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Related Experiment Videos

Two clinically distinct lacunar infarct entities? A hypothesis

J Boiten1, J Lodder, F Kessels

  • 1Department of Neurology, University Hospital Maastricht, The Netherlands.

Stroke
|May 1, 1993
PubMed
Summary

Patients with asymptomatic lacunar infarcts often have hypertension and leukoaraiosis, suggesting distinct clinical entities compared to those with symptomatic lacunar infarcts. This research highlights differences in lacunar infarct presentation.

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Area of Science:

  • Neurology
  • Vascular Neurology
  • Neuroimaging

Background:

  • Lacunar infarcts are small ischemic strokes.
  • Distinguishing between symptomatic and asymptomatic lacunar infarcts is clinically relevant.
  • Understanding the underlying pathophysiology of different lacunar infarct entities is crucial.

Purpose of the Study:

  • To test the hypothesis that patients with asymptomatic lacunar infarcts and those with only one symptomatic lacunar infarct represent two distinct clinical entities.
  • To identify clinical features differentiating these two groups.

Main Methods:

  • Prospective study of 100 lacunar infarct patients.
  • Univariate and multivariate logistic regression analysis.
  • Assessment of clinical features, vascular risk factors, and leukoaraiosis.

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Main Results:

  • Asymptomatic lacunar infarct patients showed significantly higher rates of hypertension (71% vs. 43%) and leukoaraiosis (71% vs. 19%) compared to symptomatic lacunar infarct patients.
  • Multivariate analysis confirmed leukoaraiosis as a significant predictor of asymptomatic lacunar infarcts.
  • Differences in infarct location, vascular territory, and volume were observed between symptomatic and asymptomatic infarcts.

Conclusions:

  • Two distinct lacunar infarct entities may exist: single symptomatic lacunar infarcts and multiple lacunar infarcts.
  • Patients with multiple lacunar infarcts frequently exhibit hypertension and leukoaraiosis, suggesting a different underlying small-vessel vasculopathy.