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Related Experiment Videos

Prognostic factors after acute subdural hematoma

D L Dent1, M A Croce, P G Menke

  • 1Department of Surgery, University of Tennessee-Memphis 38163, USA.

The Journal of Trauma
|July 1, 1995
PubMed
Summary

Early surgical intervention for acute subdural hematoma (ASDH) in patients with severe head injuries is associated with poorer functional survival, despite initial severity. This finding challenges conventional timing for operative management in ASDH.

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Area of Science:

  • Neurosurgery
  • Trauma Surgery
  • Neurology

Background:

  • Acute subdural hematoma (ASDH) outcomes are influenced by factors like age, Injury Severity Score (ISS), intracranial pressure (ICP), and Glasgow Coma Scale (GCS).
  • Existing data often derive from selected patient groups, limiting generalizability across the full spectrum of ASDH severity.

Purpose of the Study:

  • To evaluate predictive factors for outcome in the entire spectrum of acute subdural hematoma patients.
  • To analyze the impact of management strategies (operative vs. nonoperative) and timing of surgery on functional survival.

Main Methods:

  • A cohort of 211 patients with ASDH and GCS scores ranging from 3 to 15 was evaluated.
  • Patients were categorized into nonoperative (Nonop) and operative (Op) groups based on management.

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  • Operative patients were further classified into early (<4 hours) and delayed (≥4 hours) surgical intervention groups.

    • Main Results:

    • Operative patients exhibited more severe brain injuries, indicated by lower GCS scores and higher incidences of large ASDH with midline shift and basilar cistern effacement compared to nonoperative patients.
    • Early operative intervention (within 4 hours) was associated with a significantly lower incidence of functional survival (24%) compared to delayed intervention (51%).
    • Patients undergoing early surgery presented with more severe head injuries, including lower GCS scores and a higher incidence of associated intracranial injuries and cistern effacement.

    Conclusions:

    • The timing of surgical evacuation for acute subdural hematoma may significantly impact functional survival.
    • Early surgical intervention in ASDH patients, particularly those with severe head injuries, may be linked to worse outcomes.
    • Further research is warranted to refine optimal surgical timing strategies for acute subdural hematoma based on injury severity and patient characteristics.