The device was not returned for analysis.A review of the lot history record revealed no manufacturing nonconformities issued to the reported lot that would have contributed to this event.The investigation was unable to determine a cause for the reported pericardial effusion.Pericardial effusion is listed in the instructions for use is a known possible complication associated with mitraclip procedures.The reported unexpected medical intervention was a result of case specific circumstance as pericardiocentesis was performed to treat the pericardial effusion.There is no indication of a product issue with respect to manufacture, design, or labeling.
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It was reported that a mitraclip procedure was performed to treat functional mitral regurgitation (mr) with a grade of 3 and a pre-existing 0.2 cm pericardial effusion.A transseptal needle was inserted and advanced, and several attempts for transseptal puncture were performed, the pericardial effusion measured at 0.3cm.A steerable guide catheter (sgc) and mitraclip ntw were inserted and advanced to the mitral valve without issues.The mitraclip implanted without issues.The procedure was completed with 1 clip implanted, reducing the mr to a grade of 1.However, three hours post procedure, the pericardial effusion worsened.To treat the pericardial effusion, pericardiocentesis was performed.It was noted that there were no device malfunctions and no allegations against any abbott products.There was no clinically significant delay in the procedure.
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