The device was not returned to edwards for evaluation as it remains implanted.The device history record (dhr) review could not be performed as the serial number is unknown.Attempts to retrieve additional information is in process.If additional information is received a supplemental mdr will be submitted.Svd, a common reason for bioprosthesis explant or reoperation, encompasses multiple failure modes, including calcific and non-calcific degeneration, dehiscence, cusp thickening or fibrosis, or a combination of these.Such failure modes, occurring singularly or concomitantly, may contribute to stenosis and/or regurgitation.The cause of the event cannot be determined; however, patient factors and progression of patient's underlying valvular disease may have contributed to the event.Edwards will continue to review and monitor all events.Trends are monitored on a monthly basis and if action is required, appropriate investigation will be performed.
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It was learned a patient with a 25mm mitral valve implanted in the mitral position for five (5) years, six (6) months, underwent valve-in-valve procedure due to valve degeneration.A 26mm transcatheter valve was successfully implanted within the surgical edwards valve using the transapical access with good result.
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