The device was not returned for evaluation.A review of the lot history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.Based on the information reviewed, there is no indication of a product quality issue.The reported patient effect of intimal dissection is listed in the xience prime / xience prime small vessel (sv), and xience prime long length (ll), everolimus eluting coronary stent system (eecss), instructions for use as a known patient effect of coronary stenting procedures.A conclusive cause for the reported patient effect(s), and the relationship to the product, if any, cannot be determined; however, the subsequent 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 of the device.
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It was reported that the procedure was performed to treat a 95% stenosed, moderately calcified de novo lesion in the left anterior descending artery (lad).The lesion was predilated with an unspecified 1.5x12mm semi-complaint balloon dilatation catheter at 12 and 14 atmospheres (atms).A 3.0x33mm xience prime stent was implanted.Post-dilatation was performed with an unspecified 3.0x15mm nc balloon dilation catheter at 16 atms; however, a distal edge dissection was noted.A 2.75x38mm xience prime stent was used to successfully cover the dissection.There was no adverse patient sequela and no clinically significant delay in the procedure.No additional information was provided.
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