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国际临床研究杂志

International Journal of Clinical Research

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International Journal of Clinical Research. 2022; 6: (9) ; 10.12208/j.ijcr.20220431 .

Design and application of oxygen demand assessment dial for transport ventilator
机械通气患者院内转运需氧量查询卡的设计与应用

作者: 赖美红*, 汪笑妹, 张子贤

杭州市中医院 浙江杭州

*通讯作者: 赖美红,单位:杭州市中医院 浙江杭州;

引用本文: 赖美红, 汪笑妹, 张子贤 机械通气患者院内转运需氧量查询卡的设计与应用[J]. 国际临床研究杂志, 2022; 6: (9) : 13-16.
Published: 2022/11/24 19:52:19

摘要

目的 自行设计机械通气患者院内转运耗氧量查询卡,探讨其在转运患者需氧量评估中的临床应用价值。方法 本研究为自身配对设计,对同一转运患者前后用查询卡和氧气压力表评估其需氧量,应用配对样本非参数检验、Spearman线性相关分析和Bland-Altman分析评价两种评估方法所获结果的一致性。结果 查询卡和氧气压力表评估的需氧量分别为3.20(2.80,3.90)Mpa和3.05(2.45,3.78)Mpa,两者呈正相关关系(r=0.984,P<0.001)。查询卡的评估值高于氧气压力表,差异有统计学意义(Z=-8.738,P<0.001)。作Bland-Altman图可见99个样本落在一致性界限内,一致率为99%。结论 经查询卡和氧气压力表两种评估方法所获结果具有高度一致性,可以使用查询卡代替氧气压力表评估转运患者的需氧量。

关键词: 机械通气;院内转运;需氧量;查询卡;氧气压力表

Abstract

Objective: Oxygen demand assessment dial for transport ventilator was original design,and its clinical value in oxygen demand assessment were discussed.
Methods Paired design and self-controlled was applied in the research. We used oxygen demand assessment dial and oxygen pressure gauge assessing oxygen demand in same transit patient. The paired sample nonparametric test, spearman correlation analysis and Bland-Altman method were used to evaluate the agreement of two kinds of results.
Results The mean oxygen demand of assessment dial and oxygen pressure gauge were 3.20(2.80,3.90) Mpa and 3.05(2.45,3.78) Mpa respectively, and they had a position correlation (r=0.984,P<0.001). The evaluation value of assessment dial is slightly higher than that of oxygen pressure gauge (Z=-8.738,P<0.001). The Bland-Altman plot showed that 99 samples fell within limits of agreement(LoA), with a consistent rate of 99%.
Conclusion  s The oxygen demand obtained by assessment dial and oxygen pressure gauge exhibit high consistency. Therefore, oxygen demand assessment dial can be used to replace the oxygen pressure gauge in oxygen demand assessment.

Key words: Mechanical ventilation; Hospital transfer; Oxygen demand; assessment dial; oxygen pressure gauge

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