Patient id: (b)(6).It was reported that on (b)(6) 2020, a percutaneous coronary intervention (pci) was performed on the mid right coronary artery (rca), 70% stenosed lesion.A 3.5x23mm (1500350-23, 9110141) xience sierra stent was implanted distally in the mid rca and a 3.5x18mm (1500350-18, 0012041) xience sierra stent was implanted more proximal in the mid rca.Post-implantation, distal plaque shift occurred within the distal, 3.5x23mm xience sierra stent, along with a non-significant proximal dissection with the 3.5x18mm xience sierra stent.The 3.5x18mm xience sierra was also observed with proximal stent malapposition.Based on the post-stent findings, balloon angioplasty and another stent, a 3.5x12mm (1500350-12, 0011341) xience sierra stent was implanted without an issue reported.Reportedly, the dissection required no treatment.The event resolved without sequela.Timi flow 3 with 0% diameter stenosis was observed and the procedure results were deemed acceptable.No additional information was provided regarding this issue.
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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.It should be noted that the reported patient effect of prolapse is listed in the xience sierra everolimus eluting coronary stent systems instructions for use as a known patient effect of coronary stenting procedures.A conclusive cause for the reported patient effect, and the relationship to the product, if any, cannot be determined.Based on the information reviewed, there is no indication of a product quality issue with respect to manufacture, design or labeling.
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