Mr Richard Bunton

Contact Details
- Phone
- 64 3 474 0999 ext 58136
- richard.bunton@southerndhb.govt.nz
- Position
- Clinical Senior Lecturer
- Department
- Department of Surgical Sciences (Dunedin)
- Qualifications
- MB ChB(Otago) FRACS FRCSEd
- Teaching
- Chair Board of Cardiothoracic Surgery, Royal Australasian College of Surgeons (RACS)
- Clinical
- <ul><li>Adult cardiothoracic surgery</li></ul>
Research
Publications
Galvin, S. D., Celi, L. A., Thomas, K. N., Clendon, T. R., Galvin, I. F., Bunton, R. W., & Ainslie, P. N. (2010). Effects of age and coronary artery disease on cerebrovascular reactivity to carbon dioxide in humans. Anaesthesia & Intensive Care, 38(4), 710-717.
Parry, D. J., Winburn, I. C., Wilkins, G. T., & Bunton, R. W. (2005). Expanding retrograde saphenous vein graft aneurysm treated with endovascular coiling. Annals of Thoracic Surgery, 80, 2374-2376. doi: 10.1016/j.athoracsur.2004.07.083
Chu, J. W., Chen, V. H. T., & Bunton, R. (2012). Thrombosis of a mechanical heart valve despite dabigatran [Letter]. Annals of Internal Medicine, 157(4), 304. doi: 10.7326/0003-4819-157-4-201208210-00026
Galvin, S. D., Wademan, B., Chu, J., & Bunton, R. W. (2010). Benign metastasizing leiomyoma: A rare metastatic lesion in the right ventricle [Case report]. Annals of Thoracic Surgery, 89(1), 279-281. doi: 10.1016/j.athoracsur.2009.06.050
Galvin, S., Chen, V., Bunton, R., & Doyle, T. (2010). Sutureless pericardial patch augmentation for impending left ventricular free wall rupture [Case report]. Interactive Cardiovascular & Thoracic Surgery, 10, 341-343. doi: 10.1510/icvts.2009.217125
Delany, S. G., Doyle, T. C. A., Bunton, R. W., Hung, N. A., Joblin, L. U., & Taylor, D. R. (1993). Pulmonary artery sarcoma mimicking pulmonary embolism [Case report]. Chest, 103(5), 1631-1633. doi: 10.1378/chest.103.5.1631
Publications
Chandrasekera, D., Shah, R., van Hout, I., de Jonge, W., Bunton, R., Parry, D., Davis, P., & Katare, R. (2023). Combination of precipitation and size exclusion chromatography as an effective method for exosome like extracellular vesicle isolation from pericardial fluids. Nanotheranostics, 7(4), 345-352. doi: 10.7150/ntno.82939
Paudel, P., van Hout, I., Bunton, R. W., Parry, D. J., Coffey, S., McDonald, F. J., & Fronius, M. (2022). Epithelial sodium channel δ subunit is expressed in human arteries and has potential association with hypertension. Hypertension, 79(7), 1385-1394. doi: 10.1161/hypertensionaha.122.18924
Gray, E. A., Skinner, M. A., Hale, L. A., & Bunton, R. W. (2022). Preparation and support for physical activity following hospital discharge after coronary artery bypass graft surgery: A survey of current practice in New Zealand. Physiotherapy Research International, 27, e1940. doi: 10.1002/pri.1940
Gray, E., Smith, C., Bunton, R., & Skinner, M. (2022). Perceptions and experiences of engaging in physical activity following coronary artery bypass graft surgery. Physiotherapy Theory & Practice, 38(13), 2841-2855. doi: 10.1080/09593985.2021.1989733
Coffey, S., Dixit, P., Saw, E. L., Babakr, A. A., van Hout, I., Galvin, I. F., Saxena, P., Bunton, R. W., Davis, P. J., Lamberts, R. R., Katare, R., & Williams, M. J. A. (2021). Thiamine increases resident endoglin positive cardiac progenitor cells and atrial contractile force in humans: A randomised controlled trial. International Journal of Cardiology, 341, 70-73. doi: 10.1016/j.ijcard.2021.08.039
Chandrasekera, D., Shah, R., van Hout, I., de Jonge, W., Bunton, R., Parry, D., Davis, P., & Katare, R. (2023). Combination of precipitation and size exclusion chromatography as an effective method for exosome like extracellular vesicle isolation from pericardial fluids. Nanotheranostics, 7(4), 345-352. doi: 10.7150/ntno.82939
Journal - Research Article
Gray, E. A., Skinner, M. A., Hale, L. A., & Bunton, R. W. (2022). Preparation and support for physical activity following hospital discharge after coronary artery bypass graft surgery: A survey of current practice in New Zealand. Physiotherapy Research International, 27, e1940. doi: 10.1002/pri.1940
Journal - Research Article
Gray, E., Smith, C., Bunton, R., & Skinner, M. (2022). Perceptions and experiences of engaging in physical activity following coronary artery bypass graft surgery. Physiotherapy Theory & Practice, 38(13), 2841-2855. doi: 10.1080/09593985.2021.1989733
Journal - Research Article
Paudel, P., van Hout, I., Bunton, R. W., Parry, D. J., Coffey, S., McDonald, F. J., & Fronius, M. (2022). Epithelial sodium channel δ subunit is expressed in human arteries and has potential association with hypertension. Hypertension, 79(7), 1385-1394. doi: 10.1161/hypertensionaha.122.18924
Journal - Research Article
Aitken-Buck, H. M., Krause, J., van Hout, I., Davis, P. J., Bunton, R. W., Parry, D. J., Williams, M. J. A., Coffey, S., … Jones, P. P., & Lamberts, R. R. (2021). Long-chain acylcarnitine 18:1 acutely increases human atrial myocardial contractility and arrhythmia susceptibility. American Journal of Physiology: Heart & Circulatory Physiology, 321, H162-H174. doi: 10.1152/ajpheart.00184.2021
Journal - Research Article
Coffey, S., Dixit, P., Saw, E. L., Babakr, A. A., van Hout, I., Galvin, I. F., Saxena, P., Bunton, R. W., Davis, P. J., Lamberts, R. R., Katare, R., & Williams, M. J. A. (2021). Thiamine increases resident endoglin positive cardiac progenitor cells and atrial contractile force in humans: A randomised controlled trial. International Journal of Cardiology, 341, 70-73. doi: 10.1016/j.ijcard.2021.08.039
Journal - Research Article
Purvis, N., Kumari, S., Chandrasekera, D., Bellae Papannarao, J., Gandhi, S., van Hout, I., Coffey, S., Bunton, R., Sugunesegran, R., Parry, D., Davis, P., Williams, M. J. A., Bahn, A., & Katare, R. (2021). Diabetes induces dysregulation of microRNAs associated with survival, proliferation and self-renewal in cardiac progenitor cells. Diabetologia, 64, 1422-1435. doi: 10.1007/s00125-021-05405-7
Journal - Research Article
Saw, E. L., Pearson, J. T., Schwenke, D. O., Munasinghe, P. E., Tsuchimochi, H., Rawal, S., Coffey, S., … Bunton, R., Van Hout, I., … Williams, M. J. A., … Fronius, M., & Katare, R. (2021). Activation of the cardiac non-neuronal cholinergic system prevents the development of diabetes-associated cardiovascular complications. Cardiovascular Diabetology, 20, 50. doi: 10.1186/s12933-021-01231-8
Journal - Research Article
Aitken-Buck, H. M., Babakr, A. A., Fomison-Nurse, I. C., van Hout, I., Davis, P. J., Bunton, R. W., Williams, M. J. A., Coffey, S., Jones, P. P., & Lamberts, R. R. (2020). Inotropic and lusitropic, but not arrhythmogenic, effects of adipocytokine resistin on human atrial myocardium. American Journal of Physiology: Endocrinology & Metabolism, 319, E540-E547. doi: 10.1152/ajpendo.00202.2020
Journal - Research Article
Babakr, A. A., Fomison-Nurse, I. C., van Hout, I., Aitken-Buck, H. M., Sugunesegran, R., Davis, P. J., Bunton, R. W., Williams, M. J. A., Coffey, S., Stiles, M. K., Jones, P. P., & Lamberts, R. R. (2020). Acute interaction between human epicardial adipose tissue and human atrial myocardium induce arrhythmic susceptibility. American Journal of Physiology: Endocrinology & Metabolism, 318, E164-E172. doi: 10.1152/ajpendo.00374.2019
Journal - Research Article
Lal, S., Gray, A., Kim, E., Bunton, R. W., Davis, P., Galvin, I. F., & Williams, M. J. A. (2020). Frailty in elderly patients undergoing cardiac surgery increases hospital stay and 12-month readmission rate. Heart, Lung & Circulation, 29, 1187-1194. doi: 10.1016/j.hlc.2019.10.007
Journal - Research Article
McQuaig, R., Dixit, P., Yamauchi, A., Van Hout, I., Bellae Papannarao, J., Bunton, R., Parry, D., Davis, P., & Katare, R. (2020). Combination of cardiac progenitor cells from the right atrium and left ventricle exhibits synergistic paracrine effects in vitro. Cell Transplantation, 29. doi: 10.1177/0963689720972328
Journal - Research Article
Aitken-Buck, H. M., Moharram, M., Babakr, A. A., Reijers, R., Van Hout, I., Fomison-Nurse, I. C., Sugunesegran, R., … Bunton, R. W., Williams, M. J. A., … Jones, P. P., Coffey, S., & Lamberts, R. R. (2019). Relationship between epicardial adipose tissue thickness and epicardial adipocyte size with increasing body mass index. Adipocyte, 8(1), 412-420. doi: 10.1080/21623945.2019.1701387
Journal - Research Article
Rawal, S., Nagesh, P. T., Coffey, S., Van Hout, I., Galvin, I. F., Bunton, R. W., Davis, P., Williams, M. J. A., & Katare, R. (2019). Early dysregulation of cardiac-specific microRNA-208a is linked to maladaptive cardiac remodelling in diabetic myocardium. Cardiovascular Diabetology, 18, 13. doi: 10.1186/s12933-019-0814-4
Journal - Research Article
Fomison-Nurse, I., Saw, E. E. L., Gandhi, S., Munasinghe, P. E., Van Hout, I., Williams, M. J. A., Galvin, I., Bunton, R., Davis, P., Cameron, V., & Katare, R. (2018). Diabetes induces the activation of pro-ageing miR-34a in the heart, but has differential effects on cardiomyocytes and cardiac progenitor cells. Cell Death & Differentiation, 25, 1336-1349. doi: 10.1038/s41418-017-0047-6
Journal - Research Article
Dixit, P., Donnelly, H., Edamatsu, M., Galvin, I., Bunton, R., & Katare, R. (2017). Progenitor cells from atria, ventricle and peripheral blood of the same patients exhibit functional differences associated with cardiac repair. International Journal of Cardiology, 228, 412-421. doi: 10.1016/j.ijcard.2016.11.178
Journal - Research Article
Rawal, S., Munasinghe, E. P., Nagesh, P. T., Lew, J. K. S., Jones, G. T., Williams, M. J. A., Davis, P., Bunton, R. W., Galvin, I. F., Manning, P., Lamberts, R. R., & Katare, R. (2017). Downregulation of miR-15a/b accelerates fibrotic remodelling in the Type-2 diabetic human and mouse heart. Clinical Science, 131(9), 847-863. doi: 10.1042/cs20160916
Journal - Research Article
Rawal, S., Munasinghe, P. E., Shindikar, A., Paulin, J., Cameron, V., Manning, P., Williams, M. J. A., Jones, G. T., Bunton, R., Galvin, I., & Katare, R. (2017). Down-regulation of proangiogenic microRNA-126 and microRNA-132 are early modulators of diabetic cardiac microangiopathy. Cardiovascular Research, 113(1), 90-101. doi: 10.1093/cvr/cvw235
Journal - Research Article
Coffey, S., Williams, M. J. A., Phillips, L. V., Galvin, I. F., Bunton, R. W., & Jones, G. T. (2016). Integrated microRNA and messenger RNA analysis in aortic stenosis. Scientific Reports, 6, 36904. doi: 10.1038/srep36904
Journal - Research Article
Munasinghe, P. E., Riu, F., Dixit, P., Edamatsu, M., Saxena, P., Hamer, N. S. J., Galvin, I. F., Bunton, R. W., Lequeux, S., Jones, G., Lamberts, R. R., … Katare, R. (2016). Type-2 diabetes increases autophagy in the human heart through promotion of Beclin-1 mediated pathway. International Journal of Cardiology, 202, 13-20. doi: 10.1016/j.ijcard.2015.08.111
Journal - Research Article
Rawal, S., Parshu Ram, T., Coffey, S., Williams, M. J. A., Saxena, P., Bunton, R. W., Galvin, I. F., & Katare, R. (2016). Differential expression pattern of cardiovascular microRNAs in the human type-2 diabetic heart with normal ejection fraction. International Journal of Cardiology, 202, 40-43. doi: 10.1016/j.ijcard.2015.08.161
Journal - Research Article
Bussey, C. T., Hughes, G., Saxena, P., Galvin, I. F., Bunton, R. W., Noye, M. K., Coffey, S., Williams, M. J. A., Baldi, J. C., Jones, P. P., & Lamberts, R. R. (2015). Chamber-specific changes in calcium-handling proteins in the type 2 diabetic human heart with preserved ejection fraction. International Journal of Cardiology, 193, 53-55. doi: 10.1016/j.ijcard.2015.05.053
Journal - Research Article
Lamberts, R. R., Lingam, S. J., Wang, H.-Y., Bollen, I. A. E., Hughes, G., Galvin, I. F., Bunton, R. W., Bahn, A., Katare, R., Baldi, J. C., Williams, M. J. A., Saxena, P., Coffey, S., & Jones, P. P. (2014). Impaired relaxation despite upregulated calcium-handling protein atrial myocardium from type 2 diabetic patients with preserved ejection fraction. Cardiovascular Diabetology, 13, 72. doi: 10.1186/1475-2840-13-72
Journal - Research Article
Moore, A., Shindikar, A., Fomison-Nurse, I., Riu, F., Munasinghe, P. E., Parshu Ram, T., Saxena, P., Coffey, S., Bunton, R. W., Galvin, I. F., Williams, M. J. A., … Katare, R. (2014). Rapid onset of cardiomyopathy in STZ-induced female diabetic mice involves the downregulation of pro-survival Pim-1. Cardiovascular Diabetology, 13, 68. doi: 10.1186/1475-2840-13-68
Journal - Research Article
Galvin, S. D., Celi, L. A., Thomas, K. N., Clendon, T. R., Galvin, I. F., Bunton, R. W., & Ainslie, P. N. (2010). Effects of age and coronary artery disease on cerebrovascular reactivity to carbon dioxide in humans. Anaesthesia & Intensive Care, 38(4), 710-717.
Journal - Research Article
Parry, D. J., Winburn, I. C., Wilkins, G. T., & Bunton, R. W. (2005). Expanding retrograde saphenous vein graft aneurysm treated with endovascular coiling. Annals of Thoracic Surgery, 80, 2374-2376.
Journal - Research Article
Daniels, L. J., Annandale, M., Koutsifeli, P., Li, X., Bussey, C. T., van Hout, I., Bunton, R. W., … Coffey, S., Katare, R., Lamberts, R. R., … Mellor, K. M. (2021). Elevated myocardial fructose and sorbitol levels are associated with diastolic dysfunction in diabetic patients, and cardiomyocyte lipid inclusions in vitro [Brief communication]. Nutrition & Diabetes, 11, 8. doi: 10.1038/s41387-021-00150-7
Journal - Research Other
Ram, T. P., Fomison-Nurse, I., Gandhi, S., Coffey, S., Saxena, P., Galvin, I., Bunton, R., Williams, M. J. A., Lamberts, R. R., & Katare, R. (2017). The diagnostic sensitivity of circulating cardio-enriched microRNAs is increased after normalization of high-density lipoprotein levels [Short communication]. International Journal of Cardiology, 236, 498-500. doi: 10.1016/j.ijcard.2017.01.119
Journal - Research Other
Munasinghe, P. E., Riu, F., Dixit, P., Edamatsu, M., Saxena, P., Hamer, N. S. J., Galvin, I. F., Bunton, R. W., Lequeux, S., Jones, G., Lamberts, R., … Katare, R. (2015). Data supporting the activation of autophagy genes in the diabetic heart [Data article]. Data in Brief, 5, 269-275. doi: 10.1016/j.dib.2015.09.003
Journal - Research Other
Bevan, P., Menon, A., & Bunton, R. (2014). Spontaneous chest wall hematoma with dual antiplatelet therapy. Canadian Journal of Cardiology, 30(2), 247.e1-247.e2. doi: 10.1016/j.cjca.2013.08.021
Journal - Research Other
Chu, J. W., Chen, V. H. T., & Bunton, R. (2012). Thrombosis of a mechanical heart valve despite dabigatran. Annals of Internal Medicine, 157(4), 304. [Letter].
Journal - Research Other
Galvin, S. D., Wademan, B., Chu, J., & Bunton, R. W. (2010). Benign metastasizing leiomyoma: A rare metastatic lesion in the right ventricle [Case report]. Annals of Thoracic Surgery, 89(1), 279-281. doi: 10.1016/j.athoracsur.2009.06.050
Journal - Research Other
Galvin, S., Chen, V., Bunton, R., & Doyle, T. (2010). Sutureless pericardial patch augmentation for impending left ventricular free wall rupture [Case report]. Interactive Cardiovascular & Thoracic Surgery, 10, 341-343. doi: 10.1510/icvts.2009.217125
Journal - Research Other
Delany, S. G., Doyle, T. C. A., Bunton, R. W., Hung, N. A., Joblin, L. U., & Taylor, D. R. (1993). Pulmonary artery sarcoma mimicking pulmonary embolism [Case report]. Chest, 103(5), 1631-1633. doi: 10.1378/chest.103.5.1631
Journal - Research Other