Improvement in aphasia scores after stroke is well predicted by initial severity

  • Lazar R
  • Minzer B
  • Antoniello D
 et al. 
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BACKGROUND AND PURPOSE Most improvement from poststroke aphasia occurs within the first 3 months, but there remains unexplained variability in recovery. Recently, we reported a strong correlation between initial impairment and change scores in motor recovery at 90 days. We wanted to determine whether aphasia recovery (defined as a change from baseline to 90 days) shows a comparably strong correlation and whether the relation was similar to that in motor recovery. METHODS Twenty-one stroke patients had aphasia scores on the Western Aphasia Battery (WAB) obtained on stroke admission (WAB(initial)) and at 90 days (WAB(3 mo)). The relation between actual change (Delta) scores (defined as WAB(3 mo)- WAB(initial)) and WAB(initial) was calculated in multiple-regression analysis. RESULTS Regression analysis demonstrated that WAB(initial) was highly correlated with DeltaWAB (R(2)=0.81, P

Author-supplied keywords

  • aphasia
  • behavioral neurology
  • brain recovery
  • cerebral infarct
  • speech therapy
  • stroke recovery

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  • Brandon Minzer

  • Daniel Antoniello

  • Joanne R. Festa

  • John W. Krakauer

  • Randolph S. Marshall

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