Clinic characters of chronic subdural hematoma developing from traumatic subdural effusion

Objective:To probe into the incidence and clinical characteristics of chronic subdural hematoma(CSDH)developing from traumatic subdural hygroma(TSH).Methods:The clinical date of 5 cases with CSDH developing from TSH were analyzed retrospectively and the correlative literature was reviewed.Results:A total of 5 TSH cases developed into CSDH,with the incidence as 8.47%.All of these 5 cases had clear history of head injury.The locations of the hematoma were frontotemporal(4 cases)and parietotemporal(1 case),with various clinical characteristics.All patients were cured after treated by burr hole irrigation and continuous closed-system drainage.Conclusions:TSH is a important cause for CSDH.It occurs at extensive ages.The clinical characteristics of TSH developing into CSDH include the mild cerebral damage,the frontotemporal effusion,susceptible patients undergoing conservative treatment.