Balloon-assisted technique for trapped microcatheter retrieval following onyx embolization. A case report.
During embolization of a large frontal arteriovenous malformation (AVM), Onyx-18 (eV3) was injected into an M3 branch of the middle cerebral artery via a Marathon microcatheter (eV3). After 40 minutes of embolization, the microcatheter could not be retracted due to fixation within the Onyx cast despite prolonged, robust attempts. A balloon microcatheter (Hyperform(TM), eV3) was advanced distally and inflated to provide distal counter tension, allowing microcatheter retrieval with minimal traction on the vasculature.
Santillan
A
A
Department of Radiology, New York Presbyterian Hospital - Cornell; New York, USA - waz2002@nyp.org.
Zink
W
W
Knopman
J
J
Riina
H
H
Gobin
Y P
YP
AJNR Am J Neuroradiol. 2007 Jan;28(1):172-7; discussion 178
17213451
Neurosurgery. 2008 Jul;63(1 Suppl 1):ONSE89; discussion ONSE89
18728613
Eur J Radiol. 2010 Mar;73(3):664-71
19144481
AJNR Am J Neuroradiol. 2007 Feb;28(2):371-7
17297015
AJNR Am J Neuroradiol. 2009 Mar;30(3):492-5
19112062
J Neurosurg. 2007 Mar;106(3):481-3
17367073
Neuroradiology. 2008 Jul;50(7):589-97
18408923
J Neurosurg. 2008 Dec;109(6):1083-90
19035723
AJNR Am J Neuroradiol. 1999 Jan;20(1):177-8
9974078
AJNR Am J Neuroradiol. 2007 Mar;28(3):518-23
17353327