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.A definitive cause for the thrombosis could not be determined.The patient effect of thrombosis, as listed in the mitraclip system instructions for use, are known possible complications associated with mitraclip procedures.A conclusive cause for the reported patient effects and the relationship to the device, if any, cannot be determined.There is no indication of a product issue with respect to manufacture, design, or labeling.
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This is being filed to perform thrombosis and medical intervention.It was reported that this was a mitraclip procedure to treat functional mitral regurgitation (mr) with a grade of 3.It was noted restricted posterior and dilated left atrium.The transseptal puncture was performed and then the steerable guide catheter (sgc) was advanced to the left atrium; however, thrombus was observed on the sgc tip.The patient was given an additional dosage of heparin and aspirations were performed to remove the thrombus.The sgc was retracted back to the right atrium, and the thrombus was resolved.The procedure was aborted and the patient is stable.No clips were implanted, and mr is 3.There was no clinically significant delay in the procedure.
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