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Jonathan Byrne

Consultant Cardiologist

, London

020 7... Reveal phone no. >

Jonathan Byrne: Consultant Cardiologist in London

Dr Jonathan Byrne is a Consultant Cardiologist at King's College Hospital in London. A specialist in interventional cardiology, he provides private treatment of coronary artery disease at London Bridge Hospital and Bupa Cromwell Hospital.

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Professional training

Dr Byrne is currently the Clinical Director of Cardiovascular services at King’s College Hospital. He completed his undergraduate medical training in Bristol and 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.

Dr Byrne's 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 King,s College Hospital, with the use of novel percutaneous techniques to treat aortic and mitral valve disease.

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As well as treating patients with angina, heart failure, arrhythmias 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.

Specialises in

  • Cardiac CT
  • Coronary angioplasty
  • Coronary angiography
  • Hypertension
  • Transcatheter aortic valve implantation
  • Transoesophageal echocardiography

Key procedures

  • Percutaneous coronary intervention: 350 procedures / year
  • Coronary angiograms: 500+ / year
  • Transcatheter aortic valve implants: 40 / year

Dr Byrne reported 350 procedures in the year 2011 with a complication rate of less than 1% for elective procedures.

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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, with interventional, catheter-based treatment of artery or valve disease forming the mainstay of his clinical practice. This includes the treatment of narrowed, diseased heart arteries with angioplasty and stents, the majority of procedures being performed through the wrist.

As well as percutaneous coronary intervention, Dr Byrne’s clinical interests also include transoesophageal echocardiography and cardiac CT. He has been involved in the development of the structural programme at Kings College Hospital, with the use of novel percutaneous techniques to treat aortic (TAVI) and mitral valve disease. 

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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 from the radial artery in the wrist.  

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Accreditation and admitting rights

Jonathan Byrne is an accredited consultant for the following hospitals, clinics and groups...

Professional details



Qualified in 1996 in United Kingdom

Registrations and licensing

  • General Medical Council (GMC)

    Registration no.: 4183161
    Date of registration: 04-Aug-1995

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Memberships and associations

Jonathan Byrne is a member of the following professional associations and organisations...

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