Early Diagnosis and Perioperative Therapeutic Management of Cerebral Ischemia in Cerebral Vasospasm Using Oxygen-pulse Near-infrared Optical Topography

Purpose: Early diagnosis of cerebral vasospasm is a key factor for therapeutic management of cerebral vasospasm after subarachnoid hemorrhage (SAH). However, a noninvasive method of diagnosing delayed ischemic neurological deficit (DIND) has not been established. Therefore, we propose a new method of diagnosing cerebral ischemia by detecting changes in cerebral oxygenation using near infrared optical topography (OT) with oxygen inhalation.