obsolete_intracranial vasospasm true Replaced by Mondo term MONDO_0006812, with which this term was previously merged. Use: http://purl.obolibrary.org/obo/MONDO_0006812 DOID:13100 http://purl.obolibrary.org/obo/MONDO_0006812 Dani Welter 3.88.0 Vasospasm, Intracranial MESH:D020301 Constriction of arteries in the SKULL due to sudden, sharp, and often persistent smooth muscle contraction in blood vessels. Intracranial vasospasm results in reduced vessel lumen caliber, restricted blood flow to the brain, and BRAIN ISCHEMIA that may lead to hypoxic-ischemic brain injury (HYPOXIA-ISCHEMIA, BRAIN).