Mr Mario Petrou

Mr Mario Petrou


Cardiothoracic Surgery

29 years of experience

Languages spoken

  • English
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Registered with

  • General Medical Council: 3486870
  • Royal College of Surgeons: 3486870
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    Practices worked at

    One Heart Clinic

    68 Harley Street, Marylebone, United Kingdom, W1G 7HE
    281 reviews

    The Harley Street Clinic

    35 Weymouth Street, london, United Kingdom, W1G
    86 reviews

    Royal Brompton Hospital Private Care

    Sydney Street, London, United Kingdom, SW3 6NP
    31 reviews

    Royal Brompton Private Outpatients & Diagnostics

    77 Wimpole Street, London, United Kingdom, W1G 9RU
    105 reviews


    Mr Mario Petrou attended University College London attaining his MBBS in 1990, he then went on to achieved his PhD in 1996. He was a cardiothoracic trainee at the Royal Brompton Hospital from 1997 to 2002 before being appointed a Consultant Cardiac Surgeon in 2002.

    After this, he moved to John Radcliffe Hospital in Oxford in 2011. He was Head of Programme for Complex Aortic Surgery and Clinical Lead for Cardiac Surgery in Oxford before returning to the Royal Brompton Hospital in 2019. 

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    Medical procedures

    • Mitral and tricuspid valve surgery
    • Mitral valve repair surgery – complex bi-leaflet repair including, artificial neochordae, resection and non-resectional techniques, annuloplasty ring insertion
    • Mitral valve replacement – mechanical and bioprosthetic
    • Tricuspid valve repair or replacement
    • Re-do mitral and tricuspid valve surgery
    • AF ablation and left atrial appendage exclusion (concomitant to mitral valve surgery)
    • Aortic valve and aortic root surgery
    • Aortic valve replacement – conventional and mini-incision
    • Aortic valve cusp repair techniques
    • Valve sparing aortic root replacement for Marfan Syndrome (Re-implantation and Remodeling techniques)
    • PEARS procedure for Marfan Syndrome
    • The Ross operation in young adults
    • Aortic root enlargement
    • Complex re-do aortic root surgery for endocarditis (incl. homograft insertion)
    • Major intra-thoracic aortic surgery
    • Aortic root and ascending aortic aneurysm repair
    • Replacement of the aortic arch (Elephant trunk procedure)
    • Replacement of the proximal descending aorta
    • Coronary artery bypass grafting


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    Special interests

    • Cardiology
    • Heart valve surgery
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    • PhD
    • FRCS (CTh)
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