(b)(4).Device is a combination product.Device evaluated by mfr: it is indicated that the device will not be returned for evaluation.A review of the batch history, historical trending, and similar complaint trending review for the product family will be conducted.If there is any further relevant information from that review, a supplemental medwatch will be filed.(b)(4).
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(b)(4).It was reported that in-stent restenosis (isr) occurred.In (b)(6) 2014, the patient's qualifying condition was the admission due to myocardial infarction (mi).The patient underwent an urgent percutaneous coronary intervention (pci).The target lesion was a de novo lesion located in the mid left anterior descending (lad) with 100% stenosis.It was 24 mm long, with a reference vessel diameter of 3.0 mm.Thrombus was present.The thrombolysis in mi was(timi) 0 flow.The target lesion was treated with pre-dilatation of a 2.5mm balloon catheter at 12 atmospheres and placement of a 3.0x32mm promus premier¿ drug eluting stent.Post-dilatation was performed using a 3.5mm balloon catheter at 16 atmospheres.There was 0% residual stenosis.The thrombolysis in mi was (timi) 3 flow.Three days post procedure, the patient was discharged on aspirin and clopidogrel.In (b)(6) 2015, the patient was diagnosed with a life- threatening non st-segment elevation myocardial infarction (nstemi), which required hospitalization.The patient experienced severe shortness of breath and some chest discomfort which began approximately 3 hours prior to admission.The patient was diagnosed with a pulmonary edema due to ischemic cardiomyopathy and respiratory failure, which required intubation.In addition, an electrocardiogram (ecg) revealed a new left bundle branch block and the patient was hypertensive.Subsequently, coronary angiography was performed and revealed a widely patent stent in the proximal portion of lad.The mid-portion of the lad, which had been previously stented with 3.0x32mm promus premier¿ drug eluting stent, had some diffuse isr with approximately 40% narrowing.No revascularization was performed.The patient was treated in the intensive care unit (icu) with mechanical ventilation, diuresis, intravenous nitroglycerin, beta blockers, an ace inhibitor, and a statin.Four days from admission, the patient was extubated.Three days later post procedure, the event was considered resolved and the patient was discharged on aspirin and clopidogrel.
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