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Optional vena cava filters: indications, management, and results
1Institut für Diagnostische, Interventionelle und Pädiatrische Radiologie, Inselspital, Universitätsspital Bern, Schweiz. hanno.hoppe@insel.ch
Deutsches Arzteblatt International
|July 23, 2009
Summary
Optional vena cava filters offer a safe alternative to prevent pulmonary embolism when anticoagulation is not feasible. These retrievable devices can be removed after a defined period, providing flexibility in patient management.
Area of Science:
- Vascular Surgery
- Interventional Radiology
- Cardiology
Background:
- Inferior Vena Cava (IVC) filters are utilized to prevent pulmonary embolism (PE) when anticoagulation therapy is contraindicated or ineffective.
- These filters can be temporary (optional) or permanent, with optional filters designed for retrieval within a specific timeframe.
Purpose of the Study:
- To review the current literature on the status and use of optional vena cava filters.
- To assess the efficacy and safety of optional filters compared to permanent filters.
Main Methods:
- A selective Medline literature search was conducted from 2000 to 2008.
- Included were a Cochrane review and published clinical guidelines on vena cava filters.
Main Results:
- Optional vena cava filters can be removed up to 20 weeks or longer post-insertion via a minimally invasive procedure.
- Removal is indicated when therapeutic anticoagulation is achieved or the risk of venous thromboembolism (VTE) has diminished.
- Current studies indicate comparable outcomes between optional and permanent filters, though prospective comparative studies are lacking.
Conclusions:
- Optional vena cava filters represent a valuable tool in managing venous thromboembolic disease.
- Given the limited available data, the decision to use optional filters should be individualized based on patient-specific factors.
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