It was reported that in stent thrombosis and restenosis occurred.The subject was enrolled in the (b)(6) study on (b)(6) 2016 and the index procedure was performed on the same day.The target lesion was located in the left distal superficial femoral artery (sfa) extending in to proximal popliteal artery with 100% stenosis and was 98 mm long with a proximal reference vessel diameter of 5.80 mm and distal vessel diameter of 6.00 mm and was classified as tasc ii c lesion.The target lesion was treated with pre-dilatation and placement of a 6 x 120 mm study stent.Following post-dilatation, residual stenosis was 25%.On (b)(6) 2016, the subject was discharged on dual antiplatelet therapy.On (b)(6) 2019, the subject visited hospital as an outpatient with the complaint of lower extremity pain.Echography was performed the same day which revealed total occlusion in the left sfa.Additionally, ankle-brachial pressure index (abi) was also done which measured abi index of 0.79 and 0.49 on right and left side respectively.The subject was scheduled for hospitalization on (b)(6) 2019 for performing further tests and treatment.On (b)(6) 2019, the subject was hospitalized and subsequently, left limb arteriography was performed which revealed 100 % thrombotic stenosis in previously placed study stent and 90% stenosis in mid sfa.100% stenosis was observed in the popliteal, anterior tibial, and posterior tibial arteries.On (b)(6) 2019, thrombectomy was performed in distal sfa to remove thrombi in study stent and stenosis in mid sfa extending to popliteal artery was treated with balloon angioplasty and deployment to two 6 x 120 mm eluvia stents.Additionally, the left tibial artery was treated with a ballooning with 25% residual stenosis.On (b)(6) 2019, abi was done again which measured 0.87 and 0.84 on right and left sides respectively.On (b)(6) 2019, the event was considered resolved and the subject was discharged on the same day.Follow-up core-lab angiography finding dated (b)(6) 2019, noted thrombus of grade 0 and absence of aneurysm.However, core lab noted the presence of in stent restenosis (isr) pattern 4.
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