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[Biologic rhythm of respiratory rate in the first trimester of life]

J Ardura Fernández1, J M Andrés de Llano, J Aldana Gómez

  • 1Departamento de Pediatría, Escuela Superior de Arquitectura, Universidad de Valladolid.

Anales Espanoles De Pediatria
|November 1, 1992
PubMed

Insights

Newborn and infant respiratory rates show developing circadian and ultradian rhythms, influenced by environmental factors. This maturation highlights the importance of time series analysis for physiological evaluation.

Area of Science:

  • Chronobiology
  • Pediatric Physiology
  • Infant Development

Context:

  • Respiratory rate variability in newborns and infants is not fully understood.
  • The influence of environmental factors on infant physiological rhythms requires further investigation.
  • Maturation of biological rhythms in early life is a critical developmental process.

Purpose:

  • To record and analyze respiratory rate rhythms in newborns and infants.
  • To investigate the maturation process of these respiratory rhythms.
  • To determine the impact of environmental factors (light, noise, temperature) on infant respiratory patterns.

Summary:

  • Respiratory rate was monitored in infants aged 1 day to 90 days.
  • Rhythmometric analysis revealed significant circadian rhythm differences in older infants (60 and 90 days).
  • An ultradian rhythm (3-hour cycle) emerged in 30 and 90-day-old infants, suggesting developmental maturation.

Impact:

  • The study identifies specific age-related changes in infant respiratory rhythms.
  • Findings emphasize the role of environmental factors in shaping infant physiological patterns.
  • This research underscores the necessity of considering time series data for accurate physiological assessment in infants.

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