This study evaluated a possible link between bariatric surgery and spontaneous intracranial hypotension.

Wouter I. Schievink, MD, of the departments of neurosurgery and surgery at Cedars-Sinai Medical Center in Los Angeles, and colleagues measured the frequency of bariatric surgery in a group of 338 patients with spontaneous intracranial hypotension and compared that with a group of 245 patients with unruptured intracranial aneurysms. 

Eleven (3.3%) of the 338 patients with spontaneous intracranial hypotension had a history of bariatric surgery compared with 2 (0.8%) of the 245 patients with intracranial aneurysms (p = 0.02).

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