本研究比较4种不同的鸦片类制剂在胃肠道内镜检查中分别与安定合用时的镇静与止痛作用。120例内镜受检者随机分成4组(各组30)例,其中消化道(EGD)和下消化道内镜检查(C/S)各15例。术前均静注安定1他3mg(根据需要可增加0.5～1mg)。第一组(F)投于芬太尼50～100μg(增加25～50μg),第二组(M)杜冷丁50～100mg(增加25～50mg),第 This study compared the sedation and analgesia of four different opioid preparations in combination with diazepam in gastrointestinal endoscopy. 120 cases of endoscopic subjects were randomly divided into 4 groups (30 cases in each group), of which 15 cases of gastrointestinal (EGD) and lower gastrointestinal endoscopy (C / S). Preoperative intravenous stability 1 he 3mg (according to need to increase 0.5 ~ 1mg). The first group (F) is administered fentanyl 50 ~ 100μg (25 ~ 50μg increase), the second group (M) pethidine 50 ~ 100mg (increase 25 ~ 50mg), the first