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.The reported patient effect(s) of angina and intimal dissection are listed in the xience sierra everolimus eluting coronary stent systems instructions for use as known patient effect(s) of coronary stenting procedures.A conclusive cause for the reported patient effect(s), and the relationship to the product, if any, cannot be determined.There is no indication of a product quality issue with respect to manufacture, design or labeling.
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(b)(6).It was reported that on (b)(6) 2020 the 3.5x15 mm xience sierra stent was implanted in the mid left circumflex coronary (lcx) artery.The patient had a dissection after stenting that was angiographically visible but considered minor by the investigator.The patient had chest pain during the evening without ecg (electrocardiogram) modifications.On (b)(6) 2020 the patient had an elevation in cardiac enzymes, but no treatment was performed.On (b)(6) 2020, the patient had a new coronary angiography which showed that the dissection had worsened.The patient had two stents to revascularize the lcx on (b)(6) 2020.No additional information was provided.
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