Journal of Radiology Case Reports, Vol 11, No 6 (2017)

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Endovascular retrieval of Greenfield IVC filters 13 and 19 years post placement without major complication

Endovascular retrieval of Greenfield IVC filters 13 and 19 years post placement without major complication

Junjian Huang, Michael Bold, Mohammad Reza Rajebi

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Abstract


Inferior vena cava (IVC) filters were first introduced in 1967 by Kazi Mobin-Uddin and later improved by Lazar Greenfield in the 1980s becoming a major component of catastrophic pulmonary embolism prevention. Nevertheless, filters are not entirely harmless. The long term risks include caval thrombosis, visceral penetration, and filters can serve as a nidus for infection. Filter retrieval is often complicated by intimal hyperplasia especially with increased indwelling time. Historically, Greenfield filters in place for longer than 3 weeks were considered permanent due to the risks of retrieval. Herein we present 2 cases of successful retrieval of Greenfield filters 13 and 19 years post implantation.

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