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American Journal of Neuroradiology 24:982-984, May 2003
© 2003 American Society of Neuroradiology

INTERVENTIONAL

Guglielmi Detachable Coil Extraction: Suction Generated by Pusher-Wire Withdrawal after Coil Detachment within an Intracranial Aneurysm

Perry P. Nga, Van V. Halbacha, Louis P. Caraginea, Christopher F. Dowda and Randall T. Higashidaa

a From the Division of Interventional Neuroradiology, University of California at San Francisco Medical Center, San Francisco, CA

Address correspondence to Perry P. Ng, M.D., Room L352, Department of Radiology, Division of Interventional Neuroradiology, University of California at San Francisco Medical Center, 505 Parnassus Avenue, San Francisco, CA 94143

Summary: We present a case of Guglielmi detachable coil extraction into a microcatheter after coil detachment during embolization of a superior hypophyseal artery aneurysm; extraction was a result of the suction generated during pusher-wire withdrawal. Experimental simulations using many coil and microcatheter combinations were used to identify factors that contribute to the likelihood of this phenomenon.






Copyright © 2010 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X