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Comment & Response |

The Inferior Vena Cava Filter

Hiroshi Wada, MD1; Junya Ako, MD1; Shin-ichi Momomura, MD1
[+] Author Affiliations
1Department of Cardiovascular Medicine, Saitama Medical Center, Jichi Medical University, Saitama-city, Saitama, Japan
JAMA Intern Med. 2013;173(18):1753. doi:10.1001/jamainternmed.2013.8771.
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To the Editor We read with great interest the Original Investigation by Sarosiek et al1 and the accompanying Viewpoint by Prasad et al2 regarding the efficacy and safety of inferior vena cava filters. Sarosiek et al1 reported suboptimal outcomes of metallic retrievable stents with an extremely low retrieval rate. In Japan, temporary inferior vena cava filter system, which is made of fluorinated ethylene propylene polymer, is widely available to circumvent the difficulty in retrieval. The filter is a catheter-like device, inserted and placed through jugular vein for only a limited period. We have, however, recently reported that this polymer filter system is also associated with a high rate of complications including filter thrombosis, filter dislocation, and catheter-related infection.3 The benefit of medical technology should be carefully weighed against its safety. We fully agree that we need randomized clinical trials to elucidate the clinical necessity of inferior vena cava filtering.

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October 14, 2013
Vinay Prasad, MD; Jason Rho, MD; Adam Cifu, MD
1Medical Oncology Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
2Department of Medicine, Northwestern University, Chicago, Illinois
3Department of Medicine, University of Chicago, Chicago, Illinois
JAMA Intern Med. 2013;173(18):1754-1755. doi:10.1001/jamainternmed.2013.8719.
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