ACA	anterior cerebral artery
ACoA	anterior communicating artery
aSAH	aneurysmal subarachnoid hemorrhage
AVS	angiographic vasospasm
BA	basilar artery
CI	confidence interval
CT	computed tomography
DCI	delayed cerebral ischemia
DCI Japan	Database of Cohort Study for Outcome of SAH In Japan
Fasudil	fasudil hydrochloride hydrate
ICA	internal carotid artery
IVR	interventional radiology
IQR	interquartile range
MCA	middle cerebral artery
mRS	modified Rankin Scale
OR	odds ratio
PCA	posterior cerebral artery
PICA	posterior inferior cerebellar artery
RCT	randomized controlled trial
Q1–Q3	25th–75th percentile
SAH	subarachnoid hemorrhage
SD	standard deviation
SVS	symptomatic vasospasm
VA	vertebral artery
VS	vasospasm
WFNS	World Federation of Neurosurgical Societies