脉搏血氧仪准确性的决定因素:文献综述

IF 2.3 4区 医学 Q2 MEDICINE, GENERAL & INTERNAL
D. León-Valladares , L.A. Barrio-Mateu , N. Cortés-Carmona , G. Fuentes-Lizana , A.M. Cabanas , K. Latorre-Progulakis , M. Fuentes Guajardo , P. Martín-Escudero
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引用次数: 0

摘要

方法我们采用纳入和排除标准在 EBSCO 和 PubMed 等数据库中筛选相关研究。搜索策略一直持续到 2023 年 12 月,重点关注涉及脉搏血氧仪技术和影响其准确性的变量的出版物。我们对纳入研究的偏倚风险进行了评估,并采用标准化方法对结果进行了综合。结果综合显示,采用四极技术的设备在 SpO2 测量中表现出更高的精确度。皮肤色素沉着增加、血红蛋白病和皮肤温度过高会导致 SpO2 被高估,而低灌注、皮肤温度过低、指甲油或纹身、低氧血症、贫血和高海拔训练等因素则可能导致 SpO2 被低估。另一方面,运动伪影、光污染、频率> 150 bpm、电磁干扰和传感器的位置都会导致照相血氧饱和度成像信号失真。结论结果综述强调,皮肤色素沉着和光干扰会导致高估血氧饱和度,而低灌注和高海拔等其他因素则倾向于低估血氧饱和度。这些研究在设计上存在差异和异质性,证明了证据在一致性和精确性方面的局限性。尽管存在这些局限性,但研究结果强调了在解释脉搏血氧仪测量结果时考虑多种变量以确保其可靠性的重要性。研究结果对临床实践和未来研究具有重要意义。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Factores determinantes de la precisión de la oximetría de pulso: revisión bibliográfica

Objective

Identify and reach consensus on the variables that affect the measurement of oxygen saturation (SpO2) using pulse oximetry.

Methods

We applied inclusion and exclusion criteria to select relevant studies in databases such as EBSCO and PubMed. The search strategies, carried out until December 2023, focused on publications that addressed the technology of pulse oximeters and variables that influence their accuracy. We assessed the risk of bias of the included studies and used standardized methods for synthesis of results.

Results

Twenty-three studies were included. The synthesis of the results highlighted that equipment with tetrapolar technology showed greater precision in SpO2 measurements. Increased skin pigmentation, hemoglobinopathies and high skin temperatures can lead to an overestimation of SpO2, while factors such as low perfusion, cold skin temperature, nail polish or tattoos, hypoxemia, anemia and high altitude training, they may underestimate it. On the other hand, motion artifacts, light pollution, frequency > 150 bpm, electromagnetic interference and location of the sensor can cause distortion of the photoplethymography signal.

Conclusions

The synthesis of the results highlighted that skin pigmentation and light interference can lead to an overestimation of SpO2, while other factors such as low perfusion and altitude tend to underestimate it. The studies presented variability and heterogeneity in their designs, evidencing limitations in the consistency and precision of the evidence. Despite these limitations, the results underscore the importance of considering multiple variables when interpreting pulse oximetry measurements to ensure their reliability. The findings have significant implications for clinical practice and future research.

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来源期刊
Revista clinica espanola
Revista clinica espanola 医学-医学:内科
CiteScore
4.40
自引率
6.90%
发文量
73
审稿时长
28 days
期刊介绍: Revista Clínica Española published its first issue in 1940 and is the body of expression of the Spanish Society of Internal Medicine (SEMI). The journal fully endorses the goals of updating knowledge and facilitating the acquisition of key developments in internal medicine applied to clinical practice. Revista Clínica Española is subject to a thorough double blind review of the received articles written in Spanish or English. Nine issues are published each year, including mostly originals, reviews and consensus documents.
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