Affiliation:
1. Department of Vascular Surgery, The Second Hospital of Baoding City, Baoding 071051, Hebei Province, China
Abstract
Objective: To investigate the prevention of pulmonary embolism (PE) by the implantation of inferior vena cava filters (IVCFs). Methods: Data of 1058 patients treated for lower extremity deep vein thrombosis (DVT) between January 2005 and January 2012 were analyzed retrospectively and divided into those with and without PE. Results: Of the 1058 patients, 34 had PEs (3.2%) and 1024 did not. Multivariable analyses showed that PEs were less likely to occur in patients with IVCFs than in those without IVCFs (odd ratio [OR] = 0.028, P < 0.001), and were more likely to occur in patients with vena cava thrombosis than in those without vena cava thrombosis (OR = 19.094, P < 0.001). Analyses stratified by DVT site showed that vena cava thrombosis was the only risk factor of PE for patients with a left DVT (crude OR = 12.814, P < 0.001), and IVCF implantation was the only protective factor for PE for patients with a right or bilateral DVT (crude OR = 0.028, P = 0.001). IVCF patency rate for follow-up was 98.7% with no filter migration, declination, or failure of expansion. Conclusions: IVCFs can reduce the occurrence of PEs in patients with DVTs.
Subject
Cardiology and Cardiovascular Medicine,General Medicine
Cited by
1 articles.
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