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中华重症医学电子杂志 ›› 2022, Vol. 08 ›› Issue (02) : 140 -146. doi: 10.3877/cma.j.issn.2096-1537.2022.02.010

临床研究

SpO2/FiO2预测ARDS患者临床结局的价值
马青1, 姚杨1, 彭伊梦1, 李思雨1, 丁格1, 王胜昱1,()   
  1. 1. 710003 西安,西安医学院第一附属医院呼吸与危重症医学科
  • 收稿日期:2021-10-28 出版日期:2022-07-04
  • 通信作者: 王胜昱
  • 基金资助:
    西安市第七批科技计划项目(20YXYJ0001(7)); 医学科研发展基金项目-临床与基础研究专项(B21021BN)

Application of SpO2/FiO2 in predicting the clinical outcome of patients with ARDS

Qing Ma1, Yang Yao1, Yimeng Peng1, Siyu Li1, Ge Ding1, Shengyu. Wang1,()   

  1. 1. Department of Respiratory and Critical Medicine, the First Affiliated Hospital of Xi'an Medical College, Xi'an 710003, China
  • Received:2021-10-28 Published:2022-07-04
  • Corresponding author: Shengyu. Wang
引用本文:

马青, 姚杨, 彭伊梦, 李思雨, 丁格, 王胜昱. SpO2/FiO2预测ARDS患者临床结局的价值[J/OL]. 中华重症医学电子杂志, 2022, 08(02): 140-146.

Qing Ma, Yang Yao, Yimeng Peng, Siyu Li, Ge Ding, Shengyu. Wang. Application of SpO2/FiO2 in predicting the clinical outcome of patients with ARDS[J/OL]. Chinese Journal of Critical Care & Intensive Care Medicine(Electronic Edition), 2022, 08(02): 140-146.

目的

探讨脉搏血氧饱和度/吸入氧浓度(SpO2/FiO2)是否可以作为预测急性呼吸窘迫综合征(ARDS)患者临床结局可靠的无创检测指标。

方法

本研究为回顾性研究,共纳入2016年1月至2019年12月入住我院呼吸与危重症医学科的221例ARDS患者,收集其入院后24 h内的SpO2、动脉血氧分压(PaO2)、pH值、FiO2和急性生理学与慢性健康状况(APACHEⅡ)评分。采用线性回归方法分析SpO2/FiO2与PaO2/FiO2的关系。绘制受试者工作特征曲线(ROC),比较SpO2/FiO2、PaO2/FiO2和APACHEⅡ评分ROC的曲线下面积(AUC)。

结果

PaO2/FiO2和SpO2/FiO2呈高度相关(R2=0.641,P<0.001)。PaO2/FiO2、SpO2/FiO2、APACHEⅡ评分预测ARDS患者院内病死率的AUC分别为0.586(95%CI:0.498~0.674,P=0.051),0.644(95%CI:0.503~0.681,P<0.05),0.782(95%CI:0.717~0.846,P<0.05)。

结论

SpO2/FiO2可替代PaO2/FiO2作为预测ARDS患者临床结局可靠的无创指标。

Objective

To explore whether SpO2/FiO2 can be used as a reliable noninvasive testing indicators for predicting clinical outcome in patients with ARDS.

Methods

This was a retrospective study of 221 ARDS patients enrolled in the Department of Respiratory Critical Care of our hospital from January 2016 to December 2019. SpO2, PaO2, pH, FiO2 and APACHE Ⅱ score within 24 hours of admission were collected. The relationship between SpO2/FiO2 and PaO2/FiO2 was analyzed by using linear regression methods. Receiver operator characteristic curve (ROC) were plotted to compare the area under the SpO2/FiO2, PaO2/FiO2 and APACHE Ⅱ score ROC curves (AUC).

Results

PaO2/FiO2 and SpO2/FiO2 were highly correlated (R2=0.641, P<0.001), AUC of PaO2/FiO2, SpO2/FiO2, APACHE Ⅱ score that predicted hospital mortality in patients with ARDS was 0.586 (95%CI: 0.498-0.674, P=0.051), 0.644 (95%CI: 0.503-0.681, P<0.05), 0.782 (95%CI: 0.717-0.846, P<0.05), respectively.

Conclusion

SpO2/FiO2 can be a substitute for PaO2/FiO2 as a reliable noninvasive indicator for predicting clinical outcome in ARDS patients.

图1 ARDS患者筛选的流程图注:ARDS为急性呼吸窘迫综合征;SpO2为脉搏血氧饱和度
图2 ARDS患者SpO2/FiO2与PaO2/FiO2的Spearman相关散点图注:ARDS为急性呼吸窘迫综合征;PaO2为动脉血氧分压;FiO2为吸入氧浓度;SpO2为脉搏血氧饱和度;1 mmHg=0.133 kPa
表1 2组ARDS患者临床特征及不同预后的基线结果比较[MQ25Q75)]
表2 轻度、中度和重度ARDS患者院内病死率的二元Logistic回归分析
图3 ARDS患者SpO2/FiO2、PaO2/FiO2、1/APACHEⅡ评分的ROC曲线注:ARDS为急性呼吸窘迫综合征;SpO2为脉搏血氧饱和度;FiO2为吸入氧浓度;PaO2为动脉血氧分压;APACHEⅡ为急性生理学与慢性健康状况;ROC为受试者工作特征曲线
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