• A Dardik, K A Campbell, C J Yeo, and P A Lipsett.
• Department of Surgery, Johns Hopkins Hospital, Baltimore, MD 21287-4605, USA.
• J. Vasc. Surg. 1997 Nov 1; 26 (5): 869-74.

PurposeTo review delayed and guidewire-induced morbidity associated with vena cava filters.MethodsThe records from the Johns Hopkins Hospital, a tertiary care referral center, of all patients who had vena cava filter complications from August 1993 through July 1996 were retrospectively reviewed.ResultsFive patients had filter migration or ensnarement with a guidewire. One patient had delayed extrusion of a filter strut into the duodenum. Four patients had filters ensnared by guidewires, including one during initial filter placement and one several years after placement.ConclusionsDelayed complications of vena cava filters should be considered whenever unusual patient signs or symptoms cannot be easily explained, even in the absence of a history of filter placement. To prevent guidewire ensnarement of filters, simple techniques should modify endovascular procedures when vena cava filters are present.

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