It was reported that a mitraclip procedure was performed to treat mixed mitral regurgitation (mr) with a grade of 3-4.A transseptal needle was advanced, but while measuring the height under echocardiography, the transseptal was unable to viewed.Therefore, the transseptal needle was prepared again, and while preparing the puncture, a pericardial effusion was observed.In the physician¿s opinion, the pericardial effusion was not severe, and therefore, the procedure was continued.After the puncture, a steerable guide catheter (sgc) was inserted and the mitraclip inserted and were advanced to the mitral valve.However, echocardiography revealed that the pericardial effusion worsened.It was noted that it was likely due to the sgc as it was introduced too far into the left atria.Therefore, the sgc and mitraclip were removed from the patient and the procedure was discontinued.The pericardial effusion was treated.No clips were implanted.The mr remained at a grade of 3-4.There was no clinically significant delay in the procedure.
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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.Based on available information, a cause of the reported pericardial effusion could not be determined.The reported patient effect of pericardial effusion, as listed in the mitraclip system instructions for use, is a known possible complication associated with mitraclip procedures.The reported unexpected medical intervention was 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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