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Cerebral infarction after envenomation by viper
J M Murthy1, L T Kishore, K S Naidu
1Department of Neurology, Nizam's Institute of Medical Sciences, Panjagutta, Hyderabad, India.
Journal of Computer Assisted Tomography
|January 1, 1997
Summary
Viper venom can cause cerebral infarction and diffuse encephalopathy. The toxin hemorrhagin likely induced vasospasm, leading to stroke in this case.
Area of Science:
- Neurology
- Toxicology
- Vascular Medicine
Background:
- Viper bites can lead to complex neurological complications.
- Cerebral infarction is a rare but serious consequence of envenomation.
Observation:
- A patient presented with diffuse encephalopathy following a viper bite.
- Magnetic Resonance Imaging (MRI) revealed subacute hemorrhagic infarcts in the brain.
Findings:
- The case suggests a link between viper envenomation and cerebral infarction.
- Hemorrhagin, a component of viper venom, is implicated as the causative agent.
- Vasospasm induced by hemorrhagin is the proposed mechanism for infarction.
Implications:
- Understanding venom-induced neurological injury is crucial for effective treatment.
- This case highlights the importance of considering cerebrovascular events in viper bite victims.
- Further research into venom toxins and their neurovascular effects is warranted.