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Open Cardiovasc Med J. 2013;7:9-11. doi: 10.2174/1874192401307010009. Epub 2013 Jan 31.

Braile vena cava filter and greenfield filter in terms of centralization.

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  • 1Department of Cardiology and Cardiovascular Surgery, Medicine School of São Jose do Rio Preto-FAMERP, Brazil ; Research CNPq (National Council for Research and Development)-Brazil.


The aim of this study was to evaluate complications experienced during implantation of the Braile Vena Cava filter (VCF) and the efficacy of the centralization mechanism of the filter. This retrospective cohort study evaluated all Braile Biomédica VCFs implanted from 2004 to 2009 in Hospital de Base Medicine School in São José do Rio Preto, Brazil. Of particular concern was the filter's symmetry during implantation and complications experienced during the procedure. All the angiographic examinations performed during the implantation of the filters were analyzed in respect to the following parameters: migration of the filter, non-opening or difficulties in the implantation and centralization of the filter. A total of 112 Braile CVFs were implanted and there were no reports of filter opening difficulties or in respect to migration. Asymmetry was observed in 1/112 (0.9%) cases. A statistically significant difference was seen on comparing historical data on decentralization of the Greenfield filter with the data of this study. The Braile Biomédico filter is an evolution of the Greenfield filter providing improved embolus capture and better implantation symmetry.


Deep venous thrombosis; Prevention.; Pulmonar embolism; Vena cava filter

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