Key result
Heart rate variability indexes in healthy infants significantly correlated with mean RR interval, breathing rate, and corrected age, reflecting progressive autonomic nervous system maturation.
Why the study?
What is the normal development of heart rate variability in healthy young infants while sleeping?
Observational (n=587)
What is the normal development of heart rate variability in healthy young infants while sleeping?
This study establishes normal ranges for heart rate variability in healthy young infants during sleep, demonstrating progressive maturation of the autonomic nervous system.
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May guide infant HRV interpretation during sleep; hypothesis-generating for autonomic maturation and future outcome studies.
Massin et al. (2001) conducted an observational in Healthy young infants (n=587). Age and physiological factors (mean RR interval, breathing rate) was evaluated on Heart rate variability indexes (time-domain and frequency-domain). Heart rate variability indexes in healthy infants significantly correlated with mean RR interval, breathing rate, and corrected age, reflecting progressive autonomic nervous system maturation.
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