Prolonged delayed vasospasm in the setting of nonaneurysmal intraventricular hemorrhage

摘要

Background:Though still thought to be rare, in recent years, vasospasm as a result of primary intraventricular hemorrhage (IVH) has been increasingly recognized in patients with spontaneous primary intraventricular hemorrhage, of various etiologies. Unlike vasospasm in aneurysmal subarachnoid hemorrhage (SAH), which has a well-defined time frame of 3–21 days, such a window is poorly defined for primary spontaneous intraventricular hemorrhage from other vascular etiologies.