The incident information was reviewed; however, there was no reported device malfunction and the product was not returned.The reported patient effect of dissection is listed in the xience prime, everolimus eluting coronary stent systems, instruction for use as a known patient effect of coronary stenting 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 effects and the relationship to the product, if any, cannot be determined.Additionally, treatment appears to be related to circumstances of the procedure.There is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.
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It was reported that the procedure was performed to treat a 90% stenosed and mildly calcified de novo lesion in the mid left circumflex artery.Following pre-dilatation, a 3.0x28mm xience prime stent was deployed.After post-dilatation was performed with a 3.0x12mm non-compliant balloon at 14 and 16 atmospheres, a distal edge dissection was noted.A 2.5x38mm xience prime stent was used to successfully treat the dissection.There were no adverse patient sequela and no clinically significant delay in the procedure.No additional information was provided.
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