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Cardiologist Jonathan Byrne, Private Clinic Treatment, Self Pay Patients

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Dr Jonathan Byrne, Consultant Cardiologist

Specialist Details
Full name

Dr Jonathan Byrne




Consultant Cardiologist



Site specialisation

Coronary angioplasty/stenting, transoesophageal echocardiography

Site specialisation 2
Clinical interests

General cardiology, risk factor management, transradial interventional cardiology, multi-slice cardiac CT, transoesophageal echocardiography

Background Information

Dr Jonathan Byrne is an interventional cardiologist who specialises in the treatment of coronary artery disease. This involves treating with patients with angina, heart failure, heart rhythm disturbances and high blood pressure. 
A large part of Dr Byrne's practice is concerned with the treatment of coronary artery disease including angioplasty and stent procedures. He 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). Dr Byrne 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. 
He continued his training in interventional cardiology at King's College Hospital from 2004, and on Vancouver Island as a Boston scientific sponsored Interventional Fellow. Following his return to the UK in 2007 Dr Byrne completed his training in interventional cardiology, talong with transoeophageal echocardiography and cardiac CT scanning.

Languages spoken

English, French

Regular Cromwell clinics


Clinic days

Mon: Tue: Wed: Thurs: Fri: Sat:

Appointments telephone number

020 7460 5700

Additional Career Information
Year qualified



British Cardiac Society, British Cardiovascular Intervention Society

NHS hospitals

King's College

Research interests

Dr Byrne's research interests include the molecular mechanism 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 from the radial artery.

Key published papers

Seddon M, Melikian N, Dworakowski R, Shabeeh H, Jiang B, Byrne J, Casadei B, Chowienczyk P, Shah AM. Effects of neuronal nitric oxide synthase on human coronary artery diameter and blood flow in vivo. Circulation. 2009;119(20):2656-62. 
Byrne JA, Spence M, Fretz E, Mildenberger R, Chase A, Berry B, PI D, Janssen C, Klinke P, Hilton JD. Body mass index, periprocedural bleeding and outcome following percutaneous coronary intervention (from the British Columbia Cardiac Registry). Am  J Cardiol 2009;103(4):507-11 
Grieve DJ,  Byrne JA*, Siva A, Layland J, Johar S, Cave AC, Shah AM. Involvement of the NADPH oxidase isoform Nox2 in cardiac contractile dysfunction and interstitial fibrosis occurring in response to pressure overload. J Am Coll  Cardiol; 2006:47(4):813-26 *joint first author 
Byrne JA, Grieve DJ, Bendall J, Cave AC, Gove C, Li J-M, Shah AM. Contrasting roles of NADPH oxidase isoforms in pressure overload versus angiotensin II-induced cardiac hypertrophy. Circ Res; 2003:93(9);802-5. 


Media coverage

Our health professionals regularly contribute to hospital publications, as well as national newspaper articles and television coverage.