Meta-analysis and systematic review of risk factors for shunt dependency after aneurysmal subarachnoid hemorrhage. Categories: CSF Drainage Author: Albuquerque FC, Hanel RA, Kalani MY, Levitt MR, Mapstone TB, McDougall CG, Nakaji P, Safavi-Abbasi S, Sauvageau E, Spetzler RF, Sun H, Wilson CD, Zhao YD