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腹腔镜子宫次全切除术中CO_2气腹对肺顺性及肺内血分流的影响 被引量:6

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摘要 目的观察腹腔镜子宫次全切除术中CO_2气腹及体位对肺顺性和肺内血分流的影响。方法选择20例子宫多发肌瘤患者,于腹腔镜下行子宫次全切除术。术中CO_2气腹压力15mmHg,头低30°仰卧截石位,应用旁流通气监测法及动静脉血气分析,监测全麻控制呼吸过程中CO_2人工气腹前、中、后肺顺应性,气道压力,呼吸压力-容量环及肺内血分流率(Qs/Qt)的变化,同时监测血压、心率、心电图,术中胸片观察横膈移位情况。结果 20例患者于头低30°仰卧截石位,15 mmHg CO_2人工气腹中肺顺应性明显降低(P<0.05),气道峰压、气道平台压急剧升高(均P<0.05),肺内血分流率明显上升(P<0.05),呼气末二氧化碳分压(P_(ET)CO_2)、动脉血二氧化碳分压(PaCO_2)显著升高(均P<0.05),呼吸压力-容量环右移、斜率降低,横膈上移明显,PaO_2随CO_2气腹时间延长呈下降趋势,但SPO_298%~100%。改平卧CO_2气腹后各参数恢复到术前水平。结论头低仰卧截石位、15mmHgCO_2人工气腹可严重影响肺通气功能,使肺顺应性明显降低,肺内血分流明显增多。
机构地区 浙江省人民医院
出处 《现代实用医学》 2010年第12期1343-1345,共3页 Modern Practical Medicine
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共引文献24

同被引文献66

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