The device was not returned for analysis.A review of the lot history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to the reported event.Based on the information reviewed, a cause for the reported thrombus cannot be determined.Thrombosis is listed in the instructions for use as a known possible complication associated with mitraclip procedures.The reported unexpected medical intervention was the result of case-specific circumstances.There is no indication of a product issue with respect to manufacture, design, or labeling.The first steerable guide catheter referenced is filed under a separate medwatch report number.
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This is being filed to report the thrombus.It was reported that this was a mitraclip procedure to treat functional mitral regurgitation (mr).During insertion of the steerable guide catheter (sgc); the sgc was not able to advance due to vessel tortuosity.When the sgc was retracted, the soft tip was noted to be squashed.A dilator was used to be able to the new sgc up to the vena cava.In addition, a thrombus was noted on the right side of the septum before crossing the sgc.The thrombus was aspirated before crossing the sgc.The procedure was completed successfully with the new sgc.One clip was implanted, reducing mr to 1-2.There was no adverse patient effect and no clinically significant delay in the procedure.No additional information was provided.
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