Twist Drill Procedure for Chronic Subdural Hematoma Evacuation: An Analysis of Predictors for Treatment Success

TDC is an effective treatment option for CSDH. Sufficient treatment with single TDC was more common in smaller hematomas with an associated smaller residual hematoma. Failure of brain re-expansion after TDC may increase the treatment failure rates. In these cases, an open surgical evacuation might accelerate treatment and clinical recovery.