Abstract
Inferior vena cava filter (IVCF) placement is associated with increased risk of deep venous thrombosis. This may result from filter obstruction by trapped emboli or in situ thrombosis of theIVCF, followed by caval thrombus propagation, and may be associated with significant morbidity. Here, we describe a technique and early results of endovascular recanalization of IVCF chronic total occlusions in five patients with complete chronic total occlusions of a previously implanted IVCF, the inferior vena cava, and the bilateral iliofemoral venous systems. We describe our technique of filter displacement and recanalization with balloon-mounted and self-expanding stents. All patients noted sustained clinical improvement and duplex ultrasound-confirmed patency throughout follow-up.
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