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Dr Brendan Gunalingam


  • Cardiology

Dr Brendan Gunalingam is an experienced Interventional Cardiologist with over 18 years experience in complex coronary interventional procedures, along with experience in structural heart interventions and certain peripheral interventions. He is also an International Proctor for LAA occlusion with the ‘Watchman’ device.

Techniques that he specialises in include: 

  • Diagnostic Coronary Angiography and Right Heart Catheterisation
  • Coronary Angioplasty and Stent procedures
  • Rotational Atherectomy
  • FFR and IVUS assessment of coronary vasculature
  • Chronic Total Occlusion revascularisation
  • ASD and PFO closure
  • Left Atrial Appendage closure procedures and valvuloplasties.  

He also holds Level B Accreditation as a CTCA Specialist, and is experienced in non-invasive cardiovascular evaluation including stress testing, transthoracic echocardiography and holter monitor evaluation.

Dr Gunalingam attended The Sydney Grammar School in Sydney and completed his Higher School Certificate in 1986. His Undergraduate Medical Degree was with The University of Sydney and he graduated from there with a MBBS in 1993.  

His basic Physician training was undertaken at The Royal North Shore Hospital in Sydney. This was followed by Cardiology Advanced Training at St Vincent’s Hospital.  Fellowship of The Royal Australasian College of Physicians was conferred in 2000 when he was admitted to Fellowship as a Cardiologist.  

Post Graduate Interventional training was then undertaken at St Vincent’s Hospital for a year followed by a second year at The Eastern Heart Clinic, Prince of Wales Hospital in Sydney.  He then went overseas for further Interventional training and to also work as a Consultant Interventional Cardiologist at The Cork University Hospital, Cork, Ireland.  

Dr Gunalingam returned to Australia in 2002 and has been working as an Interventional Cardiologist in several hospitals since. He currently holds Public Hospital appointments at St Vincent’s Public Hospital, Gosford District Hospital and Wyong Hospital. He holds Private Hospital appointments at St Vincent’s Private Hospital and Gosford Private Hospital.  

He is currently the Director of the Cardiac Catheterisation Laboratory at Gosford Private Hospital. He is a Fellow of The Cardiac Society of Australia and New Zealand and a Fellow of The Society for Cardiovascular Angiography and Interventions (USA).

Dr Gunalingam is widely published. His most recent research has included works on: 

  • Nickel hypersensitivity reaction following Amplatzer atrial septal occluder device deployment successfully treated by explanation of the device.
  • The Uptake of coronary fractional flow reserve in Australia in the past decade.  
  • Left Atrial Appendage Closure Guided by Personalized 3D-Printed Cardiac Reconstruction. 
  • Application of Mimics three-dimensional imaging in percutaneous left atrial appendage closure with Watchman system. 
  • Left atrial appendage occlusion with the Watchman device in a patient with paroxysmal atrial fibrillation who is intolerant of all forms of anticoagulation because of hereditary haemorrhagic telangiectasia. 
  • Percutaneous Left Atrial Appendage Occlusion with a Watchman Device Following Recurrent Stroke on Warfarin and Rivaroxaban in a Patient with Paroxysmal Atrial Fibrillation. 
  • Iatrogenic coronary arteriovenous fistulae during percutaneous coronary intervention: unique insight into intra-procedural management. 
  • A rare coronary anomaly 
  • A novel buddy balloon technique to cross a t-stented bifurcation. 
  • Percutaneous Coronary Interventions without On-Site Cardiac Surgery:  A remote Australian Experience.

Dr Gunalingam has also published and presented at a range of International Scientific Meetings, and is the Principal Investigator for Clinical Trials in: 

  • Atrial natriuretic peptide secretion following percutaneous closure of the left atrial appendage.
  • Co-investigator for multi-centre Interventional trials conducted in St Vincent’s cardiac catheterisation lab

As well as being the Principal and Co-investigator for recent and currently active multi-centre cardiology trials at Gosford Hospital.


23 Watt Street, Gosford NSW 2250

Phone: 02 4324 6050
Fax: 02 4324 6051
Email: [email protected]