American Journal of Neuroradiology, Vol 18, Issue 10 1892-1896, Copyright © 1997 by American Society of Neuroradiology
ARTICLES |
An arteriovenous malformation model for testing liquid embolic materials
S Park, H Yoon, DC Suh and HY Song
Department of Medical Materials, Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
An arteriovenous malformation model with a transparent nidus was constructed to investigate the embolization behavior of polyvinyl acetate (PVAc) solution relative to flow velocity in the feeding artery and injection speed. It was found that the liquid embolic material flowed distally when injected too fast or when the flow velocity was too low. In addition, we found that solution consisting of PVAc plus metrizamide was a better embolic material than solution containing only PVAc.
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