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Hemorrhagic lacunar stroke.

A Arboix1, L García-Eroles, J Massons

  • 1Acute Stroke Unit, Department of Neurology, Hospital del Sagrat Cor, Barcelona, Spain. aarboixd@meditex.es

Cerebrovascular Diseases (Basel, Switzerland)
|April 25, 2000
PubMed
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Hemorrhagic lacunar stroke, a rare cause of stroke, is characterized by sudden onset, headache, and absence of dysarthria. These clinical features help distinguish it from other lacunar stroke types.

Area of Science:

  • Neurology
  • Stroke Medicine
  • Neuroimaging

Background:

  • Lacunar strokes are small ischemic or hemorrhagic infarcts in the deep brain structures.
  • Hemorrhagic lacunar stroke is a less common subtype, often presenting with overlapping symptoms with other stroke types.
  • Accurate differentiation of hemorrhagic lacunar stroke is crucial for appropriate management.

Purpose of the Study:

  • To identify clinical and neuroimaging predictors differentiating hemorrhagic lacunar stroke from non-hemorrhagic lacunar stroke and non-lacunar intracerebral hemorrhage.
  • To assess the frequency of hemorrhagic lacunar stroke within a prospective stroke registry.

Main Methods:

  • Retrospective analysis of 17 patients with hemorrhagic lacunar stroke from a prospective stroke registry.
  • Comparison of demographic, anamnestic, clinical, and neuroimaging variables between hemorrhagic lacunar stroke, non-lacunar intracerebral hemorrhage, and non-hemorrhagic lacunar stroke groups.

Related Experiment Videos

  • Logistic regression analysis to identify independent predictors of hemorrhagic lacunar stroke.

    • Main Results:

    • Hemorrhagic lacunar stroke constituted 3.8% of lacunar syndromes and 7.4% of intracerebral hemorrhages in the registry.
    • Compared to non-lacunar hemorrhage, hemorrhagic lacunar stroke showed higher rates of hypertension, smoking, and internal capsule involvement.
    • Key predictors for hemorrhagic lacunar stroke included headache (OR 10.14), sudden onset (OR 9.89), and absence of dysarthria (OR 0.10).

    Conclusions:

    • Headache, sudden symptom onset, and lack of dysarthria are significant indicators for diagnosing hemorrhagic lacunar stroke.
    • These clinical findings aid in distinguishing hemorrhagic lacunar stroke from other stroke etiologies.
    • Further research can refine diagnostic criteria and improve patient outcomes.