The device was not returned for evaluation.The reported patient effect(s) of angina and thrombosis is listed in the xience prime everolimus eluting coronary stent systems instructions for use as a known patient effect(s) of coronary procedures.A review of the lot history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.A conclusive cause for the reported patient effect(s), and the relationship to the product, if any, cannot be determined.However, the treatment appears to be related to the operational context of the procedure.There is no indication of a product quality issue with respect to manufacture, design or labeling.
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It was reported that the procedure was performed to treat a 90% stenosed, mildly tortuous, and mildly calcified de novo lesion in the left anterior descending artery.Following pre-dilatation with an unspecified 2.0x12mm non-compliant (nc) balloon catheter at 12 atmospheres (atms) and 14 atms, a 3.0x23mm xience prime stent was deployed at 10 atms.Post-dilation was performed with an unspecified 3.0x15mm nc balloon catheter at 16 atms.Following post-dilation, the patient was shifted to the cardiac intensive care unit and after some time the patient developed chest pain and st changes were observed.The patient was sent to the lab where an angiogram revealed distal thrombosis which was treated with a 3.0x15mm xience v stent.There were no adverse patient sequela and no clinically significant delay in the procedure.No additional information was provided.
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