Mr Leon Hadji-Nikolaou

Consultant Cardiac Surgeon

MD, FRCS

I am one of the most senior cardiac surgeons in United Kingdom, having performed more than 4,000 heart operations in UK with outstanding clinical results. I have been awarded as one of the very few surgeons with the highest survival rate in UK for five consecutive years.

I have a vast experience in all fields of cardiac surgery, including coronary bypass surgery, aortic and mitral valve surgery, and aortic aneurysms. My special interest is in complex aortic surgery, where I developed a unique surgical technique to make aortic surgery simpler and suitable for all ages and all levels of frailty. I am one of the three specialist cardiac surgeons treating aortic dissections in Leicester.

I have been working in University Hospitals of Leicester NHS Trust for 24 years and have served as Head of Cardiac Service and Dep. Clinical Director and I am currently the Clinical Audit Lead. I am a national expert in complex aortic surgery (aortic aneurysms).

I grew up in Athens, Greece, where I achieved my medical degree and served as a doctor in the Greek Navy for two years. I was trained as a Cardiac Surgeon in St Mary’s Paddington, Royal Brompton and National Heart, Guys Hospital, St Barts and London Chest in London. Since them I have held a consultant post in Huddinge Hospital at Karolinska Institute in Stockholm, Sweden, and have worked as Senior Lecturer in University of Leicester for three years.

I have a passion with national and local politics and has been a County and a Borough councillor for many years, serving in a number of scrutiny committees.

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Treatment information

Some of the principal treatments carried out by Mr Leon Hadji-Nikolaou at Spire include:

Cardiac surgery

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Additional information

MBChB / University of Patras, Greece / 1985
Bachelor of Medicine, Bachelor of Surgery

MD / University of Athens, Greece / 1993
Medical Degree Thesis

CCT / Greek National Board, Athens, Greece / 1994
Cardiothoracic Surgery

FRCS / Royal College of Surgeons of England / 2002
Fellowship of the Royal Colleges of Surgeons


Professional memberships

Royal College of Surgeons

Society of Cardiothoracic Surgery of Great Britain and Ireland

British Medical Association

General Medical Council

Medical Protection Society


Professional leadership

Consultant Honorary Senior Lecturer, Cardiac Surgery at University of Leicester, Glenfield Hospital
Chairman of Medical Staff Committee at University of Leicester, Glenfield Hospital