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Use of the ALN permanent/removable vena cava filter. A multi-centre experience
L Pancione1, S Pieri, P Agresti
1Department of Radiology, Maria Vittoria Hospital, Asl 3, Turin, and Institute of Radiology, Insubria University Circolo Hospital, Varese, Italy. luigipancione@libero.it
Minerva Chirurgica
|January 11, 2007
Summary
The ALN vena cava filter is safe and easy to remove, even long after placement. Removable filters are preferable for most patients over permanent ones to avoid long-term complications.
Area of Science:
- Vascular Surgery
- Interventional Radiology
Background:
- Vena cava filters prevent pulmonary embolism when anticoagulation fails or is contraindicated.
- Long-term complications of permanent vena cava filters are not well-documented.
- Permanent/removable filters offer short-term benefits while mitigating long-term risks.
Purpose of the Study:
- To evaluate the safety and efficacy of ALN permanent/removable vena cava filters.
- To assess the feasibility of filter removal after short-term placement.
Main Methods:
- A multicenter study involving 276 patients who received ALN vena cava filters.
- Filters were placed via jugular, femoral, or brachial veins.
- Filter removal was attempted at 3 and 6 months post-implantation.
Main Results:
- The ALN filter demonstrated safety and ease of placement.
- Successful removal was achieved in most cases; challenges included incomplete opening (1 case) and filter adhesion (5 cases).
- No significant complications were reported in the majority of patients.
Conclusions:
- The ALN vena cava filter is safe and easily removable, even after extended periods.
- Removable filters are recommended for most patients, reserving permanent filters for those with limited life expectancy.
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