Embolization of medium-sized vessels with the penumbra occlusion device: evaluation of anchoring function

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Abstract

Background: The penumbra occlusion device (POD) is a recently developed metallic coil with a unique anchor segment. The purpose of this study was to investigate the anchoring function of the POD for embolization of medium-sized vessels in detail. Materials and methods: We reviewed a series of cases of proximal embolization of medium-sized vessels in which the POD was used. Endovascular outcomes and complications were assessed. The distance between the distal end of the first-indwelled POD and the microcatheter tip was defined as the “landing distance,” and this was also evaluated via fluoroscopic analysis. Results: POD deployment was successful in 17 of 18 patients. The median landing distance was 9.6 mm, and no distal POD migration was observed after the formation of anchor loops. Conclusions: The specific anchoring function of the POD enables effective proximal occlusion of medium-sized vessels.

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Kato, K., Kawashima, K., Suzuki, T., Hamano, M., Yoshida, S., & Yoshioka, K. (2020). Embolization of medium-sized vessels with the penumbra occlusion device: evaluation of anchoring function. CVIR Endovascular, 3(1). https://doi.org/10.1186/s42155-020-00115-4

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