Objective To study the clinical values of dynamic changes of von Willebrand factor and GMP-140 in aneurysmal subarachnoid hemorrhage.Methods This retrospective analysis included twenty nine patients with aneurysmal subarachnoid hemorrhage admitted to the Department of Neurosurgery,the First Affihated Hospital of Soochow University,from April 2010 to April 2011.They were divided into delayed cerebral ischemia group(DCI group) and non-delayed cerebral ischemia group(no DCI group),or cerebral vasospasm group(C...