Edwards received notification from a field clinical specialist that during a transseptal mitral valve in ring, two 23 mm s3u valves were implanted.As reported, this was a vir procedure with stenotic edwards annuloplasty ring.The operator requested to use 16fr sheath to allow for smooth removal of valve/ds if unable to cross septum.The first 23 mm s3u valve was implanted successfully with a 90/10 position.Upon removal of ds, leaflet disruption was noted by tee showing moderate mr.The operator made the decision to implant a second 23 mm s3u valve.Tee assessment showed none/trace mr post implant of second valve.
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The device was not returned for evaluation as it was remained implanted/discarded.Therefore, a no product return engineering evaluation was performed.A review of edwards lifesciences risk management documentation was performed for this case.The reported event is an anticipated risk of the transcatheter heart valve procedure, additional assessment of the failure mode is not required at this time.The complaints valve central regurgitation and leaflet motion restricted were unable to be confirmed as no imagery/ medical record was provided for evaluation.A review of dhr did not indicate any manufacturing nonconformance that could have contributed to the reported event.A review of the ifu and training manuals revealed no deficiencies.During the manufacturing process, all sapien 3 ultra valves are 100% visually inspected for defects and 100% tested for proper coaptation under physiological backpressure conditions prior to release for distribution.Therefore, it is highly unlikely that a manufacturing defect or device malfunction contributed to the event.Per an edwards' technical summary, the cause of regurgitation varies depending upon multiple factors.Potential root causes for central regurgitation at time of implant includes valve malposition, slow recovery of blood flow, leaflet impingement due to calcification (for native landing zone), leaflet impingement due to guidewire, overinflation/ post-dilation, and under expansion.Typically, mild regurgitation is not unusual after initial valve replacement, and is usually tolerated by patients.Often moderate to high regurgitation requiring reoperation in the immediate post-operative period is due to patient and procedural related issues and is unrelated to the device.However, advances in valve design and bioprosthetic material have been made with the intention of reducing central leaks by providing more efficient hemodynamics and longer tissue durability.As reported, ''the first 23mm s3u valve was implanted successfully with a 90/10 position.Upon removal of ds, leaflet disruption was noted by tee showing moderate central mitral regurgitation (mr)''.Additionally, the delivery system balloon fluid was adjusted with additional 3cc.In this case, the additional volume may overexpand the deployed valve resulting in the leaflet motion restricted and improper leaflet coaptation or central regurgitation.As such, available information suggests that procedural factors (valve over expanded) may have contributed to the complaint event.The technical summary is applicable to this event because it reports of central regurgitation and leaflet motion restricted noted at time of the implant and likely related to procedural factors.Since no labeling or ifu/training inadequacies were identified; no corrective/preventive action nor product risk assessment (pra) is required.Complaint histories for all reported events are reviewed against trending control limits monthly, and any excursions above the control limits are assessed and documented as part of this monthly review.
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