作者用双盲法研究异搏定预防偏头痛的效果。评价的12例偏头痛病人(无充血性心衰、房室结功能障碍、窦结综合征、肾或肝功能损害以及使用β—阻滞剂或强心甙药物的治疗史),分别在2个试验期接受盐酸异搏定80mg(每天4次)或安慰剂,每个试验期3个月,中间间隔5天,在这期间不服任何预防药。记录每天偏头痛的发作次数、严重性和持续时间,计算头痛单位指数(每天的严重症状发 The authors use double-blind study of verapamil to prevent migraine effect. Evaluations of 12 migraineurs (no history of congestive heart failure, atrioventricular node dysfunction, sinus syndrome, renal or hepatic impairment, and treatment with beta-blockers or cardiac glycosides) were performed at 2 A trial of verapamil hydrochloride 80mg (4 times a day) or placebo, each of the three-month trial interval of 5 days, during this period refused to accept any preventive medicine. Record the number of migraine attacks each day, the severity and duration of headache unit index calculated (severe symptoms of hair