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Cannabis use and cerebrovascular disease
1Department of Neurology, New York Medical College, Valhalla, NY, USA. arista1@pol.net
The Neurologist
|January 15, 2004
Summary
Cannabis use is linked to brain ischemia and stroke. Research suggests vasospasm is a likely cause, though further study is needed to confirm the exact relationship between cannabis and cerebrovascular disease.
Area of Science:
- Neurology
- Vascular Medicine
- Toxicology
Background:
- Cannabis is a widely used illicit drug, often perceived as harmless.
- However, neurological dysfunction and cerebrovascular abnormalities have been associated with its use.
Purpose of the Study:
- To review reported cases of cannabis-related cerebral ischemia.
- To examine experimental studies on cannabis's cardiovascular and cerebrovascular effects.
Main Methods:
- Systematic literature review of case reports on cannabis-associated ischemic events.
- Analysis of experimental human and animal studies on cannabis and the cerebrovascular system.
Main Results:
- Multiple cases suggest a causal link between cannabis use and cerebral ischemia.
- Potential mechanisms include vasospasm, cardioembolism, and hypotension.
Conclusions:
- Cannabis use appears causally related to cerebral ischemia and infarction.
- Cerebral vasospasm is the most probable mechanism.
- The precise role of cannabis in cerebrovascular disease requires further investigation.