Hydrocephalus onset after microsurgical or endovascular treatment for acute subarachnoid hemorrhage. Retrospective italian multicenter study.

Background: Chronic shunt-dependent hydrocephalus is a complication of aneurysmal subarachnoid hemorrhage (aSAH). Its incidence and risk factors have been described while the hydrocephalus onset in terms of days after treatment (microsurgical or endovascular) has not been yet analyzed.

Materials And Methods: 45 patients, treated for aSAH in 4 Italian Neurosurgical Departments, were retrospectively analyzed.