Dr Hari Sugumar



Reversal of HFpEF with AF ablation in people with comorbid AF-HFpEF
Sugumar Het al

Catheter Ablation Versus Medical Rate Control in Atrial Fibrillation and Systolic Dysfunction: Long term follow-up of the CAMERA-MRI Study.
Sugumar Het al.

JASPER: Junctional Arrhythmia in Slow Pathway ablation: End points and Response.
Sugumar Het al.

Arrhythmia recurrence is more common in females undergoing multiple catheter ablation procedures for persistent atrial fibrillation: Time to close the gender gap.
Sugumar H, Nanayakkara S, Chieng D, Wong GR, Parameswaran R, Anderson RD, Al-Kaisey A, Nalliah CJ, Azzopardi S, Prabhu S, Voskoboinik A, Lee G, McLellan AJ, Ling LH, Morton JB, Kalman JM, Kistler PM.
Heart Rhythm.2019 Dec 19. pii: S1547-5271(19)31121-X. doi: 10.1016/j.hrthm.2019.12.013. PMID: 31866381

Atrial Remodeling Following Catheter Ablation for Atrial Fibrillation-Mediated Cardiomyopathy: Long-Term Follow-Up of CAMERA-MRI Study.
Sugumar H, Prabhu S, Voskoboinik A, Young S, Gutman SJ, Wong GR, Parameswaran R, Nalliah CJ, Lee G, McLellan AJ, Taylor AJ, Ling LH, Kalman JM, Kistler PM.
JACC Clin Electrophysiol.2019 Jun;5(6):681-688. doi: 10.1016/j.jacep.2019.03.009. Epub 2019 May 1. PMID: 31221354

AF-HFpEF. The Comorbid Conundrum. Review.
Sugumar Het al.

Under Consideration

Pathophysiology of Atrial Fibrillation and Heart Failure: Dangerous Interactions.
Sugumar H, Nanayakkara S, Prabhu S, Voskoboinik A, Kaye DM, Ling LH, Kistler PM.
Cardiol Clin.2019 May;37(2):131-138. doi: 10.1016/j.ccl.2019.01.002. Epub 2019 Feb 20. Review. PMID: 30926014

Arrhythmia induced cardiomyopathy.
Sugumar H, Prabhu S, Voskoboinik A, Kistler PM.
J Arrhythm. 2018 Jul 20;34(4):376-383. doi: 10.1002/joa3.12094. eCollection 2018 Aug. PMID: 30167008

Subcutaneous ICD lead position affects defibrillation threshold.
Sugumar H, Tung MK, Lee AJ, Bashir J, Lane C.
HeartRhythm Case Rep. 2017 Nov 21;4(1):29-30. doi: 10.1016/j.hrcr.2017.10.017. eCollection 2018 Jan. PMID: 29379723

How to perform posterior wall isolation in catheter ablation for atrial fibrillation.
Sugumar H, Thomas SP, Prabhu S, Voskoboinik A, Kistler PM.
J Cardiovasc Electrophysiol. 2018 Feb;29(2):345-352. doi: 10.1111/jce.13397. Epub 2017 Dec 26. PMID:29178497

Epicardial CRT-D in a Pacing Dependant Patient Without Transvenous Options.
Sugumar H, Matalanis G, Toner L, O’Donnell D.
Heart Lung Circ.2017 Aug;26(8):e48-e49. doi: 10.1016/j.hlc.2016.12.013. Epub 2017 Feb 11. PMID: 28242289

Atrioventricular Nodal Non Re-Entrant Tachycardia (AVNNT).
Sugumar H, Tung M, Leather R, Lane C, Sterns LD, Novak PG.
Heart Lung Circ.2017 May;26(5):524-525. doi: 10.1016/j.hlc.2016.07.014. Epub 2016 Aug 30. Review. PMID:27769757

Ejectable loop recorders?
Sugumar H, Tung MK, Lane C, Sterns LD, Novak PG, Leather R.
Heart Rhythm.2016 Oct;13(10):2105. doi: 10.1016/j.hrthm.2016.05.027. Epub 2016 May 31. PMID: 27261071

Impact of renal function in patients with multi-vessel coronary disease on long-term mortality following coronary artery bypass grafting compared with percutaneous coronary intervention.
Sugumar H, Lancefield TF, Andrianopoulos N, Duffy SJ, Ajani AE, Freeman M, Buxton B, Brennan AL, Yan BP, Dinh DT, Smith JA, Charter K, Farouque O, Reid CM, Clark DJ; Australia and New Zealand Society of Cardiac and Thoracic Surgeons (ANZSCTS) & Melbourne Interventional Group (MIG).
Int J Cardiol.2014 Mar 15;172(2):442-9. doi: 10.1016/j.ijcard.2014.01.096. Epub 2014 Jan 24. PMID: 24521692

Pericardial tamponade: a life threatening complication of laparoscopic gastro-oesophageal surgery.
Sugumar H, Kearney LG, Srivastava PM.
Heart Lung Circ.2012 Apr;21(4):237-9. doi: 10.1016/j.hlc.2011.08.002. Epub 2011 Sep 1. PMID:21889910

(Completed research) Thesis: Ketamine use in prevention of neuropathic pain at Royal Melbourne Hospital (A/Prof. D BLAKE)

Protocol for the Victorian Spinal cord
service: Methylprednisolone use in Spinal cord injury (with A/Prof. D Brown

CO-AUTHOR & Collaborator:

Alcohol Abstinence in Drinkers with Atrial Fibrillation.
Voskoboinik A, Kalman JM, De Silva A, Nicholls T, Costello B, Nanayakkara S, Prabhu S, Stub D, Azzopardi S, Vizi D, Wong G, Nalliah C, Sugumar H, Wong M, Kotschet E, Kaye D, Taylor AJ, Kistler PM.
N Engl J Med.2020 Jan 2;382(1):20-28. doi: 10.1056/NEJMoa1817591. PMID:31893513

Approach to ablative management of patient with persistent atrial fibrillation and enduring pulmonary vein isolation.
Klaman JM, Sugumar H.
J Cardiovasc Electrophysiol. 2020. Accepted for Publication.

Dynamic Atrial Substrate During High-Density Mapping of Paroxysmal and Persistent AF: Implications for Substrate Ablation.
Wong GR, Nalliah CJ, Lee G, Voskoboinik A, Prabhu S, Parameswaran R, Sugumar H, Anderson RD, McLellan A, Ling LH, Morton JB, Sanders P, Kistler PM, Kalman JM.
JACC Clin Electrophysiol. 2019 Nov;5(11):1265-1277. doi: 10.1016/j.jacep.2019.06.002. Epub 2019 Jul 31. PMID: 31753431

Differentiating Right- and Left-Sided Outflow Tract Ventricular Arrhythmias.
Anderson RD, Kumar S, Parameswaran R, Wong G, Voskoboinik A, Sugumar H, Watts T, Sparks PB, Morton JB, McLellan A, Kistler PM, Kalman J, Lee G.
Circ Arrhythm Electrophysiol. 2019 Jun;12(6):e007392. doi: 10.1161/CIRCEP.119.007392. Epub 2019 Jun 4. PMID: 31159581

Moderate alcohol consumption is associated with atrial electrical and structural changes: Insights from high-density left atrial electroanatomic mapping.
Voskoboinik A, Wong G, Lee G, Nalliah C, Hawson J, Prabhu S, Sugumar H, Ling LH, McLellan A, Morton J, Kalman JM, Kistler PM.
Heart Rhythm.2019 Feb;16(2):251-259. doi: 10.1016/j.hrthm.2018.10.041. Epub 2019 Jan 10. PMID: 30639070

Relation of Alcohol Consumption to Left Ventricular Fibrosis Using Cardiac Magnetic Resonance Imaging.
Voskoboinik A, Costello BT, La Gerche A, Prabhu S, Wong G, Flannery MD, Nalliah C, Sugumar H, Springer F, Kalman JM, Taylor AJ, Kistler PM.
Am J Cardiol.2019 Feb 1;123(3):460-465. doi: 10.1016/j.amjcard.2018.10.026. Epub 2018 Nov 6. PMID:30473327

Regular Alcohol Consumption Is Associated With Impaired Atrial Mechanical Function in the Atrial Fibrillation Population: A Cross-Sectional MRI-Based Study.
Voskoboinik A, Costello BT, Kalman E, Prabhu S, Sugumar H, Wong G, Nalliah C, Ling LH, McLellan A, Hettige T, Springer F, La Gerche A, Kalman JM, Taylor AJ, Kistler PM.
JACC Clin Electrophysiol. 2018 Nov;4(11):1451-1459. doi: 10.1016/j.jacep.2018.07.010. Epub 2018 Sep 26. PMID: 30466852

Cardioversion of atrial fibrillation in obese patients: Results from the Cardioversion-BMI randomized controlled trial.
Voskoboinik A, Moskovitch J, Plunkett G, Bloom J, Wong G, Nalliah C, Prabhu S, Sugumar H, Paramasweran R, McLellan A, Ling LH, Goh CY, Noaman S, Fernando H, Wong M, Taylor AJ, Kalman JM, Kistler PM.

J Cardiovasc Electrophysiol. 2019 Feb;30(2):155-161. doi: 10.1111/jce.13786. Epub 2018 Nov 14. PMID:30375104

Regression of Diffuse Ventricular Fibrosis Following Restoration of Sinus Rhythm With Catheter Ablation in Patients With Atrial Fibrillation and Systolic Dysfunction: A Substudy of the CAMERA MRI Trial.
Prabhu S, Costello BT, Taylor AJ, Gutman SJ, Voskoboinik A, McLellan AJA, Peck KY, Sugumar H, Iles L, Pathik B, Nalliah CJ, Wong GR, Azzopardi SM, Lee G, Mariani J, Kaye DM, Ling LH, Kalman JM, Kistler PM.
JACC Clin Electrophysiol. 2018 Aug;4(8):999-1007. doi: 10.1016/j.jacep.2018.04.013. Epub 2018 Jun 27. PMID: 30139501

Effect of Dietary Factors on Cardiac Rhythm.
Voskoboinik A, Prabhu S, Sugumar H, Kistler PM.

Am J Cardiol. 2018 Oct 1;122(7):1265-1271. doi: 10.1016/j.amjcard.2018.06.019. Epub 2018 Jul 4. Review. PMID: 30075892

Electrical remodelling and response following cardiac resynchronization therapy: A novel analysis of intracardiac electrogram using a quadripolar lead.
Toner L, Flannery D, Sugumar H, Ord M, Lin T, O’Donnell D.
J Arrhythm. 2018 Apr 27;34(3):274-280. doi: 10.1002/joa3.12063. eCollection 2018 Jun. PMID: 29951143

Pulmonary vein activity does not predict the outcome of catheter ablation for persistent atrial fibrillation: A long-term multicenter prospective study.
Prabhu S, Kalla M, Peck KY, Voskoboinik A, McLellan AJA, Pathik B, Nalliah CJ, Wong GR, Sugumar H, Azzopardi SM, Lee G, Ling LH, Kalman JM, Kistler PM.
Heart Rhythm. 2018 Jul;15(7):980-986. doi: 10.1016/j.hrthm.2018.02.029. Epub 2018 Mar 2. PMID: 29501669

Catheter Ablation Versus Medical Rate Control in Atrial Fibrillation and Systolic Dysfunction: The CAMERA-MRI Study.
Prabhu S, Taylor AJ, Costello BT, Kaye DM, McLellan AJA, Voskoboinik A, Sugumar H, Lockwood SM, Stokes MB, Pathik B, Nalliah CJ, Wong GR, Azzopardi SM, Gutman SJ, Lee G, Layland J, Mariani JA, Ling LH, Kalman JM, Kistler PM.
J Am Coll Cardiol. 2017 Oct 17;70(16):1949-1961. doi: 10.1016/j.jacc.2017.08.041. Epub 2017 Aug 27. PMID: 28855115

Long-term survival of elderly patients undergoing percutaneous coronary intervention for myocardial infarction complicated by cardiogenic shock.
Lim HS, Andrianopoulos N, Sugumar H, Stub D, Brennan AL, Lim CC, Barlis P, Van Gaal W, Reid CM, Charter K, Sebastian M, New G, Ajani AE, Farouque O, Duffy SJ, Clark DJ; Melbourne Interventional Group.
Int J Cardiol. 2015 Sep 15;195:259-64. doi: 10.1016/j.ijcard.2015.05.130. Epub 2015 May 22. PMID:26048389

Commotio cordis: a case of ventricular fibrillation caused by a cricket ball strike to the chest.Spencer RJ, Sugumar H, Jones E, Farouque O.
Lancet. 2014 Apr 12;383(9925):1358. doi: 10.1016/S0140-6736(14)60486-4. PMID:24725579

Late-onset ornithine transcarbamylase deficiency: a potentially fatal yet treatable cause of coma.Crosbie DC, Sugumar H, Simpson MA, Walker SP, Dewey HM, Reade MC.
Crit Care Resusc. 2009 Sep;11(3):222-7. PMID:19737127

Prognostic Significance of Suboptimal Secondary Prevention Pharmacotherapy After Acute Coronary Syndromes.
Yudi MB, Farouque O, Andrianopoulos N, Ajani AE, Brennan A, Murphy AC, Lefkovits J, Reid CM, Oqueli E, Sebastian M, Duffy SJ, Clark DJ; Melbourne Interventional Group.
Intern Med J. 2020 Jan 14. doi: 10.1111/imj.14750. PMID: 31943665

Impact of Pre-Procedural Blood Pressure on Long-Term Outcomes Following Percutaneous Coronary Intervention.
Warren J, Nanayakkara S, Andrianopoulos N, Brennan A, Dinh D, Yudi M, Clark D, Ajani AE, Reid CM, Selkrig L, Shaw J, Hiew C, Freeman M, Kaye D, Kingwell BA, Dart AM, Duffy SJ; Melbourne Interventional Group Investigators.
J Am Coll Cardiol. 2019 Jun 11;73(22):2846-2855. doi: 10.1016/j.jacc.2019.03.493. PMID: 31171090

Trends and Impact of Door-to-Balloon Time on Clinical Outcomes in Patients Aged <75, 75 to 84, and ≥85 Years With ST-Elevation Myocardial Infarction.
Yudi MB, Hamilton G, Farouque O, Andrianopoulos N, Duffy SJ, Lefkovits J, Brennan A, Fernando D, Hiew C, Freeman M, Reid CM, Dakis R, Ajani AE, Clark DJ; Melbourne Interventional Group. Am J Cardiol. 2017 Oct 15;120(8):1245-1253. doi: 10.1016/j.amjcard.2017.07.005. Epub 2017 Jul 28. PMID: 28886858

Implant electrical characteristics predict response to CRT.
Lin T, Crosby P, Sugumar Het al.
World Journal of Cardiovascular Diseases, 2014, 4, 513-521. doi:10.4236/wjcd.2014.410062

Our Consultants


Interventional cardiologist specialising in percutaneous coronary intervention (PCI) using transradial approach, and adjunctive antiplatelet and anticoagulant therapy



Cardiac rhythm disorders including AF, suspected SVT and patients in need of pacemakers



Interventional Cardiology, chest pain, syncope, ischaemic heart disease, valvular heart disease & heart failure



Arrhythmia ablation including supraventricular tachycardia, atrial flutter, atrial fibrillation and ventricular ectopy/tachycardia, implants pacemakers, implantable defibrillators, cardiac resynchronisation therapy for heart failure



Our patients of all ages and gender have access to specialised inpatient and outpatient heart and lung care and long-term management of their conditions across Metropolitan Melbourne and Regional Victoria.


Our patients of all ages and gender have access to specialised inpatient and outpatient heart and lung care and long-term management of their conditions across Metropolitan Melbourne and Regional Victoria.

Created by Aaroh Consulting

Created by Aaroh Consulting