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  • Title: Complex Inferior Vena Cava Filter Retrieval Complicated by Migration of Filter Fragment into the Aorta and Subsequent Distal Embolization.
    Author: Knavel EM, Woods MA, Kleedehn MG, Ozkan OS, Laeseke PF.
    Journal: J Vasc Interv Radiol; 2016 Dec; 27(12):1865-1868. PubMed ID: 27886952.
    Abstract:
    In 2005, a 48-year-old man with a spinal cord injury had an inferior vena cava filter placed for recurrent deep vein thrombosis and pulmonary embolism. He was referred for filter retrieval after a computed tomography scan demonstrated caval stenosis and 2 fractured filter arms, 1 in a pulmonary artery and 1 penetrating into the retroperitoneum and impinging on the aorta. During retrieval, 1 arm was inadvertently advanced into the aorta, and embolization of the arm occurred to the left profunda femoris artery. It was subsequently retrieved. This is the first reported case to the authors' knowledge of migration and embolization of a filter fragment into the systemic arterial system.
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