Neurology · Emergency Medicine
ASTRAL Score for Acute Ischemic Stroke calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
Allowed range: 18–110 years
Allowed range: 0–42 points
Allowed range: 20–800 mg/dL
Result
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Clinical inputs
- astral age yearsAccepted range: 18 to 110
- astral nihss (points)Accepted range: 0 to 42
- astral time > 3 hours
- astral visual field defect
- astral glucose mg dl (mg/dL)Accepted range: 20 to 800
- astral level of consciousness impaired
Primary source
Ntaios G et al. An integer-based score to predict functional outcome in acute ischemic stroke: the ASTRAL score. Neurology. DOI: 10.1212/WNL.0b013e318259e221. PMID: 22649218. Scope: previously independent patients with acute ischemic stroke admitted within 24 hours of onset; score predicts 3-month mRS >2. Points: age (1 per 5 years) + NIHSS + 2 (onset-to-admission >3h) + 2 (visual field defect) + 1 (glucose <3.7 or >7.3 mmol/L) + 3 (impaired consciousness). A score of ~31 corresponds to ~50% probability of mRS >2. (2012)
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