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 the reported issue.Based on the available information, a cause of the reported atrial perforation could not be determined.The cause of the reported hypotension could not be determined.The reported patient effect of atrial perforation and hypotension as listed in the mitraclip system instructions for use are known possible complications associated with mitraclip procedures.The reported hospitalization and required medication were a result of case-specific circumstances.There is no indication of a product quality issue with respect to manufacture, design or labeling.
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This is filed to report after the procedure an atrial septal dissection was noted.It was reported that this was a mitraclip procedure to treat mixed mitral regurgitation (mr) with a grade of 4+.There was some difficulty during transseptal puncture but was achieved.The steerable guide catheter (sgc) was advanced without issue and placed in position.Two clips implanted successfully, reducing mr to 1+.The patient was stable.However, the next day the patient blood pressure dropped, and it was noted that an atrial septum dissection had occurred.There is a possibility that it could have occurred during transseptal puncture and the sgc could have worsened it.The physician commented that this was a rare entity.There was no treatment performed for the atrial septal dissection.The patient remained hospitalized for monitoring and medication was administered for the hypotension.The clips remained stable on both leaflets and mr remained at 1+.No additional information was provided.
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