Key result
Higher early poststroke BSItheta linked to worse upper limb motor impairment at six months.
Why the study?
To investigate whether resting-state EEG parameters recorded early poststroke predict upper extremity motor impairment at six months, and whether they add prognostic value to baseline Fugl-Meyer motor scores.
Do early resting-state EEG parameters predict upper limb motor impairment six months poststroke in adults with first-ever ischemic hemispheric stroke?
Population
39 adults within three weeks after a first-ever ischemic hemispheric stroke
Comparison
Early quantitative resting-state EEG parameters evaluated for prognostic value
Design
Cohort study
Follow-up
26 weeks
Authors
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BSItheta may aid early upper limb prognosis poststroke; hypothesis-generating and requires prospective validation before clinical adoption.
Cohort (n=39)
Do early resting-state EEG parameters predict upper limb motor impairment six months poststroke in adults with first-ever ischemic hemispheric stroke?
Effect estimate: β = -0.40
p-value: p=0.013
Early resting-state EEG parameters, specifically BSItheta, provide additive prognostic value to baseline clinical scores for predicting upper extremity motor recovery six months poststroke.
Saes et al. (2020) conducted a cohort in First-ever ischemic hemispheric stroke (n=39). Resting-state EEG parameters (BSItheta) was evaluated on Upper extremity motor impairment reflected by the Fugl-Meyer motor score (FM-UE) at 26 weeks poststroke (β = -0.40, p=0.013). Higher brain symmetry index over the theta band (BSItheta) early poststroke predicted worse upper limb motor impairment at six months (β = -0.40; p = 0.013).
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