• Doug Blank, Wade Rich, Tina Leone, Donna Garey, and Neil Finer.
• Division of Neonatology, UCSD Medical Center, University of California, San Diego, CA, USA. Electronic address: blankdouglas@gmail.com.
• Resuscitation. 2014 Nov 1; 85 (11): 1568-72.

IntroductionHeart rate is the most important indicator of infant well-being during neonatal resuscitation. The Nellcor Pedi-Cap turns gold when exposed to exhaled gas with CO₂>15 mmHg. The aim of this study was to determine if Pedi-Cap gold color change during neonatal resuscitation precedes an increase in heart rate in babies with bradycardia receiving mask ventilation.MethodsThis was a single-center retrospective review of video recordings and physiologic data of newborns with bradycardia receiving mask positive pressure ventilation during neonatal resuscitation. Subjects were included if the baby's HR<100 BPM within the first 90 s of resuscitation. The primary outcome was the change in HR prior to Pedi-Cap gold color change compared to the HR after Pedi-Cap gold color change.ResultsForty-one newborns during the study period had HR<100 BPM and received mask positive pressure ventilation with a Pedi-Cap. The median heart rate 10s prior to Pedi-Cap gold color change was 75 BPM (IQR 62-85) and increased to 136 BPM (IQR 113-158) 30 s after gold color change (p<0.001). SpO₂ increased from 45 ± 17% prior to Pedi-Cap gold color change to 52 ± 17% 30s after gold color change (p=0.001).ConclusionsColorimetric CO₂ detection during mask positive pressure ventilation in neonatal resuscitation precedes a significant increase in heart rate and SpO₂. The Pedi-Cap can be easily applied during resuscitation, requires no electricity, provides immediate feedback and may be a useful, simple tool early in resuscitation and may be especially useful in resource limited settings.Copyright © 2014 Elsevier Ireland Ltd. All rights reserved.

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