Objective This study assessed the efficacy of electrocardiogram (ECG) compared to pulse oximetry (PO) in detecting heart rate (HR) during high-risk newborn resuscitation. Methods A prospective observational study was performed with high-risk delivery cases to measure the time required for HR detection. A conventional PO and a standard ECG monitor were used for HR assessment. Results Forty-one infants were analyzed in the study, and 11 needed resuscitation. The study population was divided according to gestational age (GA): 9 were GA <32 weeks, 28 were GA 32–35 weeks, and 4 were GA ≥36 weeks. Time from ECG placement to HR detection (median, 30 seconds; interquartile range [IQR], 20–43.5 seconds) was significantly faster than that from PO placement (median, 125 seconds; IQR, 100–175 seconds; P<0.001). Time from ECG placement to HR detection was shortest in infants with GA <32 weeks at birth (19 seconds [IQR, 11.5–30.0] for GA <32 weeks vs. 34.5 seconds [IQR, 25.0–44.3] for GA 32–35 weeks vs. 39.5 seconds [IQR, 30.0–64.8] for GA ≥36 weeks; P=0.039). Conclusion ECG effectively evaluated HR during neonatal resuscitation compared to PO. Low- GA infants who require resuscitation may benefit from HR evaluation with nearby standard ECG.
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Wireless monitoring directly after birth in term neonates: A feasibility study Marisse Meeus, Heleen Dingemanse, Corrie Jacobs, Maartje van Dalen, Anne Nieuwenhuis, Julie Lateur, Irma Pernot Early Human Development.2026; 213: 106454. CrossRef
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Objective This study was conducted to determine why rescuers could maintain adequate chest compression depth for longer periods during conventional cardiopulmonary resuscitation (CPR).
Methods Various CPR parameters, including average compression depth (ACD), average compression rate, average ventilation time (AVT), and rescuers’ heart rates were recorded in real-time when 20 health care providers performed 10 minutes of conventional CPR during a simulation experiment.
Results The ACD was maintained above 50 mm and was not significantly different during 19 consecutive CPR cycles. The average compression rate increased from 114.9±10.0/min (2nd cycle) to 120.1±13.8/min (18th cycle) (P=0.007), and the AVT increased from 8.7±1.5 seconds (3rd cycle) to 10.1±2.6 seconds (18th cycle) (P=0.002). The rescuers’ heart rates also increased gradually for 10 min; however, they increased rapidly and were highest during the ventilation phase. Their heart rates then decreased and were lowest during the early chest compression phases of each CPR cycle. Decreases in heart rates were significant in all CPR cycles (average decrease: 14.5±4.5 beats/min, P<0.001).
Conclusion The ACD was maintained adequately during 10 minutes of conventional CPR. However, the AVT increased significantly during the 10-minute period. The rescuers’ heart rates increased and decreased throughout all CPR cycles. These results showed that the ventilation phase might play a role as a resting period and be a reason for the maintenance of adequate chest compression depth for prolonged periods during conventional CPR.
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Comparison of the effects of shortening rest intervals on the quality of cardiopulmonary resuscitation, physiological parameters, and hemodynamic parameters in well-trained rescuers Dong Hun Kim, Sang-Min Lee, Gyun Moo Kim, Kyung Woo Lee, Seung Hyun Ko, Ye Jin Oh, Young Woo Seo, Suk Hee Lee, Tae Chang Jang Medicine.2021; 100(6): e24666. CrossRef
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