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Dr Jonathan Byrne

Dr Jonathan Byrne
Job title
Consultant Cardiologist
Primary specialtyCardiology
Year qualified
Date of GMC registration (dd/mm/yyyy)
Pen Picture
Dr Jonathan Byrne is an interventional cardiologist who specialises in the treatment of coronary artery disease. This involves the treatment of patients with angina, heart failure, heart rhythm disturbances and high blood pressure.

Dr Byrne also treats patients with valvular heart disease with new treatments which do not require an operation, such as TAVI (transcatheter aortic valve implantation) and Mitraclip (percutaneous treatment of the mitral valve). He performs a number of imaging tests for the heart including transoesophageal echocardiography and cardiac CT scanning.

Dr Byrne completed his undergraduate medical training in Bristol and then continued general professional medical training in the South-East of England and London. He then undertook a PhD in the academic department of Cardiology at King’s College Hospital examining molecular mechanisms underlying left ventricular hypertrophy. Following completion of his PhD Dr Byrne undertook specialist training in Cardiology on the South Thames rotation.

His training in interventional cardiology was undertaken at King’s College Hospital from 2004, and continued on Vancouver Island as a Boston scientific sponsored Interventional Fellow. Following his return to the UK in 2007 he completed his training in interventional cardiology, along with transoeophageal echocardiography and cardiac CT scanning. Since his appointment as a consultant in July 2008 he has also been involved in the development of the structural programme at Kings College Hospital, with the use of novel percutaneous techniques to treat aortic and mitral valve disease.
Clinical interests
Dr Byrne's general cardiology interests include the assessment and treatment of coronary and valvular heart disease and risk stratification. He also treats hypertension and general heart rhythm disturbances. Interventional, catheter based treatment of artery or valve disease forms the mainstay of his clinical practice. This includes the treatment of narrowed, diseased heart arteries with angioplasty and stents, with the majority of procedures performed form the radial (wrist). In the past few years, the catheter based treatment of valvular heart disease has formed a much larger proportion of my clinical practice, with percutaneous treatment of the aortic valve (TAVI) and mitral valve (Mitraclip). Dr Byrne's clinical interests also include transoesophageal echocardiography to assess structural heart disease, and cardiac CT scanning to screen and assess patients with potential coronary disease.
Research interests
Dr Byrne's research interests have included the molecular mechanisms which underlie the development of left ventricular hypertrophy, and the application of coronary physiology in an interventional setting. His research has also explored the differences and potential advantages of intervention performed form the radial artery.  
Professional memberships
Royal College Of Physicians
British Cardiovascular Society
British Cardiovascular Intervention Society
Royal Society Of Medicine
British Medical Association
Medical Defence Union
No. of key procedures performed
Percutaneous coronary intervention: 350 procedures / year

Coronary angiograms: 500+ / year

Transcatheter aortic valve implants: 40 / year
Outcome Data/Success Rates
350 procedures in the year 2011; <1% complication rate for elective procedures
NHS Hospital
Kings College Hospital
Private hospital/Private clinic
London Bridge Hospital
29 Tooley Street
29 Tooley Street
Greater London
United Kingdom
Private practice tel:
07970 616132
Call for appointments:
020 7034 8972
020 7034 8783