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Serial angioscopic evaluation of self-expanding stent graft implantation in superficial femoral artery.

ABSTRACT: We evaluated Viabahn stent-graft (W.L. Gore & Associates, Flagstaff, AZ, USA) implanted in the superficial femoral artery at 6 months and one year after implantation because the patient felt claudication due to repeated restenosis of bare nitinol stent which was implanted just proximal to the site of Viabahn stent-graft. At 6 months, angioscopy showed severe thrombosis in the stent-graft while the stent-graft was entirely patent. However, at one year, angioscopic evaluation revealed no thrombosis in the stent-graft. She received the same dual antiplatelet therapy. <Learning objective: We report a case with Viabahn stent-graft in whom an angioscopy revealed severe thrombosis at 6 months but no thrombosis at one year during the same dual antiplatelet therapy (DAPT). It might be necessary to continue DAPT after Viabahn stent-graft implantation at least over one year to prevent thrombosis.>.

SUBMITTER: Yasunaga M 

PROVIDER: S-EPMC7403602 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature

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We evaluated Viabahn stent-graft (W.L. Gore & Associates, Flagstaff, AZ, USA) implanted in the superficial femoral artery at 6 months and one year after implantation because the patient felt claudication due to repeated restenosis of bare nitinol stent which was implanted just proximal to the site of Viabahn stent-graft. At 6 months, angioscopy showed severe thrombosis in the stent-graft while the stent-graft was entirely patent. However, at one year, angioscopic evaluation revealed no thrombosi  ...[more]

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