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Updated: Nov 28, 2025

Non-invasive Optical Measurement of Cerebral Metabolism and Hemodynamics in Infants
Published on: March 14, 2013
Monitoring oxygen saturation and heart rate during neonatal transition. comparison between two different pulse
Rasha Khoury1, Gil Klinger2,3, Yakir Shir4
1Department of Pediatrics, Schneider Children's Medical Center of Israel, Petach Tikvah, Israel.
Objective:
To compare the efficacy and reliability of two pulse-oximeters (POx) (Masimo Radical-7 and Nellcor™ Oxymax Bedside) and evaluate the feasibility of routine ECG monitoring during delivery room transition.
Study Design:
Prospective observational comparative study. Sixty newborns were connected simultaneously to both POxs and ECG monitor (as a gold standard for HR). Times to achieve a stable signal were compared. Heart rates were compared to simultaneous ECG.
Results:
A significant difference in times to stable signal was found: Mean, Median (Interquartile range) for Nellcor and Masimo, were 15, 8.5 (6-18) and 27, 12 (9-34) seconds, respectively. Compared to ECG, false bradycardia was displayed in 18 of 55 (35%) newborns by the Masimo POx and in no newborns by the Nellcor POx. Attaching the ECG monitor was feasible but consumed additional resources.
Conclusions:
The time for achievement of a stable saturation reading in an uncomplicated resuscitation setting differed significantly between POxs.
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