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全麻相同潮气量下两种通气模式肥胖病人的氧合指数变化

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摘要 目的:比较肥胖病人全麻分别应用PCV和VCV通气模式,对动脉氧合的影响。方法:选择40例全麻手术的肥胖患者,随机分为压力控制通气组(PCV)和容量控制通气组(VCV),每组20例。呼气末二氧化碳分压维持在35-45mm Hg之间。术前30分钟(T0),手术开始30分钟(T1),手术开始60分钟(T2),手术结束后(T3),进行血气分析。监测和计算血流动力学指标。结果:1、两组病人一般情况差别无统计学意义(P>0.05)2、与VCV组比较,PCV组的Pa O2、OI在T1、T2、T3均高于VCV组(P<0.05)。结论:和VCV比较,PCV在肥胖患者的麻醉中改善通气血流比例,促进气体交换。
作者 田野 代志刚
出处 《新疆医学》 2015年第2期215-218,共4页 Xinjiang Medical Journal
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