October 2, 2025Neurosurgical FOCUSOpen Access

Air matters: the role of postoperative intracranial pneumocephalus in recurrence of chronic subdural hematomas evaluated through a multivariate analysis of 460 patients comparing closed drainage versus standard irrigation

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Discussion

Retrospective cohort study reveals closed drainage reduces recurrence and postoperative pneumocephalus in CSDH patients.

Postoperative pneumocephalus significantly reduced with closed drainage system compared to standard irrigation.
Recurrence rates were markedly lower in the closed drainage group, enhancing overall patient outcomes.
Multivariate analysis identified postoperative pneumocephalus and residual hematoma as key predictors of recurrence.
Closed drainage offers a cost-effective and efficient approach in treating chronic subdural hematoma, especially for older patients.

Scala et al. (2025) studied this question.

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