“…ere is no general agreement on the best surgical approach, craniotomy, [5,31,32,43,51,52,61] or burr hole, and irrigation. [15,19,23,24,38,41,44] e second pathogenic mechanism would suggest that evacuation of the CSDH alone is not sufficient, and that removal of the membrane of the AC and coagulation of the associated abnormal vessels by craniotomy are required to prevent or reduce the risk of rebleeding. However, irrigation of the CSDH through burr holes was shown to be adequate in most of the cases.…”