• T Bürger, Z Halloul, J Tautenhahn, T Gebauer, and H Lippert.
• Klinik für Allgemein-, Viszeral- und Gefässchirurgie, Medizinische Fakultät, Otto-von-Guericke-Universität, Magdeburg.
• Zentralbl Chir. 2005 Jun 1;130(3):250-4.

AbstractThe indication of vena cava filter implantation is controversially discussed. On the basis of the available literature and our own results a critical analysis of this issue is given. Between 1994 and 2003, we inserted a total of 29 vena cava filters; 24 temporary and 5 permanent filters. In twelve patients, the placement of the filter was indicated due to pulmonary embolism and a contra-indication to dose adjusted heparin therapy. Seven additional patients experienced a recurrent pulmonary embolism despite adequate heparin therapy. An additional prophylactic filter insertion was carried out in ten patients. The temporary vena cava filters were left in place between 7 to 38 days with an average of 17 days. Total implantation time of temporary filters was scheduled until complete mobilisation of the patients, generally in conjunction with an effective dosage of oral anticoagulants. No patient died in connection with the insertion of the filter and no further pulmonary embolisms occurred. One case of inferior vena cava thrombosis occurred in each group of temporary and permanent filters. In one third of the removed filter systems, thrombi in the filter were found. Local infections of the catheter and introducer sets were observed in two patients. Moreover, in one case the strut of a temporary filter broke and subsequently dislocated 17 days after insertion. However, there is little evidence concerning vena cava filters, and further investigations are necessary. Until additional data are available, filters should generally be restricted to patients with deep venous thrombosis and pulmonary embolism who cannot receive anticoagulation, and highly selected cases.

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