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Related Experiment Videos

Stroke following Bothrops spp. snakebite.

Aurelio Mosquera1, Luis A Idrovo, Alfonso Tafur

  • 1Department of Neurology, Luis Vernaza Hospital, Guayaquil, Ecuador.

Neurology
|May 29, 2003
PubMed
Summary
This summary is machine-generated.

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Cerebrovascular complications from Bothrops spp. snakebites affect 2.6% of patients, primarily causing intracranial hemorrhages. These severe envenomations lead to poor outcomes, with high mortality and irreversible sequelae.

Area of Science:

  • Neuroscience
  • Toxicology
  • Clinical Medicine

Background:

  • Bothrops spp. snakebites are a significant cause of morbidity and mortality, particularly in tropical regions.
  • Cerebrovascular complications are a recognized, though less common, manifestation of Bothrops envenomation.

Purpose of the Study:

  • To investigate the prevalence and specific types of cerebrovascular complications following Bothrops spp. snakebites.
  • To analyze the clinical presentation, diagnostic findings, and outcomes in patients experiencing these neurotoxic events.

Main Methods:

  • A retrospective study of 309 patients bitten by Bothrops spp. admitted to a major hospital.
  • Detailed analysis of patient data including time to admission, clinical signs, lab results, envenomation severity, CT scans, and patient outcomes.

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Main Results:

  • A cerebrovascular event occurred in 2.6% (8/309) of patients, with most cases presenting late (>8 hours post-bite).
  • Intracranial hemorrhage was the predominant complication (7/8 patients), while one patient experienced cerebral infarcts.
  • Hemorrhages involved cerebral hemispheres, cerebellum, and subarachnoid spaces; bleeding disorders were common in hemorrhagic cases.

Conclusions:

  • The incidence of cerebrovascular complications from Bothrops spp. snakebites is 2.6%.
  • Intracranial hemorrhage is more common than cerebral infarction in this patient group.
  • The prognosis for patients with cerebrovascular complications following Bothrops spp. snakebites is poor, with significant mortality and long-term disability.