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 dissection is listed in the xience xpedition, everolimus eluting coronary stent system (eecss), instructions for use (ifu) 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 to treat a heavily tortuous, mildly calcified left circumflex artery that was 80% stenosed.Pre-dilatation was performed with a 2.0mm balloon and subsequently with 2.5 mm balloon.A 3x12mm xience xpedition stent was implanted without issue.Standard post dilatation was performed with a 3.0mm nc balloon.Afterwards, it was noted there was a proximal edge dissection.A same size xience xpedition was used to successfully treat the dissection.Finally good result shown in angiogram with timi iii flow.There was no adverse patient sequela and no clinically significant delay.No additional information was provided.
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