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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.
The Mitroflow valve, as first manufactured by Mitral Medical in 1982, had to be redesigned because it showed a failure mode similar to the first generation of pericardial valves. Since 1991 a modified version of this valve was introduced and has been used in a large number of patients.