• J Vasc Interv Radiol · Jan 2015

    Strut penetration: local complications, breakthrough pulmonary embolism, and retrieval failure in patients with Celect vena cava filters.

    • Aaron Bos, Thuong Van Ha, Darren van Beek, Michael Ginsburg, Steven Zangan, Rakesh Navuluri, Jonathan Lorenz, and Brian Funaki.
    • Department of Radiology, University of Chicago Medical Center, 5841 S. Maryland Ave., MC 2026, Chicago, IL 60637. Electronic address: abos1210@gmail.com.
    • J Vasc Interv Radiol. 2015 Jan 1; 26 (1): 101-6.

    PurposeTo investigate strut penetration in patients with Celect filters, specifically local complications and association with breakthrough pulmonary embolism (PE) or retrieval failure.Materials And MethodsA retrospective single-center study was conducted to evaluate patients who received Celect filters between January 2007 and May 2013. A total of 595 filters were placed during the study period. Primary indications included thromboembolic disease (93%) and primary surgical prophylaxis (7%). Complications and retrieval data were assessed by computed tomography (CT) and electronic medical records.ResultsA total of 193 patients underwent follow-up abdominal CT at a mean follow-up interval of 176.2 days (range, 0-1,739 d). The rate of strut penetration more than 3 mm outside the caval wall was 28.5% (n = 55). One patient had CT evidence of clinically major strut penetration (1.8%) with strut compression of the right ureter causing hydronephrosis. Indwelling filter time longer than 100 days was associated with strut penetration (P < .001). Age, sex, and history of thromboembolic disease were not associated with strut penetration (P = .51, P = .81, and P = .89). Sixty-three patients presented for follow-up CT pulmonary angiography at a mean of 128.1 days (range, 1-895 d). The rate of breakthrough PE was 12.7%. The overall retrieval success rate was 96.7% (n = 150). Strut penetration was not associated with breakthrough PE or retrieval failure (P = .49 and P = .22).ConclusionsAlthough strut penetration is a common complication with Celect filters, there is no association with breakthrough PE or retrieval failure. CT evidence of local complications associated with strut penetration is rare.Copyright © 2015 SIR. Published by Elsevier Inc. All rights reserved.

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