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Double-Balloon-Assisted N-Butyl-2-Cyanoacrylate Embolization of Nontumorous Intrahepatic Arterioportal Shunts
Authors:Hidemasa Takao  Eisuke Shibata  Shiori Amemiya  Osamu Abe
Affiliation:Department of Radiology, Graduate School of Medicine, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan
Abstract:
This report describes the safety and efficacy of double-balloon-assisted N-butyl-2-cyanoacrylate embolization of nontumorous intrahepatic arterioportal shunts in 5 consecutive, previously untreated patients. A proximal balloon was used for flow control and a coaxial microballoon was used to control the delivery of N-butyl-2-cyanoacrylate. Complete occlusion was achieved in 3 patients and shunt flow decreased in 2 patients, without complications. In the latter 2 patients, pre-embolization shunt flow was lower than that in patients with complete occlusion. Our results suggest that this coaxial double-balloon-assisted technique may be safe and effective for the embolization of nontumorous intrahepatic arterioportal shunts, especially in high-flow shunts.
Keywords:ALP  alkaline phosphatase  ALT  alanine transaminase  AST  aspartate transaminase  NBCA
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