Prevalence of symptoms and risk of sleep apnea in patients with ruptured cerebral aneurysm.

Objective: To determine the prevalence of symptoms and risk of obstructive sleep apnea (OSA) among patients with ruptured cerebral aneurysms.

Methods: In this case-control study, a validated Arabic version of the Berlin Questionnaire (BQ) was administered to patients admitted to King Fahd Medical City, Riyadh, Saudi Arabia with cerebral aneurysms between January 2006 and July 2011 (n=53). The same questionnaire was administered to a control group comprised of patients attending primary health care clinics who were matched for age, body mass index (BMI), and gender (n=212).