ToolsCalculators
DRAGON score for post-tPA stroke outcome
Predicts 3-month functional outcome after IV thrombolysis for ischaemic stroke.
DRAGON score for post-tPA stroke outcome
Hyperdense artery or early infarct signs on baseline CT
Pre-stroke modified Rankin Scale >1
Age
Baseline glucose >8 mmol/L (>144 mg/dL)
Onset-to-treatment time >90 minutes
Baseline NIHSS
Result0 points
Score 0/10: about 96 % chance of good outcome (mRS 0-2).
- DRAGON score
- 0 / 10
When to use
- Estimating likelihood of functional independence at 3 months after IV tPA in anterior-circulation ischaemic stroke.
Formula
Points: (hyper)Dense artery / early infarct on CT (0-2); pre-stroke mRS >1 (1); Age <65/65-79/>=80 (0/1/2); Glucose >8 mmol/L (1); Onset-to-treatment >90 min (1); NIHSS 0-4/5-9/10-15/>15 (0/1/2/3). Range 0-10.