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 event.Based on the available information, a cause for the reported thrombosis could not be determined.The reported patient effect of thrombosis is listed in the mitraclip system instructions for use, and is a known possible complication associated with mitraclip procedures.There is no indication of a product quality issue with respect to manufacture, design or labeling.
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This is being filed to report the thrombus requiring intervention.It was reported that this was a mitraclip procedure to treat functional mitral regurgitation (mr) with a grade of 4.The steerable guide catheter (sgc) was advanced to the right atrium (ra) where a large organized thrombus was observed.The sgc was removed and thrombectomy was performed using an aspiration device.After the thrombus was removed, the sgc was reinserted and the procedure continued.Two clips were implanted, reducing mr to 1-2.There was no clinically significant delay in the procedure and no adverse patient sequela.No additional information was provided.
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