Estimating Neonatal Oxygen Consumption from Heart Rate

Robert Woodson; Tiffany Field; Reena Greenberg

doi:10.1111/j.1469-8986.1983.tb03013.x

Estimating Neonatal Oxygen Consumption from Heart Rate

Robert Woodson, Tiffany Field, Reena Greenberg

Pediatrics

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

The relationship between heart rate (HR) and oxygen consumption (V̇(O₂)) has been investigated in a sample of 20 low-risk, term neonates aged 14-48 hrs. Repeated, simultaneous measurements of HR and V̇(O₂) were performed on each neonate during each of three epochs ordered by increasing level of activity. A robust linear relationship was found between HR and V̇(O₂), with an average correlation of .90. Substantial variation was observed across individuals in the slope of the HR-V̇(O₂) regression line. This variation was curvilinearly related to ponderal index (PI), with low PI neonates having the shallowest and steepest slopes. These findings suggest that HR may provide a flexible, non-restrictive means of estimating neonatal V̇(O₂) but that the impact of prenatal growth history and postnatal growth performance on the estimation of V̇(O₂) from HR merits further investigation.

Original language	English (US)
Pages (from-to)	558-560
Number of pages	3
Journal	Psychophysiology
Volume	20
Issue number	5
DOIs	https://doi.org/10.1111/j.1469-8986.1983.tb03013.x
State	Published - Sep 1983

Keywords

Heart rate
Neonate
Oxygen consumption

ASJC Scopus subject areas

Neuroscience(all)
Neuropsychology and Physiological Psychology
Experimental and Cognitive Psychology
Neurology
Endocrine and Autonomic Systems
Developmental Neuroscience
Cognitive Neuroscience
Biological Psychiatry

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title = "Estimating Neonatal Oxygen Consumption from Heart Rate",

abstract = "The relationship between heart rate (HR) and oxygen consumption ({\.V}(O2)) has been investigated in a sample of 20 low-risk, term neonates aged 14-48 hrs. Repeated, simultaneous measurements of HR and {\.V}(O2) were performed on each neonate during each of three epochs ordered by increasing level of activity. A robust linear relationship was found between HR and {\.V}(O2), with an average correlation of .90. Substantial variation was observed across individuals in the slope of the HR-{\.V}(O2) regression line. This variation was curvilinearly related to ponderal index (PI), with low PI neonates having the shallowest and steepest slopes. These findings suggest that HR may provide a flexible, non-restrictive means of estimating neonatal {\.V}(O2) but that the impact of prenatal growth history and postnatal growth performance on the estimation of {\.V}(O2) from HR merits further investigation.",

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AU - Field, Tiffany

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N2 - The relationship between heart rate (HR) and oxygen consumption (V̇(O2)) has been investigated in a sample of 20 low-risk, term neonates aged 14-48 hrs. Repeated, simultaneous measurements of HR and V̇(O2) were performed on each neonate during each of three epochs ordered by increasing level of activity. A robust linear relationship was found between HR and V̇(O2), with an average correlation of .90. Substantial variation was observed across individuals in the slope of the HR-V̇(O2) regression line. This variation was curvilinearly related to ponderal index (PI), with low PI neonates having the shallowest and steepest slopes. These findings suggest that HR may provide a flexible, non-restrictive means of estimating neonatal V̇(O2) but that the impact of prenatal growth history and postnatal growth performance on the estimation of V̇(O2) from HR merits further investigation.

AB - The relationship between heart rate (HR) and oxygen consumption (V̇(O2)) has been investigated in a sample of 20 low-risk, term neonates aged 14-48 hrs. Repeated, simultaneous measurements of HR and V̇(O2) were performed on each neonate during each of three epochs ordered by increasing level of activity. A robust linear relationship was found between HR and V̇(O2), with an average correlation of .90. Substantial variation was observed across individuals in the slope of the HR-V̇(O2) regression line. This variation was curvilinearly related to ponderal index (PI), with low PI neonates having the shallowest and steepest slopes. These findings suggest that HR may provide a flexible, non-restrictive means of estimating neonatal V̇(O2) but that the impact of prenatal growth history and postnatal growth performance on the estimation of V̇(O2) from HR merits further investigation.

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Estimating Neonatal Oxygen Consumption from Heart Rate

Abstract

Keywords

ASJC Scopus subject areas

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