Continuous quantitative EEG monitoring in hemispheric stroke patients using the brain symmetry index.

  • van Putten M
  • Tavy D
  • Putten M
 et al. 
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Abstract

BACKGROUND AND PURPOSE: There is increased awareness that continuous brain monitoring might benefit neurological patients, because it may allow detection of derangement of brain function in a possible reversible state, allowing early intervention. Here, we explore if quantitative continuous electroencephalography (cEEG) monitoring is technically feasible and possibly clinically relevant in patients with acute ischemic hemispheric stroke.Materials- Twenty-one consecutive patients with an acute hemispheric stroke were monitored in our stroke unit, using cEEG for 12 to 24 hours on the day of admission. EEGs were quantified using a particular measure for symmetry, the brain symmetry index (BSI). This measure was subsequently correlated with the clinical condition of the patient using the National Institute of Health Stroke Scale (NIHSS). RESULTS: cEEG was technically feasible. We found a most satisfying positive correlation between the BSI and the NIHSS, with rho approximately 0.86 (P

Author-supplied keywords

  • 80 and over
  • Aged
  • Electroencephalography
  • Female
  • Humans
  • Male
  • Middle Aged
  • Monitoring
  • Physiologic
  • Stroke: physiopathology
  • because it may allow
  • brain
  • brain symmetry index ⅲ
  • detection of derangement of
  • electroencephalography ⅲ monitoring ⅲ
  • here is increased awareness
  • itoring might be beneficial
  • stroke
  • that continuous brain mon-
  • to neurological patients

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Authors

  • Michel J A M van Putten

  • Dénes L J Tavy

  • Michel J A M Van Putten

  • L J Tavy

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