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Prevalence of and risk factors for recurrence of chronic subdural hematoma

Wendong You1, Yuanrun Zhu1, Yadong Wang1

  • 1Department of Neurosurgery, First Affiliated Hospital, College of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou, Zhejiang Province, 310003, China.

Acta Neurochirurgica
|March 14, 2018
PubMed

Insights

Chronic subdural hematoma (CSDH) recurrence after surgery is 15%. Key risk factors include homogenous hyper-dense hematoma and shorter subdural drainage duration, with longer drainage reducing recurrence risk.

Area of Science:

  • Neurosurgery
  • Clinical Medicine
  • Medical Research

Background:

  • Chronic subdural hematoma (CSDH) is a prevalent neurosurgical condition.
  • CSDH exhibits a significant rate of recurrence following surgical intervention.
  • Identifying predictors of CSDH recurrence is crucial for improving patient outcomes.

Purpose of the Study:

  • To determine the recurrence rate of CSDH post-surgery.
  • To identify independent risk factors associated with CSDH recurrence.

Main Methods:

  • Retrospective analysis of consecutive CSDH surgical cases.
  • Univariate and multivariate logistic regression employed to identify recurrence predictors.
  • Statistical analysis performed on 226 CSDH patients.

Main Results:

  • The overall CSDH recurrence rate was 15.0% (34 out of 226 patients).
  • Homogenous hyper-dense hematoma (20.6% vs 6.3%) and shorter subdural drainage (1.2 days vs 1.5 days) were associated with recurrence.
  • Independent predictors for recurrence were homogenous hyper-dense hematoma (OR=4.94) and duration of subdural drainage (OR=0.66).

Conclusions:

  • Homogenous hyper-dense hematoma and duration of subdural drainage are independent predictors of CSDH recurrence.
  • Extended postoperative subdural drainage is linked to a reduced risk of CSDH recurrence.
  • These findings can inform surgical strategies to minimize CSDH recurrence.
Abstract

Keywords:
Chronic subdural hematomaHematoma densityPrevalenceRecurrenceRisk factors

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