(b)(4): during processing of this complaint, attempts were made to obtain complete event, patient and device information.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 effects of angina, headache, and stenosis are listed in the xience v everolimus eluting coronary stent system instructions for use as known patient effects of coronary stenting procedures.Based on the case information and related record review, a conclusive cause for the reported patient effects, and the relationship to the product, if any, cannot be determined; however the reported treatments appear to be related to circumstances of the procedure.Based on the information reviewed, there is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.The other device referenced is being filed under a separate medwatch report.
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It was reported that on (b)(6) 2011, the patient underwent a coronary stenting procedure with implantation of a 2.75 x 28 mm xience v stent in the proximal left anterior descending (lad) artery, a 2.75 x 28 mm xience v stent in the mid right coronary artery (rca) and a 2.5 x 23 mm xience v stent in the distal rca.On (b)(6) 2016, the patient began experiencing headaches with chest pain for about 1 month.On (b)(6) 2016, the patient was re-hospitalized with headache and chest pain.Troponin levels were elevated.Coronary angiography confirmed in-stent restenosis; however, a device malfunction, such as stent fracture or collapse, could not be confirmed.Intervention was performed on (b)(6) 2016 at the stent located in the mid rca.The patient condition resolved on (b)(6) 2016 and was discharged before echocardiography could be performed to see if a device issue occurred.No additional information was provided.
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