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Updated: Jul 11, 2026

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The Mouse Stroke Unit Protocol with Standardized Neurological Scoring for Translational Mouse Stroke Studies
Published on: February 7, 2025
A practical stroke severity scale predicts hospital outcomes.
P S Reynolds1, C T Crenshaw, D S Lefkowitz
1Department of Neurology, Wake Forest University School of Medicine, Winston-Salem, NC 27157, USA.
Summary
The Wake Forest Stroke Severity Scale (WFSSS) effectively predicts patient outcomes and hospital resource use in acute ischemic stroke cases. This practical tool aids in stratifying stroke severity upon admission for better inpatient care management.
Area of Science:
- Neurology
- Clinical Medicine
- Health Services Research
Background:
- A validated clinical severity scale for acute ischemic stroke is needed to predict patient outcomes and optimize inpatient resource utilization.
- Current methods lack a standardized approach for stratifying stroke severity at admission, hindering efficient care planning.
Purpose of the Study:
- To develop and validate the Wake Forest Stroke Severity Scale (WFSSS) as a practical tool for predicting acute hospital outcomes and resource use.
- To establish a reliable method for stratifying stroke severity based on the admission neurologic examination.
Main Methods:
- The study prospectively evaluated 271 acute ischemic stroke patients using the WFSSS, classifying severity based on neurologic exam components (consciousness, strength, dysphasia, neglect, gait).
- National Institutes of Health Stroke Scale (NIHSS) was administered early in admission.
- Associations between WFSSS ratings and discharge disposition, length of stay (LOS), and hospital charges were analyzed using statistical tests.
Main Results:
- 50% of patients had mild stroke, 22% moderate, and 28% severe, as per WFSSS classification.
- Initial WFSSS severity ratings demonstrated a significant correlation with discharge disposition (home, rehab, SNF, death), LOS, and hospital charges (P < .001).
Conclusions:
- The WFSSS is a practical clinical tool for acute ischemic stroke that accurately predicts hospital disposition, LOS, and charges based on admission neurologic assessment.
- The WFSSS can facilitate more precise, severity-adjusted comparisons of care across different healthcare institutions.
