Annals of surgery
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Observational Study
Survival Trends After Surgery for Acute Subdural Hematoma in Adults Over a 20-year Period.
We sought to determine 30-day survival trends and prognostic factors following surgery for acute subdural hematomas (ASDHs) in England and Wales over a 20-year period. ⋯ A significant improvement in survival over the last 20 years was observed after controlling for multiple prognostic factors. Prospective trials and cohort studies are expected to elucidate the distribution of functional outcome in survivors.