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Postoperative course and recurrence of chronic subdural hematoma

Hyuck-Jin Oh1, Kyeong-Seok Lee, Jae-Jun Shim

  • 1Department of Neurosurgery, Soonchunhyang University Cheonan Hospital, Cheonan, Korea.

Journal of Korean Neurosurgical Society
|March 25, 2011
PubMed

Insights

Recurrence of chronic subdural hematoma (CSDH) is common. This study proposes new criteria for early recurrence (within 3 months) and late recurrence (beyond 3 months) to better manage CSDH patients.

Area of Science:

  • Neurosurgery
  • Radiology
  • Neurology

Background:

  • Chronic subdural hematoma (CSDH) presents a significant challenge due to its high recurrence rate.
  • Current criteria for defining CSDH recurrence lack standardization, complicating patient management and outcome assessment.

Purpose of the Study:

  • To evaluate the postoperative course of chronic subdural hematoma (CSDH).
  • To propose refined criteria for defining CSDH recurrence based on clinical and radiological findings.

Main Methods:

  • Retrospective analysis of 149 patients who underwent CSDH surgery between 2005 and 2009.
  • Review of medical records and pre- and postoperative CT scans to assess resolution and recurrence patterns.

Main Results:

  • CSDH resolved within 30 days in 39% of patients, 1-3 months in 42%, and after 3 months in 7%.
  • Recurrence occurred in 12% of patients, with thicker hematomas showing higher recurrence rates.
  • Late resolution or recurrence was more frequent in elderly patients.

Conclusions:

  • Proposed criteria define early recurrence as symptom return or reaccumulation within 3 months post-surgery.
  • Late recurrence is defined as reappearance or enlargement of a liquefied hematoma or persistent CSDH beyond 3 months.
Abstract

Keywords:
Chronic subdural hematomaCraniocerebral traumaDiagnosisRecurrenceRisk Factors

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