Enhanced Neonatal Pulse Oximetry Sounds for the First Minutes of Life: A Laboratory Trial.

IF 2.9 3区心理学 Q1 BEHAVIORAL SCIENCES

Human Factors Pub Date : 2024-04-01 Epub Date: 2022-08-21 DOI:10.1177/00187208221118472

Hugh Clarke, Samnang Leav, Jelena Zestic, Ismail Mohamed, Isaac Salisbury, Penelope Sanderson

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引用次数: 0

Abstract

Objective: Auditory enhancements to the pulse oximetry tone may help clinicians detect deviations from target ranges for oxygen saturation (SpO₂) and heart rate (HR).

Background: Clinical guidelines recommend target ranges for SpO₂ and HR during neonatal resuscitation in the first 10 minutes after birth. The pulse oximeter currently maps HR to tone rate, and SpO₂ to tone pitch. However, deviations from target ranges for SpO₂ and HR are not easy to detect.

Method: Forty-one participants were presented with 30-second simulated scenarios of an infant's SpO₂ and HR levels in the first minutes after birth. Tremolo marked distinct HR ranges and formants marked distinct SpO₂ ranges. Participants were randomly allocated to conditions: (a) No Enhancement control, (b) Enhanced HR Only, (c) Enhanced SpO₂ Only, and (d) Enhanced Both.

Results: Participants in the Enhanced HR Only and Enhanced SpO₂ Only conditions identified HR and SpO₂ ranges, respectively, more accurately than participants in the No Enhancement condition, ps < 0.001. In the Enhanced Both condition, the tremolo enhancement of HR did not affect participants' ability to identify SpO₂ range, but the formants enhancement of SpO₂ may have attenuated participants' ability to identify tremolo-enhanced HR range.

Conclusion: Tremolo and formant enhancements improve range identification for HR and SpO₂, respectively, and could improve clinicians' ability to identify SpO₂ and HR ranges in the first minutes after birth.

Application: Enhancements to the pulse oximeter tone to indicate clinically important ranges could improve the management of oxygen delivery to the neonate during resuscitation in the first 10 minutes after birth.

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增强新生儿生命最初几分钟的脉搏氧饱和度：实验室试验。

目的：脉搏氧饱和度（SpO2）和心率（HR脉搏血氧饱和度（SpO2）和心率（HR）的目标范围偏差：背景：临床指南建议，在新生儿出生后 10 分钟内进行复苏时，SpO2 和心率应在目标范围内。脉搏血氧仪目前将心率映射为心音频率，将 SpO2 映射为心音音调。然而，SpO2 和心率偏离目标范围的情况不易察觉：方法：向 41 名参与者展示了婴儿出生后最初几分钟内 SpO2 和心率水平的 30 秒模拟场景。颤音标示出不同的心率范围，而正音标示出不同的 SpO2 范围。参与者被随机分配到以下条件中：(a) 无增强控制，(b) 仅增强心率，(c) 仅增强 SpO2，(d) 同时增强：结果：仅增强心率和仅增强 SpO2 条件下的参与者分别比无增强条件下的参与者更准确地识别心率和 SpO2 范围，Ps < 0.001。在两者都增强的条件下，HR 的颤音增强不影响参与者识别 SpO2 范围的能力，但 SpO2 的正音增强可能削弱了参与者识别颤音增强 HR 范围的能力：结论：颤音和前置音增强分别提高了心率和 SpO2 的范围识别能力，可提高临床医生在婴儿出生后最初几分钟内识别 SpO2 和心率范围的能力：应用：增强脉搏血氧计音调以显示临床重要范围，可改善新生儿出生后 10 分钟内复苏期间的供氧管理。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Human Factors 管理科学-行为科学

CiteScore

10.60

自引率

6.10%

发文量

审稿时长

6-12 weeks

期刊介绍： Human Factors: The Journal of the Human Factors and Ergonomics Society publishes peer-reviewed scientific studies in human factors/ergonomics that present theoretical and practical advances concerning the relationship between people and technologies, tools, environments, and systems. Papers published in Human Factors leverage fundamental knowledge of human capabilities and limitations – and the basic understanding of cognitive, physical, behavioral, physiological, social, developmental, affective, and motivational aspects of human performance – to yield design principles; enhance training, selection, and communication; and ultimately improve human-system interfaces and sociotechnical systems that lead to safer and more effective outcomes.