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Retrievable vena cava filters: a review.
Davide Imberti1, Walter Ageno, Monica Carpenedo
1Thrombosis Center, Emergency Department, Hospital of Piacenza, Piacenza, Italy. d.imberti@ausl.pc.it
Current Opinion in Hematology
|August 5, 2006
Summary
Retrievable inferior vena cava filters offer a new option for preventing pulmonary embolism. While effective, permanent filters have risks, and retrievable filters provide a potentially safer, temporary solution.
Area of Science:
- Vascular Surgery
- Interventional Radiology
- Cardiology
Background:
- Permanent inferior vena cava filters are effective for preventing pulmonary embolism but associated with long-term complications like thrombosis and migration.
- Appropriate patient selection is crucial, particularly for those with long life expectancy or short contraindications to anticoagulation.
Purpose of the Study:
- To review current literature on retrievable inferior vena cava filters.
- To discuss appropriate clinical indications for their use.
Main Methods:
- Literature review of retrievable inferior vena cava filters.
- Analysis of recent data on temporary filter use.
Main Results:
- Four retrievable filters are approved for temporary insertion, showing low rates of pulmonary embolism and insertion complications in recent studies.
- No randomized clinical trials exist; data are from retrospective or prospective studies.
- Permanent filters carry risks of thrombosis and migration.
Conclusions:
- Retrievable filters represent a new generation of devices offering permanent or temporary placement options.
- They provide an alternative to permanent filters, potentially reducing long-term complications.