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Late Strut Fracture Within a Partially Resorbed Bioresorbable Vascular Scaffold: A Possible Cause of Late Scaffold
Muhammad Asrar Ul Haq1, Matthew Erickson2, James Rankin2
1Department of Cardiology, Fiona Stanley Hospital, Perth, WA, Australia; Department of Medicine, University of Melbourne, Melbourne, Vic, Australia.
Abstract:
The Bioresorbable Vascular Scaffold (BVS, Abbott Vascular, Santa Clara, Cal, USA) is an exciting advance in percutaneous coronary intervention providing a temporary drug eluting scaffold resorbed in two to five years. We present two cases of late scaffold thrombosis associated with strut fracture during the period of resorption, at 20 and 24 months following BVS implantation. We propose luminal migration of malapposed struts following strut fracture during resorption as a potential mechanism for late scaffold thrombosis and acute coronary syndrome.
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