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Hunt & Hess classification of subarachnoid haemorrhage
Clinical grade and prognosis for aneurysmal SAH.
Hunt & Hess classification of subarachnoid haemorrhage
Clinical grade
ResultGrade I
Approximate survival about 70 %; higher grades carry worse surgical risk and outcome.
- Approximate survival
- 70 %
When to use
- Grading severity and estimating prognosis in aneurysmal subarachnoid haemorrhage.
Formula
Grades I-V by level of consciousness, headache, meningismus, and focal deficit. Add one grade for serious systemic disease or severe vasospasm.
Pearls and pitfalls
- Survival figures are historical surgical-era estimates and vary with modern neurocritical care.