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Related Experiment Videos

Acute infection as a risk factor for ischemic stroke

I Y Bova1, N M Bornstein, A D Korczyn

  • 1Department of Neurology, Tel Aviv Medical Center, Israel.

Stroke
|December 1, 1996
PubMed
Summary

Acute infections significantly increase the risk of ischemic stroke (IS), especially within one week prior. This study confirms infections as a key risk factor for IS, though stroke severity is unrelated.

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Area of Science:

  • Neurology
  • Infectious Diseases
  • Cardiovascular Research

Background:

  • Previous research suggests a link between infections and ischemic stroke (IS).
  • The precise role of infection as a risk factor for IS requires further elucidation.

Purpose of the Study:

  • To investigate the association between acute infections and the risk of ischemic stroke.
  • To determine if infections precipitate ischemic stroke events.

Main Methods:

  • A case-control study was conducted with 182 patients experiencing acute IS.
  • A control group of 194 patients with a history of IS (at least 6 months prior) was included.
  • Infection history within two months preceding IS was assessed via questionnaire.

Main Results:

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  • A significantly higher prevalence of acute infections was observed in the IS group (24.2%) compared to the control group (9.7%).
  • The odds ratio for IS associated with acute infection was 2.93 (95% CI, 1.64-5.26; P = .0002).
  • Infections predominantly occurred within one week before the IS event.

Conclusions:

  • Acute infections are a significant risk factor for ischemic stroke.
  • The risk is particularly elevated within one week following an infection.
  • Infection status does not appear to influence the severity of the ischemic stroke.