Subarachnoid haemorrhage (SAH): grading and outcome scales

Evidence-based neurology checklist on subarachnoid haemorrhage (sah): grading and outcome scales: Hunt and Hess scale I: Asymptomatic or mild symptoms II: Moderate to severe symptoms and signs III: Drowsiness, confusion, and mild motor deficits IV: Stupor and moderate to severe clinical signs V:…

Hunt and Hess scale

  • I: Asymptomatic or mild symptoms
  • II: Moderate to severe symptoms and signs
  • III: Drowsiness, confusion, and mild motor deficits
  • IV: Stupor and moderate to severe clinical signs
  • V: Coma and decerebrate posturing

World Federation of Neurological Surgeons scale

Fisher CT grading scale

Fisher revised (Claassen) CT grading scale

Outcome scales

References

  1. Hunt WE, Hess RM. Surgical risk as related to time of intervention in the repair of intracranial aneurysms. J Neurosurg 1968; 28:14-20.
  2. Report of World Federation of Neurological Surgeons Committee on a Universal Subarachnoid Hemorrhage Grading Scale. J Neurosurg 1988; 68:985-986.
  3. Fisher C, Kistler J, Davis J. Relation of cerebral vasospasm to subarachnoid hemorrhage visualized by computerized tomographic scanning. Neurosurgery 1980; 6: 1–9.
  4. Claassen J, Bernardini GL, Kreiter K, et al. Effect of cisternal and ventricular blood on risk of delayed cerebral ischemia after subarachnoid hemorrhage, the fisher scale revisited. Stroke 2001; 32:2012-2020.
  5. Witsch J, Frey HP, Patel S, et al. Prognostication of long-term outcomes after subarachnoid hemorrhage: The FRESH score. Ann Neurol 2016; 80:46-58. 
  6. And 3 more. Subscribe to see the full list

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