Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 8/23/2025

Management of Subdural Hematoma

Medical Management

  • Cerebral perfusion pressure should be maintained between 60-70 mmHg in the absence of multi-modal monitoring, as recommended by the Anaesthesia guideline society 1
  • For intracranial hypertension, mannitol 20% or hypertonic saline solution at a dose of 250 mOsm can be administered over 15-20 minutes, according to the Anaesthesia guideline society 1

Chronic Subdural Hematoma Management

  • Small or asymptomatic subdural hematomas can be managed conservatively, as suggested by the Journal of Neurology, Neurosurgery and Psychiatry guideline society 2

Post-operative Care

  • Patients should be positioned with head elevated as comfortable, as recommended by the Journal of Neurology, Neurosurgery and Psychiatry guideline society 3
  • Thromboprophylaxis should be considered during immobilization following procedures, according to the Journal of Neurology, Neurosurgery and Psychiatry guideline society 3

Follow-up and Monitoring

  • Patients should be advised to seek urgent medical attention for new-onset severe headache, neurological deficits, or altered mental status, as recommended by the Journal of Neurology, Neurosurgery and Psychiatry guideline society 3