55
Participants
Start Date
September 30, 2025
Primary Completion Date
September 30, 2026
Study Completion Date
September 30, 2026
CTP scan
Patients with diagnosed aSAH and no evidence of early radiologic vasospasm will receive a CTP scan within 48 hours of aSAH symptom onset.
Neurological and neuropsychological testing
All enrolled patients will receive neurological and neuropsychological assessment at 12 months after aSAH.
Stanford University
OTHER