Atorvastatin and growth, rupture of small unruptured intracranial aneurysm: results of a prospective cohort study.

We conclude atorvastatin use is associated with a reduced risk of UIA growth, whereas atorvastatin is not associated with UIA rupture.The trial registry name:: The Clinic Benefit and Risk of Oral Aspirin for Unruptured Intracranial Aneurysm Combined With Cerebral IschemiaClinical Trial Registration-URL:: http://www.clinicaltrials.gov Unique identifier:: NCT02846259.