Interventional Treatment vs Conservative Management of Unruptured Brain Arteriovenous Malformations

Is interventional treatment for unruptured brain arteriovenous malformations (AVMs) associated with improved hemorrhage-free survival compared with conservative management?In this cohort study that included 1770 patients with unruptured AVMs, interventional treatment was associated with significantly higher estimated hemorrhage-free survival at 5 years (96% vs 89%) and 10 years (84% vs 76%) compared with conservative management.These findings suggest that interventional treatment may reduce long-term hemorrhage risk in patients with unruptured AVMs.

Corresponding Authors: Shuo Wang, MD (captain9858@126.com), and Xiaolin Chen, MD (cxl_bjtth@163.com), Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China.

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