Results: Onset of analgesia in GroupⅠwas significantlyfaster than that in GroupⅡ(P＜0.01). There were no significant difference in VAS scores,demanded delivery, drug dose, sedation score, side effects, and patient satisfaction (P＞0.05).
结果：Ⅰ组患者镇痛起效时间显著快于Ⅱ组(P＜0.01)，两组疼痛评分、按压次数、药物用量、镇静评分、术后并发症与不良反应发生率及镇痛满意度的差异均无统计学意义(P＞0.05)。
参考来源 - 术后镇痛对心外科手术患者应激反应的影响及不同镇痛方法的比较·2,447,543篇论文数据，部分数据来源于NoteExpress
结论结肠镜诊疗时应用笑气吸入镇痛起效快，效果好，操作简便安全。
Conclusion the effect of using nitrous oxide to ease the pain during diagnosis and therapy with colonoscopy is fast and obvious, and the operation is easy and safe.
癌性疼痛患者镇痛起效时间和持续时间以及生活质量的改善，可能与细胞免疫功能的正向调节有关。
The improvement of the analgesia time and the life qualities of patients is probably related with the positive adjustment of cellular immunity.
结论碧兰麻用于口腔治疗麻醉具有毒副作用小、起效快、渗透力强、出血少、镇痛效果好等优点，可广泛用于口腔诊疗的麻醉。
Conclusions The Primacaine can be widely used in the oral cavity diagnosis with little noxious effect, good efficaciousness, strong osmosis, little hemorrhage and excellent pain-easing effect.
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