It was learned from the implant patient registry that a 34mm mitral ring was explanted and replaced with a 30mm mitral ring after an implant duration of 1 year, 9 months due to regurgitation.The perceived root cause of the event is due to structural deficiency/damage of the annuloplasty ring.The patient was stable in the icu post procedure.Edwards lifesciences maintains an implant patient registry.This registry is a patient tracking mechanism for serialized edwards implantable devices (bioprosthetic heart valves and annuloplasty rings), rather than a true post-market surveillance registry.Through the registry, edwards is notified when these devices are implanted.In addition, patient and/or device status may be reported to the registry via the implantation data cards.The information is received from various sources (e.G.Surgeon, hospital and patient family members) and is not received in the form of a conventional "customer complaint." the information reported may or may not be related to the edwards device.
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There is evidence of device-related harm or structural deficiency of the ring that could cause or contribute to a serious injury.The device was not returned for evaluation, as device request is still ongoing.The investigation is still in progress; therefore, a conclusion has yet to be established.A supplemental report will be submitted accordingly upon investigation completion.
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The most likely cause is patient factors, including progression of the patients valvular disease.The device history record (dhr) was reviewed and showed that this device met all manufacturing and sterilization specifications for product release prior to distribution.No issues were identified that would have impacted this 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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