Comparing pulse rate measurement in newborns using conventional and dry-electrode ECG monitors

Eris van Twist*, Hylke H. Salverda*, Arjan B. te Pas

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

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Heart rate (HR) is the most important parameter to evaluate newborns’ clinical condition and to guide intervention during resuscitation at birth. The present study aims to compare the accuracy of NeoBeat dry-electrode ECG for HR measurement with conventional ECG and pulse oximetry (PO).

Newborns with a gestational age ≥32 weeks and/or birth weight ≥1.5 kg were included when HR evaluation was needed. HR was simultaneously measured for 10 min with NeoBeat, PO and conventional ECG.

A total of 18 infants were included (median (IQR) gestational age 39 (36–39) weeks and birth weight 3 150 (2 288–3 859) grams). Mean (SD) duration until NeoBeat obtained a reliable signal was 2.5 (9.0) s versus 58.5 (171.0) s for PO. Mean difference between NeoBeat and ECG was 1.74 bpm (LoA −4.987–8.459 and correlation coefficient 0.98). Paired HR measurements over 30-s intervals revealed no significant difference between NeoBeat and ECG. The positive predictive value of a detected HR <100 bpm by NeoBeat compared with ECG was 54.84%, negative predictive value 99.99%, sensitivity 94.44%, specificity 99.99% and accuracy 99.85%.

HR measurement with NeoBeat dry-electrode ECG at birth is reliable and accurate.
Original languageEnglish
Pages (from-to)1137-1143
Number of pages7
JournalActa Paediatrica
Issue number6
Publication statusE-pub ahead of print - 4 Jan 2022


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