Bird’s Nest Inferior Vena Cava Filter Penetrating the Aorta

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  • Kono Satoshi
    Department of Cardiovascular Surgery, Nagahama City Hospital
  • Soga Yoshiharu
    Department of Cardiovascular Surgery, Nagahama City Hospital

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  • 大動脈に穿通した下大静脈フィルターの1例

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<p>Inferior vena cava (IVC) filters are commonly used to prevent acute pulmonary thromboembolism in patients with deep venous thrombosis who have a contraindication to anticoagulation or show failure of anticoagulation. The number of IVC filter implantation procedures performed has shown an increasing trend.</p><p>We report a case of an inferior vena cava (IVC) filter penetrating the aorta. A 54-year-old woman had undergone placement of a Bird’s nest IVC filter for deep vein thrombosis 20 years earlier, after the birth of her third child. Computed tomography (CT), performed for suspected uterine myoma, showed struts of the IVC filter penetrating the aortic lumen. It was not fractured or tilted. There was no evidence of aortocaval fistulas or pseudoaneurysms. The patient was closely followed without surgical therapy for 7 years, and no additional complaints were found.</p>

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