Influence of meteorological changes on the occurrence of cerebral aneurysm rupture in the Montpellier region: A retrospective study.

Background/context: Aneurysmal subarachnoid hemorrhage (aSAH) is a sudden and potentially serious event. Recognized risk factors of aSAH include smoking, high blood pressure, and alcohol consumption. Some studies have reported associations between risk of aSAH and climatic conditions, but no consensus exists.