Abstract
A new retrievable percutaneous vena cava filter was testedin vitro andin vivo in 15 foxhounds.In vitro, the new vena cava filter was compared with the standard Kimray-Greenfield filter and the Günther basket filter. The new filter is a stainless steel half-basket filter and is suitable for percutaneous antegrade or retrograde insertion through a 8.5 Fr introducer sheath.In vitro testing showed the filter causing no significant flow alterations and being highly effective in capturing medium- and large-sized thrombi; furthermore, fatigue testing revealed no breakage of the new filter, whereas the Günther basket filter showed breakage of the struts.In vivo studies showed no occlusion, major perforation, or filter migration during follow-up of 2 weeks to 6 months. Tilting of the filter postimplantation occurred in two out of 28 filters. Ten of 11 filters were successfully retrieved by the transjugular approach 2 weeks after implantation. The device seems to be suitable for temporary or permanent protection against pulmonary embolism.
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This article is based in part on the thesis written by Kirsten Tonn, and was presented at the CIRSE'92 Annual Meeting in Stiges, Barcelona, Spain on August 30, 1992
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Neuerburg, J., Günther, R.W., Rassmussen, E. et al. New retrievable percutaneous vena cava filter: Experimentalin vitro andin vivo evaluation. Cardiovasc Intervent Radiol 16, 224–229 (1993). https://doi.org/10.1007/BF02602965
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DOI: https://doi.org/10.1007/BF02602965