Bariatric surgery as a possible risk factor for spontaneous intracranial hypotension.

Objective: To evaluate a possible link between bariatric surgery and spontaneous intracranial hypotension.

Methods: The frequency of bariatric surgery was examined in a group of 338 patients with spontaneous intracranial hypotension and compared with a group of 245 patients with unruptured intracranial aneurysms.

Results: Eleven (3.