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Percutaneous Mitral Valve Repair. Percutaneous mitral valve repair (MVR) is a minimally invasive technique employed for treating mitral regurgitation (MR). The mitral valve is situated between the two left chambers (left atrium and left ventricle) of the heart.
Mini-Mitral Repair. Currently at The Johns Hopkins Hospital, the most commonly employed minimally invasive approach to the mitral valve is a âmini-thoracotomyâ which consists of a 3 inch incision made through the right side of the chest between the ribs.