Case Report (n=1)
No
Permanent placement of a retrieval-type vena cava filter in the superior vena cava can be safely performed and may be necessary for high-risk patients with floating thrombi, though careful monitoring for thrombus enlargement is required.
Supports safe SVC filter placement in select high-risk cases; leaves open need for prospective data on indications and durability.
62歳の男性, 上大静脈の深部静脈血栓症に対して上大静脈にRetrieval type Vena Cava Filter (Günther TulipTM Vena Cava Filter) を留置し線溶療法を行った. 治療後も浮遊血栓が残存し, フィルターは永久留置とした. 外来で抗凝固療法中に血栓の増大を認め, 再度線溶療法を施行し血栓は消失した. フィルター留置は合併症なく, 安全に施行可能であった. フィルターの長期留置は血栓症再発のリスク等あり慎重な意見もあるが, 本例のような塞栓症の再発リスクの高い場合はフィルターを恒久的に留置する必要があると思われる.
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Ichinose et al. (2007) conducted a case report in Deep vein thrombosis in superior vena cava (n=1). Retrieval type vena cava filter (Gunther Tulip Vena Cava Filter) was evaluated on Safety of filter placement and thrombus resolution.
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