In this study 43 diagnosed and operated chronic subdural hematomas events analysed clinically in the Neurosurgical Department of Atatürk University Erzurum, Turkey. 60.4% of the patients were found to be under 60 years of age. The most frequent findings were pathological reflexes, and hemiparesis at the rates of 58.1% and 50.4% respectively. All of operations were performed using the burr-hole craniostomy and closed system drainage technique.