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Determining reference data for overnight oximetry in neonates: A pilot study
Anndrea Flint1, Deanne August2, Melissa Lai3
1Neonatal Unit, Redcliffe Hospital, Redcliffe, Queensland, Australia.
Early Human Development
|April 7, 2022
Summary
Overnight oximetry in healthy newborns reveals frequent oxygen desaturation events. This study establishes baseline data for reliable reference ranges in neonatal pulse oximetry monitoring.
Area of Science:
- Neonatal physiology
- Cardiorespiratory monitoring
Background:
- Overnight oximetry is crucial for assessing neonatal cardiorespiratory health.
- Establishing reliable reference ranges for SpO2 in healthy term infants is essential for accurate clinical interpretation.
Purpose of the Study:
- To determine the variability of overnight pulse oximetry parameters in healthy term infants.
- To provide data for calculating the sample size needed for robust neonatal reference ranges.
Main Methods:
- Overnight pulse oximetry was conducted on a sample of healthy term neonates.
- Data analysis focused on the frequency of oxygen desaturation events and time spent with SpO2 <90%.
Main Results:
- All infants experienced oxygen desaturation events, ranging from 4 to 36 per hour.
- On average, infants spent 3.0% of the time with oxygen saturation below 90%.
Conclusions:
- Healthy term neonates exhibit variability in overnight SpO2, including frequent desaturation events.
- The findings support the need for comprehensive data to establish reliable reference ranges for neonatal overnight oximetry.
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