Medtronic received information via literature study regarding the immediate and midterm outcomes of non medtronic percutaneous transvenous transcatheter mitral valve, that had been implanted into a failed surgical bioprosthetic mitral valve or mitral ring.All data was collected from multiple centers from january 2014 to december 2015.The study population included 48 patients (predominately female, mean age 76 ± 11 years) that were implanted with a non-medtronic transvenous transcatheter mitral valve.However, it was reported that the non-medtronic product had been implanted into 12 mosaic valves, 8 medtronic hancock valves and 1 duran ring (serial numbers not provided).No deaths were attributed to a medtronic device.Among the patient with a previously implanted duran ring, adverse events included; stenosis, mild regurgitation and calcification, treated with the implant of a non-medtronic device.No adverse patient effects were reported.
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