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The management of unruptured brain arteriovenous malformations (AVMs) remains unclear and there may be benefit in developing a predictive tool that could guide hemorrhage risk stratification. The variables used to estimate the risk of presentation with hemorrhage can be summarized by the acronym ReD AVM.
This tool is meant to supplement clinical decision-making in the treatment of unruptured AVMs. It is best used in conjunction with risk estimates of surgical risk such as the Spetzler-Martin grade.
Reference
Feghali J., Yang W., Xu R., Liew J., McDougall C.G., Caplan J.M., Tamargo R.J., Huang J.
R2eD AVM Score. A Novel Predictive Tool for Arteriovenous Malformation Presentation With Hemorrhage
Stroke. 2019; 50:1703-1710 doi:10.1161/STROKEAHA.119.025054
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