膈肌超声评估在急性呼吸窘迫综合征机械通气患者预后预测中的价值

LEI Jiaxi, WANG Lu, ZHANG Jing, WANG Huijuan, LIU Shiping, LI Zhenwen, GUO Zhengxin, WANG Binyu,ZHANG Hao, ZHONG Zhentong,XIE Wenjie, KONG Bo,WANG Houshu, WANG Shasha, WANG Xiaoqing,ZHAN Liying

Medical Journal of Wuhan University(2023)

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Abstract
目的:探讨床旁膈肌超声测量对急性呼吸窘迫综合征(ARDS)机械通气患者预后预测的价值.方法:采用前瞻性观察性研究方法,纳入某三甲医院ARDS机械通气治疗患者,应用床边超声评估患者的膈肌厚度和膈肌增厚分数.结果:本研究共纳入病例39例,APACHE Ⅱ评分10~32分,SOFA评分4~12分.本研究纳入病例死亡率30.8%(12/39),死亡组和幸存组的PaO2/FiO2、APACHE Ⅱ评分和SOFA评分有显著差异(P<0.05);随着时间延长,两组的膈肌厚度和膈肌增厚分数均下降,且在入住ICU24 h后死亡组患者的膈肌厚度和膈肌增厚分数下降更显著(P<0.05);ROC曲线分析结果显示,预测死亡率的曲线下面积(AUC)最高值为72h的膈肌厚度(AUC=0.790,95%CI:0.635~0.045,P=0.004),其最佳临界值为 1.65 mm(敏感性 91.67%,特异性 62.96%),且其AUC值高于APACHE Ⅱ评分、SOFA评分和PaO2/FiO2.结论:在ARDS接受机械通气治疗的患者中,床边膈肌超声评估用于预测患者的预后具有便于操作、技术难度低、可重复性高、成本低等优势.
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Key words
Diaphragm,Ultrasound,Acute Respiratory Distress Syndrome,Prognosis,Me-chanical Ventilation
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