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Case Reports
. 2014 Mar;41(1):87-91.
doi: 10.1016/j.neurad.2013.10.001. Epub 2014 Jan 7.

The pressure cooker technique for the treatment of brain AVMs

René Chapot  1 , Paul Stracke  2 , Aglaé Velasco  2 , Hannes Nordmeyer  2 , Markus Heddier  2 , Michael Stauder  2 , Petra Schooss  2 , Pascal J Mosimann  3
Affiliations
Case Reports

The pressure cooker technique for the treatment of brain AVMs

René Chapot et al. J Neuroradiol. 2014 Mar.

Abstract

Arteriovenous malformations (AVMs) may be cured by injecting liquid embolic agents such as Onyx. Reflux, however, can sometimes be difficult to control and may jeopardize a complete embolization. The pressure cooker technique (PCT) was designed to create an anti-reflux plug by trapping the detachable part of an Onyx-compatible microcatheter with coils and glue in order to obtain wedge-flow conditions, thereby enabling a better understanding of macrofistulous AVMs and a more comprehensive, forceful and controlled Onyx embolization. The PCT might enlarge the range of AVMs amenable to endovascular cure. Three illustrative cases are presented.

Keywords: Brain AVM; Coils; Embolization; Glue; Onyx; Pressure cooker.

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