Comparison of delivery room wrist versus earlobe pulse oximetry in newborns: A randomized controlled trial.

IF 6 1区医学 Q1 CRITICAL CARE MEDICINE

Resuscitation Pub Date : 2026-10-23 DOI:10.1016/j.resuscitation.2026.111365

Sushil Kumar, Kirti Naranje, Anita Singh, Akanksha Verma, Abhishek Paul, Abhijeet Roy, Prabhakar Mishra

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引用次数: 0

Abstract

Objective: Rapid acquisition of reliable pulse oximetry signals in delivery room is challenging due to transitional circulation, low peripheral perfusion, motion artifact, vernix, and skin edema. This randomized controlled trial compared right earlobe and right wrist pulse oximetry to determine differences in time to reliable signal acquisition.

Methods: Pregnant women at ≥34 weeks gestation were randomized before delivery. Pulse oximetry probe was applied to either the right earlobe or right wrist immediately after birth using sensor-to-oximeter-first technique with Masimo® SET® rainbow® Radical-7® CO-Oximeter®. The primary outcome was time from completion of sensor application to reliable display of oxygen saturation and heart rate. Secondary outcomes included time from birth to start of sensor application, sensor application time, time from birth to reliable signal, perfusion index, and number of probe reapplications.

Results: Ninety-six neonates were randomized, with 48 in each group. Time from completion of sensor application to reliable signal was similar between ear and wrist groups (67.1±41.4 vs 74.5±48.2 seconds; mean difference -7.4 seconds; 95% CI -25.6 to 10.8; P=0.42). Sensor application time was shorter in ear group (mean difference -16.3 seconds; 95% CI -17.7 to -14.9; P<0.001), resulting in shorter time from birth to reliable signal (mean difference -28.8 seconds; 95% CI -53.9 to -3.7; P=0.02). Perfusion index was lower, and reapplication rates were higher in ear group.

Conclusion: Time to reliable signal acquisition after probe placement did not differ between the earlobe and wrist. Further studies using neonatal-specific ear probes are warranted.

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新生儿产房手腕与耳垂脉搏血氧测定的比较：一项随机对照试验。

目的：由于过渡循环、外周灌注低、运动伪影、皮脂肿和皮肤水肿，在产房快速获取可靠的脉搏血氧测量信号具有挑战性。这项随机对照试验比较了右耳垂和右手腕脉搏血氧测定，以确定获得可靠信号的时间差异。方法：妊娠≥34周的孕妇在分娩前随机分组。出生后立即将脉搏血氧仪探头应用于右耳垂或右手腕，使用传感器到血氧仪优先技术，使用Masimo®SET®rainbow®Radical-7®CO-Oximeter®。主要观察指标是从完成传感器应用到可靠显示血氧饱和度和心率的时间。次要结局包括从出生到开始使用传感器的时间、传感器使用时间、从出生到获得可靠信号的时间、灌注指数和再次使用探头的次数。结果：96例新生儿随机分组，每组48例。从完成传感器应用到可靠信号的时间在耳组和腕组之间相似（67.1±41.4 vs 74.5±48.2秒；平均差值-7.4秒；95% CI -25.6至10.8；P=0.42）。耳组传感器应用时间较短(平均差为-16.3秒；95% CI为-17.7 ~ -14.9；结论：耳垂和腕部放置探头后获得可靠信号的时间无差异。使用新生儿特异性耳探头的进一步研究是有必要的。

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

Resuscitation 医学-急救医学

CiteScore

12.00

自引率

18.50%

发文量

556

审稿时长

21 days

期刊介绍： Resuscitation is a monthly international and interdisciplinary medical journal. The papers published deal with the aetiology, pathophysiology and prevention of cardiac arrest, resuscitation training, clinical resuscitation, and experimental resuscitation research, although papers relating to animal studies will be published only if they are of exceptional interest and related directly to clinical cardiopulmonary resuscitation. Papers relating to trauma are published occasionally but the majority of these concern traumatic cardiac arrest.