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KMID : 1037520140300040133
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Vascular Specialist International
2014 Volume.30 No. 4 p.133 ~ p.138
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Current Status of the Retrieval Rate of Retrievable Vena Cava Filters in a Tertiary Referral Center in Korea
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Park Hyeong-Min
Han Ah-Ram
Choi Chan-Joong
Min Sang-Il
Ha Jong-Won
Jung In-Mok
Lee Tae-Seung
Kim Hyo-Cheol
Jae Hwan-Joon
Min Seung-Kee
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Abstract
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Purpose: The purpose of this study was to review the daily practice of inferior vena cava filters (IVCFs) in a tertiary referral center in Korea and to reveal the retrieval rate and the methods for improving it.
Materials and Methods: Through the electronic medical record system, a retrospective review was performed on 115 consecutive patients who underwent placement of retrievable IVCFs between February 2000 and January 2011 in Seoul National University Hospital.
Results: IVCF placement was done in 115 cases (113 patients). There were 68 men (59.1%), and the mean age was 58.5±15.5 years (range, 10-96 years). The affiliated departments were Vascular Surgery (57 cases, 49.6%), and Internal Medicine (20 cases, 17.4%). Advanced malignancy was the most commonly associated disease (n=30, 26%). The indications for IVCF placement were categorized; absolute indications in 36 cases (31.3%), relative indications in 78 cases (67.8%), and prophylactic use in 1 case (0.9%). The most common indications were thrombolysis/thrombectomy for iliocaval deep vein thrombosis (DVT) (n=55, 47.8). Of the 115 filters, 68 were retrieved (retrieval rate, 59%). The most common cause of non-retrieval was chronic high risk of venous thromboembolism in 24 patients (51%), followed by residual proximal DVT (n=7, 15%), and negligence by unknown reasons (n=6, 13%).
Conclusion: To improve the retrieval rate, the number of follow-up losses to vascular specialists must be decreased, which can be achieved by establishment of a dedicated IVC filter clinic, implementation of a filter registry, and regular education for medical teams and patients along with their families.
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KEYWORD
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Vena cava filters, Venous thrombosis, Pulmonary embolism, Venous thromboembolism
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