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Methods

The authors systematically reviewed the literature, using PubMed, with the search terms “chronic subdural hematoma”,“craniotomy”, and “outcomes”. Any studies with only TDC or BHC as a surgical intervention or articles that combined outcomes of craniotomy with another subgroup were excluded. Non-English articles were also excluded. Patient cohort details, mortality, clinical outcomes, recurrence rate, and complication rates were documented for each study. Risk factors for either “poor” clinical outcomes or recurrence requiring operative intervention were documented as well as each group’s specific definition of “poor outcome.” Finally, the authors’ institutional philosophy for triage of cSDH, surgical design, patient selection, and details of operation for performing a craniotomy were reviewed.