Clinical Trial: Determining the Clinical Impact and Prevalence of Hemorrhagic Subtypes in Perimesencephalic Subarachnoid Hemorrhage

U.S., Nov. 7 -- ClinicalTrials.gov registry received information related to the study (NCT07923084) titled 'Determining the Clinical Impact and Prevalence of Hemorrhagic Subtypes in Perimesencephalic Subarachnoid Hemorrhage' on Oct. 12.

Brief Summary: Background:

Perimesencephalic subarachnoid hemorrhage (pmSAH) is a distinct subtype of traumatic subarachnoid hemorrhage (SAH) characterized by a localized bleeding pattern around the midbrain not resulting from a ruptured aneurysm of a posterior circulation main artery. Traditionally considered benign with generally good prognosis, pmSAH has been attributed to a presumed venous etiology. However, recent advances in imaging technology have led to the identification of previously occult vascu...