年輕人腦出血，尤其20歲以下的，一半有腦血管異常，年長的高血壓控製不良是最重要風險因子

http://stroke.ahajournals.org/content/30/3/537

ORIGINAL CONTRIBUTIONS

Intracerebral Hemorrhage in Young People

Analysis of Risk Factors, Location, Causes, and Prognosis