Graded neurologic scale for use in acute hemispheric stroke treatment protocols.

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Abstract
A standardized neurologic assessment scoring instrument was developed and tested for use in a multicenter trial of hypervolemic hemodilution in acute hemispheric stroke. Components of the neurologic examination pertinent to hemispheric stroke syndromes were emphasized. The scale was evaluated using 16 acute stroke patients for concurrent validity (Pearson coefficient r = 0.89 compared with global assessments by neurologists or neurosurgeons) and interobserver reliability (r = 0.95 interobserver reliability estimate). Such a scale should prove useful in quantifying neurologic deficits in hemispheric stroke and in following changes in neurologic status during multicenter acute treatment protocols.