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七氟烷吸入麻醉复合呼气末正压通气对老年患者呼吸功能的影响 被引量:3

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摘要 七氟烷是一种血气分配系数较低的吸人麻醉药,苏醒迅速平稳,临床应用广泛。但吸人麻醉药可能改变肺内血流分布,导致通气/血流比值失调和肺内分流量增加。且老年患者肺部术前常存在不同程度的改变,表现为肺部总顺应性降低、肺泡表面活性物质减少等^[1]。呼气末正压通气(PEEP)在一定程度上增加肺内功能余气量,可纠正不同区域气体分布不均的情况,改善肺通气/血流比值。本研究探讨PEEP在老年患者七氟烷吸人麻醉中对呼吸功能的影响。
出处 《江苏医药》 CAS CSCD 北大核心 2012年第7期857-858,共2页 Jiangsu Medical Journal
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