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目的研究探析麻醉诱导期通气方式对腹腔镜胆囊切除术中胃扩张的影响，并总结相关资料，为临床治疗提供借鉴。方法选取近些年在我院接受腹腔镜胆囊切除术的患者作为研究对象，对其进行回顾性分析。另外，将此次研究所选取的60例患者随机分成观察组与对照组两组，每组各30例。对观察组的患者在进行腹腔镜胆囊切除术时采取预氧无正压通气，对照组则采用常规面罩正压辅助通气，对比分析两者对胃扩张的治疗效果。结果通过对比两组患者的临床疗效可以发现，观察组患者的胃扩张发生率明显低于对照组，差异具有统计学意义（p<0.05）结论对于腹腔镜胆囊切除术的患者，在进行麻醉诱导前免做正压通气，实施常规面罩平静自主呼吸4-5分钟预氧合，可以积极防止手术中胃扩张情况的发生，从而方便手术时医生的操作。“,” Objective: To study the effect of anesthesia induction ventilation on LC in gastric dilatation.Methods:60 patients were treated with LC in our hospital,were randomly divided into observation group and control group,30 cases each group.The observation group received LC take preoxygenation without positive pressure ventilation,the control group with conventional mask positive pressure ventilation.Results:the group of dilatation of the stomach was lower,the difference was statisticaly significant (p<0.05).conclusion:in before induction of anesthesia to exempt the positive pressure ventilation,can reduce the incidence rate of gastric distention.