作者进行随机双盲对照试验,用哌吡二氮(艹卓)(pirenzepine)预防十二指肠溃疡复发。方法内窥镜证实十二指肠溃疡经已治愈的患者250例,随机分成两组。A 组126例,服哌吡二氮(艹卓)25mg,每日2次;B 组124例,服哌吡二氮(艹卓)50mg,每日2次。两组均于1月初至3月末和9月初至11月末服药,连续两年。每年的2月、5月及11月末复查内窥镜。结果两年中,5月溃疡复发率为22.1%,而用 The authors conducted a randomized double-blind controlled trial of pirenzepine to prevent the recurrence of duodenal ulcer. Methods Endoscopic confirmed duodenal ulcer patients have been cured in 250 cases, were randomly divided into two groups. A group of 126 cases, taking piperazepoxide (艹 Zhuo) 25mg, 2 times a day; B group 124 cases, taking piperazepoxide (艹 Zhuo) 50mg, 2 times a day. Both groups took medication from early January to late March and early September to late November for two consecutive years. Review the endoscope every February, May and November. Results In two years, the recurrence rate of ulcer in May was 22.1%