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Regurgitation/insufficiency which develops progressively over time can be due to a number of issues including patient-related factors or structural valve deterioration.Structural valve deterioration (svd) is the most common reason for bioprosthesis explants and encompasses multiple failure modes, including calcification, non-calcific degeneration, dehiscence, cusp thickening or fibrosis, or a combination of these.Such failure modes may occur singularly or concomitantly.Regurgitation may also develop progressively if host fibrotic tissue, or pannus, grows onto the bioprosthetic valve.Pannus, a cause of nonstructural dysfunction, may interfere with the functionality of the device by restricting the leaflet motion leading to abnormal coaptation.Alternatively, nonstructural dysfunction (nsvd) may also play a role in the development of valvular stenosis and/or regurgitation.The root cause of this event cannot be conclusively determined with the available information.However, the regurgitation, in this case, was most likely impacted by the progression of the patient's underlying valvular disease pathology with or without structural valve deterioration and/or nonstructural dysfunction.In addition, other patient risk factors such as the patient's younger age at implant may have contributed to this event.The subject device is not available for evaluation, as it remains implanted in the patient.The device history record (dhr) review was completed and this device passed all manufacturing and sterilization inspections prior to release for distribution.There were no issues 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, an appropriate investigation will be performed.
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It was reported that a patient with a 29mm 3000 aortic valve, implanted in the pulmonary position, underwent a valve-in-valve after an implant duration of nine (9) years, 11 months due to pulmonary insufficiency.The tpvr was performed with a 29mm 9600tfx.On pod #1, the patient was discharged home in stable condition.
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