Product performance engineering reviewed the incident information; however, there was no reported device malfunction and the product was not returned.A review of the lot history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.The reported patient effect of dissection is listed in the electronic instruction for use everolimus eluting coronary stent systems xience xpedition, xience xpedition sv and xience xpedition ll, ce, as a known patient effect(s) of coronary stenting procedures.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 moderately tortuous, mildly calcified lesion in the left anterior descending artery (lad).The lesion was predilated with an unspecified 2.0mm balloon and a 2.5mm balloon dilatation catheter.A 3.0x18mm xience xpedition stent was implanted.Post-dilatation was performed with an unspecified 3.0mm nc balloon; however, a distal dissection was noted.A 3.0x15mm xience xpedition was used to successfully treat the dissection.Angiogram was perfomed and timi iii flow showed good results.There was no adverse patient sequela and no clinically significant delay in the procedure.No additional information was provided.
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