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Lacunar strokes: current concepts.

K W Davidson1

  • 1Department of Family and Community Medicine, College of Medicine, University of Arkansas for Medical Sciences, Little Rock 72205.

The Journal of the American Board of Family Practice
|January 1, 1988
PubMed
Summary
This summary is machine-generated.

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Lacunar strokes, often linked to hypertension, arise from blocked arteries in the brain. Advanced imaging helps diagnose these strokes, revealing diverse causes and presentations beyond classic syndromes.

Area of Science:

  • Neurology
  • Vascular Neurology

Background:

  • Lacunar strokes are caused by occluded penetrating arteries in subcortical brain regions.
  • They constitute approximately 19% of all strokes and are a common complication of chronic hypertension.
  • Classic clinical syndromes include pure motor hemiparesis, pure sensory stroke, ataxic hemiparesis, and dysarthria-clumsy hand syndrome.

Purpose of the Study:

  • To review the pathogenesis, clinical course, and diagnostic approaches to lacunar strokes.
  • To highlight recent findings that expand the understanding of lacunar stroke causation and presentation.

Main Methods:

  • Utilized computed tomography (CT) for antemortem study of lacunar disease.
  • Reviewed recent literature on lacunar stroke etiology and clinical manifestations.

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Main Results:

  • Computed tomography has improved the study of lacunar strokes.
  • Lacunar strokes can be embolic or hemorrhagic, not always linked to hypertension, and may present with atypical neurological signs.
  • Some lacunar strokes can be larger than previously thought.

Conclusions:

  • Lacunar strokes have diverse causes and presentations, some deviating from classic syndromes.
  • Noninvasive diagnostic studies are crucial for accurate diagnosis, avoiding risks of anticoagulation or surgery.
  • Early and accurate diagnosis using neuroimaging is key to appropriate patient management.