To the Editor Dr Al-Shahi Salman and colleagues1 concluded that conservative management for bAVMs was superior to intervention for up to 12 years based on a prospective, population-based inception cohort study. The lack of detail regarding secondary outcomes, a high mortality rate in the conservatively managed group, and substandard interventions may undermine the authors’ conclusions.
Zaidi HA, Russin JJ, Spetzler RF. Conservative Management vs Intervention for Unruptured Brain Arteriovenous Malformations. JAMA. 2014;312(10):1058. doi:10.1001/jama.2014.8751