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Dr Jonathan Byrne: Consultant Cardiologist, London

Jonathan Byrne
Consultant Cardiologist, London: Dr Jonathan Byrne

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.


Cardiologist in London: Professional training

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 in cardiology

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.   


Key cardiovascular procedures performed

  • 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.

Consultation fees

  • Standard new patient consultation fee: £220
  • Discounted fee for new patients who are referred through Intuition: £198

GMC registration details 


GMC number:


Check this doctor’s GMC registration

Date of registration:

04 Aug 1995


Accreditation and admitting rights at private hospitals  

Dr Jonathan Byrne is an accredited consultant for the UK's leading private healthcare providers and private hospitals including HCA Hospitals.

HCA admitting rights


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Contact details

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London Bridge Hospital

29 Tooley Street



Secretary; Kelly Edgar

Email: kellyedgar@hcaconsultant.co.uk

or private@jonathanbyrne.co.uk

Tel: 02070348972


Kings College Hospital contact details: NHS treatment

Tel: 020 3299 5945

Email: jonathan.byrne@nhs.net  


Qualifications and memberships


  • PhD

  • FRCP

  • MB ChB


Professional memberships


Places of work

Harley Street Clinic,
35 Weymouth Street
, London

Consulting times: Wednesday pm


London Bridge Hospital,
27 Tooley Street,
, SE1 2PR

Consulting times: Thursday am