RSNA 2006 

Abstract Archives of the RSNA, 2006


LL-VI2019-D09

Safety of a Non-time Limited Retrievable Vena Cava Filter : A Pathologic Study

Scientific Posters

Presented on November 27, 2006
Presented as part of LLVI-D: Vascular/Interventional

Participants

Fabrice Guy Barral MD, Presenter: Nothing to Disclose
Michel Peoch, Abstract Co-Author: Nothing to Disclose
Radouane Mohammedi MD, Abstract Co-Author: Nothing to Disclose
Hervé Decousus, Abstract Co-Author: Nothing to Disclose

PURPOSE

To evaluate the safety and easiness of the retrieval procedure of the ALN inferior vena cava retrievable filter.

METHOD AND MATERIALS

280 ALN filters have been inserted in the same department from December 1999 up to now for definitive or temporary contra-indications to anticoagulant mainly due to acute bleeding (53%), major planned surgery (33%), recurrent DVT/PE despite correct anticoagulant therapy (13%) and PE prophylaxis in very hight risk patients (2%). 70 of the 280 filters have been removed : 50 pathologic examinations are available.

RESULTS

The pathologic examinations show: in 17 cases, former small thrombus between the legs of the filter corresponding to clots blocked by the filter; in 15 cases, recent thrombus related to the retrieval procedure. In 10 cases, there were small pieces of endothelium of the vana cava walls but not related to any clinical event or abnormality on the post-procedural cavogram. There has been no complication during the retrieval procedure, the two difficult attempts being related to a major tilting of the filter necessiting a second endovenous manipulation.

CONCLUSION

This study confirms the safety and aesiness of the insertion,position and retrieval of the ALN filter. This could be mainly due to its conical faschion,its stability, the safety of the capture device and its non agressive struts.

CLINICAL RELEVANCE/APPLICATION

This filter is a second generation of retrievable filters, with no retrieval delay (more than 25 monthes, for the longest delay). It might be relevant for the FDA approval.

Cite This Abstract

Barral, F, Peoch, M, Mohammedi, R, Decousus, H, Safety of a Non-time Limited Retrievable Vena Cava Filter : A Pathologic Study.  Radiological Society of North America 2006 Scientific Assembly and Annual Meeting, November 26 - December 1, 2006 ,Chicago IL. http://archive.rsna.org/2006/4441407.html