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Updated: May 31, 2026
10:41
Analysis of Cerebral Vasospasm in a Murine Model of Subarachnoid Hemorrhage with High Frequency Transcranial Duplex Ultrasound
Published on: June 3, 2021
Age-associated vasospasm in aneurysmal subarachnoid hemorrhage
Sushant P Kale1, Randall C Edgell, Amer Alshekhlee
1Department of Neurology and Psychiatry, Saint Louis University, St Louis, Missouri, MO, USA.
Summary
Younger patients (<50 years) face a significantly higher risk of vasospasm after subarachnoid hemorrhage (SAH). Age-adjusted prevention strategies for vasospasm are recommended.
Area of Science:
- Neurology
- Neurosurgery
- Critical Care Medicine
Background:
- The association between patient age and vasospasm following subarachnoid hemorrhage (SAH) remains a subject of debate.
- Understanding this relationship is crucial for developing effective preventative and therapeutic strategies.
Purpose of the Study:
- To investigate the association between age and the incidence of vasospasm in patients with aneurysmal SAH.
- To determine if age is an independent risk factor for vasospasm.
Main Methods:
- Retrospective analysis of 108 patients with SAH from ruptured intracranial aneurysms.
- Patients were categorized by age (cutoff 50 years) and vasospasm severity (absent, any, symptomatic).
- Logistic regression was employed to assess the relationship between age and vasospasm occurrence.
Main Results:
- Patients younger than 50 years exhibited a significantly higher incidence of vasospasm (OR 5.83 for any vasospasm, OR 2.66 for symptomatic vasospasm).
- Younger patients had higher rates of smoking and substance abuse, while older patients had more vascular risk factors.
- The risk of vasospasm demonstrated a statistically significant inverse correlation with increasing age (P < .0001).
Conclusions:
- Age is a significant factor in SAH-induced vasospasm, with younger individuals being at substantially higher risk.
- Current prevention protocols for vasospasm may need age stratification to optimize patient outcomes.
- Further research into age-specific risk factors and tailored interventions is warranted.
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