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Determining the Functional Status of the Corticospinal Tract Within One Week of Stroke
Published on: February 22, 2020
Somatosensory evoked response and recovery from stroke
1Department of Neurology, School of Medicine, Case Western Reserve University, Cleveland, OH.
Archives of Physical Medicine and Rehabilitation
|July 1, 1989
Summary
Median nerve somatosensory evoked potentials (SEP) help predict stroke recovery. Normal SEP indicated better outcomes, while absent potentials correlated with lower functional levels after rehabilitation.
Area of Science:
- Neuroscience
- Rehabilitation Medicine
Background:
- Stroke rehabilitation outcomes are variable.
- Accurate prognostic indicators are crucial for patient management.
Purpose of the Study:
- To assess median nerve short latency somatosensory evoked potentials (SEP) as prognostic tools for functional recovery after right cerebral infarction.
- To identify predictors of functional outcome using the Barthel Scale.
Main Methods:
- Twenty-six patients with right cerebral infarction were grouped based on admission SEP.
- Stepwise multiple regression analysis evaluated SEP and nine other variables against the Barthel Scale outcome.
- Predictive accuracy of various factors was compared.
Main Results:
- Patients with normal SEP achieved significantly higher Barthel scores (95 +/- 3.9) compared to those with amplitude asymmetry (77.5 +/- 17.5) or absent cortical potentials (59.5 +/- 21.3).
- Barthel admission score, SEP, electroencephalogram, Brunnstrom staging, joint position sense, and hemihypesthesia were significant predictors (p < 0.05).
- A regression model including Barthel admission score, SEP, and homonymous hemianopsia offered the best prediction (p = 0.005).
Conclusions:
- The Barthel admission score is a primary predictor of functional level post-stroke rehabilitation.
- Incorporating median nerve SEP and homonymous hemianopsia enhances the prediction of stroke recovery outcomes.
