Biological Rhythms in Neonates
Author Information
Author(s): Begum Esmotara, Bonno Motoki, Obata Makoto, Yamamoto Hatsumi, Kawai Masatoshi, Komada Yoshihiro
Primary Institution: Clinical Research Institute and Department of Pediatrics, National Hospital Organization, Miechuo Medical Center
Hypothesis
Do term and preterm neonates in NICU exhibit biological rhythmicity during the neonatal period?
Conclusion
Circadian rhythmicity in neonates may be influenced by maternal factors and physiological maturity.
Supporting Evidence
- Circadian cycles were observed in 23.8% of neonates for heart rate.
- The percentage of circadian cycles decreased with gestational age.
- Oxygen administration was significantly associated with circadian rhythms in pulse rate.
Takeaway
This study looked at how babies in the NICU show patterns in their heart rate and breathing, which can change as they grow.
Methodology
Continuous recording of heart rate, pulse rate, respiratory rate, and oxygen saturation was conducted on 187 neonates over 21 days.
Potential Biases
Potential bias due to the artificial environment of the NICU affecting biological rhythms.
Limitations
The study's findings may be influenced by environmental factors in the NICU.
Participant Demographics
Median gestational age was 34 weeks, with 61% boys and 39% girls.
Statistical Information
P-Value
p < 0.001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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