OBJECTIVE:To evaluate the clinical efficacy of cinepazide maleate in combination with magnesium sulfate for traumatic subarachnoid hemorrhage.METHODS:A total of 160 patients with traumatic subarachnoid hemorrhage were randomly assigned to 4 groups:Control group(n=40)received conventional therapy alone(hemostasis,dehydration,hormone and drugs promoting recovery of nervous function;Group Ⅰ(Control group,n=40)received cinepazide maleate plus conventional therapy;Group Ⅱ(n=40)received magnesium sulfate plus conventional therapy,and Group Ⅲ(n=40)received cinepazide maleate in combination with magnesium sulfate in additional to the conventional therapy.All the drugs were given in every 12 h for 14 consecutive days.Transcranial Doppler(TCD)examination was scheduled at 0,3,7,14 days after admission to observe the incidences of cerebral angiospasm(CVS)and patients' prognosis.RESULTS:There were significant differences between Group Ⅲ and the other 3 groups(Control group,Group Ⅰ and Group Ⅱ)in the incidence of CVS,the change of the blood flow rate of the middle cerebral artery and patients' prognosis at 3 and 6 months respectively(P