Cardiac Autonomic Function in the First Hours of Postnatal Life: An Observational Cross-Sectional Study in Term Neonates

The aim of this study was to evaluate heart rate variability (HRV) within the first hours of extrauterine life in term neonates. HRV at 2-h and 14-h postpartum were compared by means of time domains (iRR, SDNN, and rMSSD); frequency domains (TP, LF, HF, and LF/HF ratio); and Poincare’s Plot (SD1 and...

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Bibliographic Details
Published in:Pediatric cardiology 2019-12, Vol.40 (8), p.1703-1708
Main Authors: Shayani, Leva A., da Cruz, Carlos J., Porto, Luiz Guilherme G., Molina, Guilherme E.
Format: Article
Language:English
Subjects:
Autonomic Nervous System - physiology
Bupivacaine
Cardiac Surgery
Cardiology
Cesarean section
Comparative analysis
Cross-Sectional Studies
Heart beat
Heart Rate - physiology
Humans
Infant, Newborn
Infants (Newborn)
Male
Medicine
Medicine & Public Health
Original Article
Respiratory Rate - physiology
Vascular Surgery
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Summary:The aim of this study was to evaluate heart rate variability (HRV) within the first hours of extrauterine life in term neonates. HRV at 2-h and 14-h postpartum were compared by means of time domains (iRR, SDNN, and rMSSD); frequency domains (TP, LF, HF, and LF/HF ratio); and Poincare’s Plot (SD1 and SD2) indices of HRV in 27 healthy, male, term newborns (NBs) born of elective cesarean delivery. Within 14 h after birth, the mean of the iRRs increased (Δ% = 4.4, p  
ISSN:0172-0643
1432-1971
DOI:10.1007/s00246-019-02207-y