The device was not returned for evaluation.A review of the lot history record and complaint history of the reported lot could not be conducted because the lot number was not provided.The reported patient effects of angina and stenosis are listed in the xience sierra, everolimus eluting coronary stent system (eecss), electronic instructions for use as known patient effects of coronary stenting procedures.A conclusive cause for the reported angina and stenosis, and the relationship to the product, if any, cannot be determined.The subsequent treatment(s) of unexpected medical intervention (additional therapy/non-surgical 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; therefore, no product-related corrective action will be implemented in this case.
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Patient id: (b)(6).It was reported that a 2.5x23 mm xience sierra stent was implanted in the mid left anterior descending (lad) coronary artery on (b)(6) 2020.The patient experienced angina on (b)(6) 2021.On (b)(6) 2022, during a follow up, 75% stenosis was noted in the proximal lad; however, no in-stent restenosis was noted in the xience sierra stent in the mid lad.On (b)(6) 2022, elective intervention was performed to treat the proximal lad and a 3.0x23 mm xience skypoint stent was implanted.The patient was discharged from the hospital the following day.According to the physician¿s opinion, the event is not related to the study as it is a treatment for de novo lesion occurring in the natural history; however, it is unknown if the restenosis was +/- 5 mm from the target lesion.No additional information was provided.
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