Mr Mario Petrou

Mr Mario Petrou


Cardiothoracic Surgery

Overall Rating



Bedside Manner




Top feedback

“An excellent cardiac surgeon“
Read more

Languages spoken

  • English
Show more

Registered with

  • General Medical Council: 3486870
Show more

    Practices worked at

    The Harley Street Clinic

    35 Weymouth Street, london, United Kingdom, W1G
    750 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. 

    Diseases, Medical Tests and Treatments

    • 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
    • Cardiology
    • Heart valve surgery

    It is important that HCA is transparent about our relationship with those doctors who provide us with clinical guidance on delivering the best possible care to patients and operating our hospitals safely and efficiently. We set out here some of the ways in which we work together and the amount we pay this doctor for such services.

    Read more

    Medical procedures

    • Artificial Heart Valve Surgery
    • Atrial Septal Defect Repair
    • Cardiac Re-synchronisation Therapy
    • Coronary Artery Surgery
    • Heart Bypass Surgery
    • Minimally Invasive Heart Surgery
    Read more

    Special interests

    • Arrhythmia (Irregular Heartbeat)
    • Atrial Septal Defects (ASD)
    • Ventricular Septal Defects (VSD)
    Read more


    • PhD
    • FRCS (CTh)
    Read more


    5 Overall Patient Trust rating
    Overall Experience
    Bedside Manner
    Artificial Heart Valve Surgery
    Read more
    Sort by:
    Bedside Manner
    Patient seen for:
    Artificial Heart Valve Surgery
    An excellent cardiac surgeon
    Read more
    Other Reviews


    Powered by Doctify
    Promoting trust & transparency in healthcare