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Related Experiment Videos

Spontaneous early improvement following ischemic stroke

J F Rothrock1, W M Clark, P D Lyden

  • 1Department of Neurology, University of South Alabama, Mobile 36617, USA.

Stroke
|August 1, 1995
PubMed
Summary

Early spontaneous neurological improvement occurs in 24% of acute ischemic stroke patients, more frequently in lacunar stroke cases. However, most patients with severe deficits remain impaired after one week.

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Area of Science:

  • Neurology
  • Stroke Medicine
  • Clinical Neuroscience

Background:

  • Early spontaneous neurological improvement is frequently observed following acute ischemic stroke.
  • Understanding the incidence and predictors of this improvement is crucial for patient management and prognosis.

Purpose of the Study:

  • To determine the incidence of early spontaneous neurological improvement in acute ischemic stroke patients.
  • To investigate the potential relationship between stroke etiology, particularly lacunar stroke, and early improvement.

Main Methods:

  • Prospective evaluation of 68 patients presenting within 12 hours of ischemic stroke.
  • Inclusion criteria: moderate to severe acute neurological deficit, no stroke-specific therapy or only antiplatelet therapy.
  • Re-examination of patients at 1 week post-stroke onset.

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Main Results:

  • Sixteen out of 68 patients (24%) showed improvement to no or mild functional deficit at 1 week.
  • Patients with lacunar stroke demonstrated a higher rate of early improvement (36%) compared to other etiologies (17%), though not statistically significant (P = .15).

Conclusions:

  • A substantial proportion of acute ischemic stroke patients experience early spontaneous neurological improvement.
  • Lacunar stroke may be associated with a higher likelihood of early improvement.
  • Despite potential for early improvement, the majority of patients with acutely disabling strokes remain significantly impaired at 1 week.