

Otley, A., Roma, E., Lindh, V., Shaoul, R., Abdovic, S., Aria, K., … Day, A., … Gabor, V. (2012). A cross-cultural quality of life comparison for pediatric IBD across 10 countries. 4th World Congress of Pediatric Gastroenterology, Hepatology and Nutrition (WCPGHAN). (pp. 81). Retrieved from http://www.wcpghan2012.com/

Falvey, J. D., Hoskin, T., Meijer, B., Ashcroft, A., Hampton, M. B., Day, A. S., & Gearry, R. B. (2012). Disease assessment in Ulcerative Colitis (UC): Data from the Novel Biomarkers in Inflammatory Bowel Disease (NBIBD) project cohort. New Zealand Medical Journal, 125(1367). Retrieved from http://www.nzma.org.nz/journal

Falvey, J. D., Hoskin, T., Meijer, B., Ashcroft, A., Hampton, M. B., Day, A. S., & Gearry, R. B. (2012). Disease assessment in Crohn's disease (CD): Data from the Novel Biomarkers in Inflammatory Bowel Disease (NBIBD) project cohort. New Zealand Medical Journal, 125(1367). Retrieved from http://www.nzma.org.nz/journal

Moeeni, V., Walls, T., & Day, A. S. (2012). The prevalence of malnutrition and assessment of the nutritional risk in children admitted to Christchurch Hospital, New Zealand. Journal of Gastroenterology & Hepatology, 27(Suppl. s4), (pp. 144). doi: 10.1111/j.1440-1746.2011.07251_9.x

Ooi, C. Y., Lee, J. M., Katz, T., Leach, S., Day, A. S., & Jaffe, A. (2012). Does pancreatic enzyme replacement therapy cause intestinal inflammation? Pediatric Pulmonology, 47(S35), (pp. 415). doi: 10.1002/ppul.22682

Conference Contribution - Poster Presentation (not in published proceedings)

Moeeni, V., Walls, T., & Day, A. S. (2012, September). Nutritional assessment in children. Poster session presented at the Division of Health Sciences Research Forum: Health Matters: Research Excellence at Otago, Dunedin, New Zealand.

Moeeni, V., Walls, T., & Day, A. (2012, November). Assessing the prevalence of malnutrition and the risk of nutritional deterioration in hospitalised paediatric patients in New Zealand. Poster session presented at the 46^th Annual Conference of the Nutrition Society of New Zealand: Frontiers in Nutrition, Auckland, New Zealand.

Conference Contribution - Verbal presentation and other Conference outputs

Kemp, R., Day, A., Nolan, A., Tannock, G., & Gearry, R. (2012, June). Who are we (Part I). Panel discussion at the Inaugural GutHealth Network Workshop, Dunedin, New Zealand.

2011

Journal - Research Article

Stewart, M., Day, A. S., & Otley, A. (2011). Physician attitudes and practices of enteral nutrition as primary treatment of paediatric Crohn disease in North America. Journal of Pediatric Gastroenterology & Nutrition, 52(1), 38-42. doi: 10.1097/MPG.0b013e3181e2c724

Kaakoush, N. O., Deshpande, N. P., Wilkins, M. R., Tan, C. G., Burgos-Portugal, J. A., Raftery, M. J., Day, A. S., … Mitchell, H. (2011). The pathogenic potential of Campylobacter concisus strains associated with chronic intestinal diseases. PLoS ONE, 6(12), e29045. doi: 10.1371/journal.pone.0029045

Judd, T. A., Day, A. S., Lemberg, D. A., Turner, D., & Leach, S. T. (2011). Update of fecal markers of inflammation in inflammatory bowel disease. Journal of Gastroenterology & Hepatology, 26(10), 1493-1499. doi: 10.1111/j.1440-1746.2011.06846.x

Loughran-Fowlds, A., Leach, S., Lin, J., Oei, J., Henry, R., Day, A. S., & Lui, K. (2011). Respiratory disease and early serum S100A12 changes in very premature infants. Acta Paediatrica, 20, 1538-1543. doi: 10.1111/j.1651-2227.2011.02384.x

Day, A. S., & Keenan, J. (2011). Probiotic-mediated modulation of host inflammation. Expert Review of Gastroenterology & Hepatology, 5(3), 319-321. doi: 10.1586/egh.11.34

Wadhera, V., Lemberg, D. A., Leach, S. T., & Day, A. S. (2011). Complementary and alternative medicine in children attending gastroenterology clinics: Usage patterns and reasons for use. Journal of Paediatrics & Child Health, 47(12), 904-910. doi: 10.1111/j.1440-1754.2011.02100.x

Aurangzeb, B., Leach, S. T., Lemberg, D. A., & Day, A. S. (2011). Assessment of nutritional status and serum leptin in children with inflammatory bowel disease. Journal of Pediatric Gastroenterology & Nutrition, 52(5), 536-541. doi: 10.1097/MPG.0b013e3181f87a95

Levin, A. D., Wadhera, V., Leach, S. T., Woodhead, H. J., Lemberg, D. A., Mendoza-Cruz, A. C., & Day, A. S. (2011). Vitamin D deficiency in children with inflammatory bowel disease. Digestive Diseases & Sciences, 56(3), 830-836. doi: 10.1007/s10620-010-1544-3

Baumgart, D. C., Bernstein, C. N., Abbas, Z., Colombel, J. F., Day, A. S., D'Haens, G., … Yamamoto-Furusho, J. K. (2011). IBD around the world: Comparing the epidemiology, diagnosis, and treatment: Proceedings of the World Digestive Health Day 2010: Inflammatory bowel disease task force meeting. Inflammatory Bowel Diseases, 17(2), 639-644. doi: 10.1002/ibd.21409

Li-Kim-Moy, J. P., Tobias, V., Day, A. S., Leach, S., & Lemberg, D. A. (2011). Esophageal subepithelial fibrosis and hyalinization are features of eosinophilic esophagitis. Journal of Pediatric Gastroenterology & Nutrition, 52(2), 147-153. doi: 10.1097/MPG.0b013e3181ef37a1

Nahidi, L., Leach, S. T., Sidler, M. A., Levin, A., Lemberg, D. A., & Day, A. S. (2011). Osteoprotegerin in pediatric Crohn's disease and the effects of exclusive enteral nutrition. Inflammatory Bowel Diseases, 17(2), 516-523. doi: 10.1002/ibd.21361

Journal - Research Other

Moeeni, V., & Day, A. S. (2011). Impact of inflammatory bowel disease upon growth in children and adolescents. ISRN Pediatrics, 2011, 365712. doi: 10.5402/2011/365712

Day, A. S., & Lemberg, D. A. (2011). Reduced sepsis with enteral antibiotics in children with intestinal failure [Invited commentary]. Alimentary Pharmacology & Therapeutics, 34(10), 1247-1248. doi: 10.1111/j.1365-2036.2011.04858.x

Keenan, J. I., Mitchell, H. M., & Day, A. S. (2011). Interactions between gastric and enteric infections: Clues to the pathogenesis of inflammatory bowel disease? [Viewpoint]. New Zealand Medical Journal, 124(1332). Retrieved from http://journal.nzma.org.nz/journal/124-1332/4606/content.pdf

Journal - Professional & Other Non-Research Articles

Day, A. S., & Aird, C. (2011). [Review of the book Examination paediatrics: A guide to paediatric training (4th ed)]. New Zealand Medical Journal, 124(1347). Retrieved from http://journal.nzma.org.nz/journal/124-1347/4998/content.pdf

Bentley, R. W., Keown, D., Merriman, T. R., Krishnan, M. R., Gearry, R. B., Barclay, M. L., Roberts, R. L., & Day, A. S. (2011). Vitamin D receptor gene polymorphism associated with inflammatory bowel disease in New Zealand males [Letter to the editor]. Alimentary Pharmacology & Therapeutics, 33(7), 855-856. doi: 10.1111/j.1365-2036.2011.04588.x

Conference Contribution - Verbal presentation and other Conference outputs

Day, A. (2011, November). Structured cases/interactive discussions (IBD). Verbal presentation at the Paediatric Society of New Zealand 63rd Annual Scientific Meeting, Auckland, New Zealand.

Day, A. (2011, November). CD and UC in children and adolescents: An update. Verbal presentation at the Paediatric Society of New Zealand 63rd Annual Scientific Meeting, Auckland, New Zealand.

2010

Journal - Research Article

Tilakaratne, S., Lemberg, D. A., Leach, S. T., & Day, A. S. (2010). C-reactive protein and disease activity in children with Crohn’s disease. Digestive Diseases & Sciences, 55(1), 131-136. doi: 10.1007/s10620-009-1017-8

Sinitsky, D. M., Lemberg, D. A., Leach, S. T., Bohane, T. D., Jackson, R., & Day, A. S. (2010). Infliximab improves inflammation and anthropometric measures in pediatric Crohn’s disease. Journal of Gastroenterology & Hepatology, 25(4), 810-816. doi: 10.1111/j.1440-1746.2009.06195.x

Man, S. M., Zhang, L., Day, A. S., Leach, S. T., Lemberg, D. A., & Mitchell, H. (2010). Campylobacter concisus and other Campylobacter species in children with newly diagnosed Crohn’s disease. Inflammatory Bowel Diseases, 16(6), 1008-1016. doi: 10.1002/ibd.21157

Whitten, K. E., Leach, S. T., Bohane, T. D., Woodhead, H. J., & Day, A. S. (2010). Effect of exclusive enteral nutrition on bone turnover in children with Crohn’s disease. Journal of Gastroenterology, 45, 399-405. doi: 10.1007/s00535-009-0165-0

Turner, D., Mack, D., Leleiko, N., Walters, T. D., Uusoue, K., Leach, S. T., Day, A. S., … Griffiths, A. M. (2010). Severe pediatric ulcerative colitis: A prospective multicenter study of outcomes and predictors of response. Gastroenterology, 138(7), 2282-2291. doi: 10.1053/j.gastro.2010.02.047

Leach, S. T., Nahidi, L., Tilakaratne, S., Day, A. S., & Lemberg, D. A. (2010). Development and assessment of a modified pediatric Crohn disease Activity Index. Journal of Pediatric Gastroenterology & Nutrition, 51(2), 232-236. doi: 10.1097/MPG.0b013e3181d13609

Turner, D., Leach, S. T., Mack, D., Uusoue, K., McLernon, R., Hyams, J., … Day, A. S. (2010). Faecal calprotectin, lactoferrin, M2-pyruvate kinase and S100A12 in severe ulcerative colitis: A prospective multicentre comparison of predicting outcomes and monitoring response. Gut, 59, 1207-1212. doi: 10.1136/gut.2010.211755

Pham, M., Leach, S. T., Lemberg, D. A., & Day, A. S. (2010). Subclinical intestinal inflammation in siblings of children with Crohn's disease. Digestive Diseases & Sciences, 55(12), 3502-3507. doi: 10.1007/s10620-010-1434-8

Man, S. M., Kaakoush, N. O., Leach, S. T., Nahidi, L., Lu, H. K., Norman, J., Day, A. S., … Mitchell, H. M. (2010). Host attachment, invasion, and stimulation of proinflammatory cytokines by Campylobacter concisus and other non-Campylobacter jejuni Campylobacter species. Journal of Infectious Diseases, 202(12), 1855-1865. doi: 10.1086/657316

Stewart, L. C., Day, A. S., Pearson, J., Barclay, M. L., Gearry, R. B., Roberts, R. L., & Bentley, R. W. (2010). SLC11A1 polymorphisms in inflammatory bowel disease and Mycobacterium avium subspecies paratuberculosis status. World Journal of Gastroenterology, 16(45), 5727-5731. doi: 10.3748/wjg.v16.i45.5727

Kaakoush, N. O., Holmes, J., Octavia, S., Man, S. M., Zhang, L., Castaño-Rodríguez, N. M., … Day, A. S., … Mitchell, H. (2010). Detection of Helicobacteraceae in intestinal biopsies of children with Crohn's disease. Helicobacter, 15(6), 549-557. doi: 10.1111/j.1523-5378.2010.00792.x

Otley, A. R., Russell, R. K., & Day, A. S. (2010). Nutritional therapy for the treatment of pediatric Crohns disease. Expert Review of Clinical Immunology, 6(4), 667-676. doi: 10.1586/eci.10.37

Aurangzeb, B., Leach, S. T., Lemberg, D. A., & Day, A. S. (2010). Nutritional status of children with coeliac disease. Acta Paediatrica, 99(7), 1020-1025. doi: 10.1111/j.1651-2227.2010.01732.x

Schultz, M., Gearry, R., Walmsley, R., Day, A. S., Fraser, A., Wyeth, J., Barclay, M., … Whiteside, C. (2010). New Zealand Society of Gastroenterology statement on the use of biological therapy in inflammatory bowel disease. New Zealand Medical Journal, 123(1314). Retrieved from http://journal.nzma.org.nz/journal/123-1314/4115/content.pdf

Zhang, L., Budiman, V., Day, A. S., Mitchell, H., Lemberg, D. A., Riordan, S. M., … Ismail, Y. (2010). Isolation and detection of Campylobacter concisus from saliva of healthy individuals and patients with inflammatory bowel disease. Journal of Clinical Microbiology, 48(8), 2965-2967. doi: 10.1128/JCM.02391-09

Wong, S., Lemberg, D. A., & Day, A. S. (2010). Exclusive enteral nutrition in the management of perianal Crohn's disease in children. Journal of Digestive Diseases, 11(3), 185-188. doi: 10.1111/j.1751-2980.2010.00434.x

Day, A. S., & Gearry, R. B. (2010). Rifaximin and Crohn's disease: A new solution to an old problem? Digestive Diseases & Sciences, 55, 877-879. doi: 10.1007/s10620-010-1140-6

Journal - Research Other

Gearry, R. B., Day, A. S., Barclay, M. L., Leong, R. W. L., & Sparrow, M. P. (2010). Azathioprine and allopurinol: A two-edged interaction [Editorial]. Journal of Gastroenterology & Hepatology, 25(4), 653-655. doi: 10.1111/j.1440-1746.2010.06254.x

Journal - Professional & Other Non-Research Articles

Gupta, N., & Day, A. S. (2010). Blue rubber bleb naevus syndrome [Editorial comment]. Journal of Paediatrics & Child Health, 46(1-2), 67-68. doi: 10.1111/j.1440-1754.2009.01667.x

Conference Contribution - Published proceedings: Abstract

Wong, S. M., Day, A., Lemberg, D., Riordan, S., Grimm, M. C., Budiman, V., & et al (2010). Antibiotic susceptibility of Campylobacter concisus isolated from patients with inflammatory bowel disease. Journal of Gastroenterology & Hepatology, 25(Suppl. 3), (pp. A80). doi: 10.1111/j.1440-1746.2010.06454.x

Mitchell, H. M., Man, S. M., Leach, S., Nahidi, L., Norman, J., Day, A. S., & et al (2010). Campylobacter concisus: An emergent intestinal pathogen. Journal of Gastroenterology & Hepatology, 25(Suppl. 3), (pp. A82). doi: 10.1111/j.1440-1746.2010.06454.x

Nahidi, L., Leach, S. T., Lemberg, D. A., & Day, A. S. (2010). Modulation of intestinal tight junction structure by nutritional and non-nutritional therapies. Journal of Gastroenterology & Hepatology, 25(Suppl. 3), (pp. A81). doi: 10.1111/j.1440-1746.2010.06454.x

Kaakoush, N. O., Holmes, J., Octavia, S., Man, S., Zhang, L., Castano-Rodriguez, N., Day, A., & et al (2010). Do members of the helicobacteraceae play a role in Crohn's disease? Helicobacter. 15(4), (pp. 315). doi: 10.1111/j.1523-5378.2010.00771.x

2009

Journal - Research Article

Pons, R., Whitten, K. E., Woodhead, H., Leach, S. T., Lemberg, D. A., & Day, A. S. (2009). Dietary intakes of children with Crohn’s disease. British Journal of Nutrition, 102(7), 1052-1057. doi: 10.1017/S0007114509359085

Colletti, R. B., Baldassano, R. N., Moliv, D. E., Margolis, P. A., Bousvaros, A., Crandall, W. V., … Day, A. S., … for PIBDNet, the Pediatric IBD Network for Research and Improvement. (2009). Variation in care in pediatric Crohn disease. Journal of Pediatric Gastroenterology & Nutrition, 49(3), 297-303. doi: 10.1097/MPG.0b013e3181919695

Zhang, L., Man, S. M., Day, A. S., Leach, S. T., Lemberg, D. A., Dutt, S., … Mitchell, H. (2009). Detection and isolation of Campylobacter species other than C. jejuni from children with Crohn's disease. Journal of Clinical Microbiology, 47(2), 453-455. doi: 10.1128/JCM.01949-08

2008

Journal - Research Article

Leach, S. T., Mitchell, H. M., Geczy, C. L., Sherman, P. M., & Day, A. S. (2008). S100 calgranulin proteins S100A8, S100A9 and S100A12 are expressed in the inflamed gastric mucosa of Helicobacter pylori-infected children. Canadian Journal of Gastroenterology, 22(5), 461-464.

Man, S. M., Zhang, L., Day, A. S., Leach, S., & Mitchell, H. (2008). Detection of enterohepatic and gastric Helicobacter species in fecal specimens of children with Crohn’s disease. Helicobacter, 13(4), 234-238. doi: 10.1111/j.1523-5378.2008.00607.x

Leach, S. T., Messina, I., Lemberg, D. A., Novick, D., Rubenstein, M., & Day, A. S. (2008). Local and systemic interleukin-18 and interleukin-18-binding protein in children with inflammatory bowel disease. Inflammatory Bowel Diseases, 14(1), 68-74. doi: 10.1002/ibd.20272

Leach, S. T., Mitchell, H. M., Eng, W. R., Zhang, L., & Day, A. S. (2008). Sustained modulation of intestinal bacteria by exclusive enteral nutrition used to treat children with Crohn's disease. Alimentary Pharmacology & Therapeutics, 28, 724-733. doi: 10.1111/j.1365-2036.2008.03796.x

Sidler, M. A., Leach, S. T., & Day, A. S. (2008). Fecal S100A12 and fecal calprotectin as noninvasive markers for inflammatory bowel disease in children. Inflammatory Bowel Diseases, 14(3), 359-366. doi: 10.1002/ibd.20336

Day, A. S., Whitten, K. E., Sidler, M., & Lemberg, D. A. (2008). Systemic review: Nutritional therapy in paediatric Crohn's disease. Alimentary Pharmacology & Therapeutics, 27, 293-307. doi: 10.1111/j.1365-2036.2007.03578.x

Journal - Research Other

Gearry, R. B., & Day, A. S. (2008). Inflammatory bowel disease in New Zealand children: A growing problem [Editorial]. New Zealand Medical Journal, 121(1283). Retrieved from http://journal.nzma.org.nz/journal/121-1283/3285/content.pdf

2007

Journal - Research Article

Ooi, C. Y., Bohane, T. D., Lee, D., Naidoo, D., & Day, A. S. (2007). Thiopurine metabolite monitoring in paediatric inflammatory bowel disease. Alimentary Pharmacology & Therapeutics, 25(8), 941-947. doi: 10.1111/j.1365-2036.2007.03278.x

de Jong, N. S. H., Leach, S. T., & Day, A. S. (2007). Polymeric formula has direct anti-inflammatory effects on enterocytes in an in vitro model of intestinal inflammation. Digestive Diseases & Sciences, 52(9), 2029-2036. doi: 10.1007/s10620-006-9449-x

Leach, S. T., Yang, Z., Messina, I., Song, C., Geczy, C. L., Cunningham, A. M., & Day, A. S. (2007). Serum and mucosal S100 proteins, calprotectin (S100A8/S100A9) and S100A12, are elevated at diagnosis in children with inflammatory bowel disease. Scandinavian Journal of Gastroenterology, 42(11), 1321-1331. doi: 10.1080/00365520701416709

2006

Journal - Research Article

Zhang, L., Day, A., McKenzie, G., & Mitchell, H. (2006). Nongastric Helicobacter species detected in the intestinal tract of children. Journal of Clinical Microbiology, 44(6), 2276-2279. doi: 10.1128/JCM.02017-05

de Jong, N. S. H., Leach, S. T., & Day, A. S. (2006). Fecal S100A12: A novel noninvasive marker in children with Crohn's disease. Inflammatory Bowel Diseases, 12(7), 566-572. doi: 10.1097/01.ibd.0000227626.72271.91

Day, A. S., Whitten, K. E., Lemberg, D. A., Clarkson, C., Vitug-Sales, M., Jackson, R., & Bohane, T. D. (2006). Exclusive enteral feeding as primary therapy for Crohn’s disease in Australian children and adolescents: A feasible and effective approach. Journal of Gastroenterology & Hepatology, 21(10), 1609-1614. doi: 10.1111/j.1440-1746.2006.04294.x

2001

Journal - Research Article

Day, A. S., Beasley, S. W., Meads, A., & Abbott, G. D. (2001). Morbidity associated with gastrostomy placement in children demands an ongoing integrated approach to care. New Zealand Medical Journal, 114, 164-166.

2000

Journal - Research Article

Day, A. S., Cook, H. B., Abbott, G., & Whitehead, M. (2000). Anti-endomysial and anti-gliadin antibodies in screening for coeliac disease in children at greater risk of developing coeliac disease. New Zealand Medical Journal, 113, 412-413.

Conference Contribution - Published proceedings: Abstract

Lewis, D. R., Taberner, P. V., Lemon, M. J. C., Day, A., Shih, M. F., Brooks, S. T., … Smith, F. C. T. (2000). Patients with failed infra-inguinal bypass grafts have abnormal lipid metabolism. Annals of the Royal College of Surgeons of England. 82, (pp. 130). [Abstract]

Lewis, D. R., Taberner, P. V., Lemon, M. J. C., Day, A., Shih, M. F., Brookes, S. T., … Smith, F. C. T. (2000). Sex dependence of the association of infrainguinal graft failure with lipid metabolism. British Journal of Surgery. 87, (pp. 651). [Abstract]

1999

Journal - Research Article

Day, A. S., & Abbott, G. (1999). Simultaneous presentation of coeliac disease and ulcerative colitis in a child. Journal of Paediatrics & Child Health, 35, 204-206.

Day, A. S., & Abbott, G. (1999). D-lactic acidosis in short bowel syndrome. New Zealand Medical Journal, 112, 277-278.

1998

Journal - Research Article

Day, A. S., McGregor, D. O., Henderson, S. J., & Teele, D. (1998). Fatal adenoviral disease in siblings. Pediatric Infectious Disease Journal, 17, 83-85.