Non-contact monitoring of vital parameters in preterm infants: Insights from infrared thermography and photoplethysmography imaging.

IF 0.6 4区医学 Q4 OBSTETRICS & GYNECOLOGY

Zeitschrift fur Geburtshilfe und Neonatologie Pub Date : 2026-04-02 DOI:10.1055/a-2826-4049

Milian Brasche, Markus Lüken, Steffen Leonhardt, Thorsten Orlikowsky, Konrad Heimann

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Abstract

Background: Preterm infants are particularly burdened by wired monitoring systems. Contactless methods such as infrared thermography (IRT) and photoplethysmography imaging (PPGI) may offer a less invasive alternative. This study presents the feasibility and iterative development of these techniques during routine neonatal care.

Methods: IRT was used to assess respiratory activity and skin temperature across various care settings (incubator, kangaroo care, heated bed) from 2011 to 2023. PPGI was applied between 2016 and 2021 to measure cardiac activity and perfusion, accompanied by technical refinement. Accuracy was evaluated through comparative studies using established reference standards, including ECG.

Results: Both IRT and PPGI reliably detected respiratory rate, skin temperature (including stress-related facial changes), cardiac activity, and perfusion in preterm infants.

Conclusion: Advances in sensor miniaturization and data processing suggest that, following further prospective evaluation, contactless vital sign monitoring could be feasibly integrated into routine neonatal care.

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早产儿生命参数的非接触监测：来自红外热成像和光容积脉搏波成像的见解。

有线监测系统对早产儿的负担尤其沉重。红外热成像（IRT）和光电容积脉搏成像（PPGI）等非接触式方法可能提供一种侵入性较小的替代方法。本研究提出了可行性和迭代发展这些技术在常规新生儿护理。IRT用于评估2011年至2023年各种护理环境（培养箱、袋鼠式护理、热床）的呼吸活动和皮肤温度。PPGI在2016年至2021年期间用于测量心脏活动和灌注，并伴有技术改进。准确性通过使用已建立的参考标准（包括ECG）进行比较研究来评估。IRT和PPGI都能可靠地检测早产儿的呼吸频率、皮肤温度（包括应激相关的面部变化）、心脏活动和灌注。传感器小型化和数据处理的进步表明，在进一步的前瞻性评估之后，非接触式生命体征监测可以纳入新生儿常规护理。

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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