JAMA:术中高正呼气末正压策略不能降低肥胖患者术后肺并发症风险

2019-06-19 MedSci MedSci原创

研究认为,全麻下接受手术的肥胖患者中,增加术中正呼气末正压策略并不能减少术后肺部并发症

术中较高的正呼气末正压(PEEP)联合肺泡复张操作可改善手术中肥胖患者的呼吸功能,但其对临床结果的影响尚不确定。近日研究人员考察了肥胖患者PEEP水平与术后肺部并发症之间的关系。

BMI35以上患者,在全身麻醉下接受非心脏、非神经外科手术,患者随机分为高水平PEEP组(n=989,PEEP水平为12 cm H2O)并伴有肺泡收缩或低水平PEEP组(n=987,PEEP水平为4cmH2O)。研究的主要结果为术后前5天的肺部并发症,包括呼吸衰竭、急性呼吸窘迫综合征、支气管痉挛、新发肺浸润、肺部感染、吸入性肺炎、胸腔积液、肺不张、心肺水肿和气胸。

在2013名随机分组的成人中,1976名(98.2%)完成了试验(平均年龄48.8岁,1381名女性,1778名接受了腹部手术)。在意向性治疗分析中,高水平PEEP组的989例患者中有211例(21.3%)发生了主要事件,而低水平PEEP组的987例患者中有233例(23.6%)发生了主要结果(差异?2.3,风险比=0.93)。在9个预先设定的次要结局中,6个在高水平和低水平的PEEP组之间没有显著差异,3个显著差异,包括低氧血症患者较少(高水平PEEP组5.0%,低水平PEEP组13.6%,差异?8.6%)。

研究认为,全麻下接受手术的肥胖患者中,增加术中正呼气末正压策略并不能减少术后肺部并发症。

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    2019-12-29 丁鹏鹏
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    2019-07-11 12565424m76暂无昵称

    学习了

    0

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    2019-06-20 thm112988

    很好

    0

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