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Central and peripheral temperature change in normal infants
D M Tappin1, R P K Ford, B Price
1Community Paediatric Unit, HealthLink South, University of Canterbury, Christchurch, New Zealand. goda11@udcf.gla.ac.uk
Child: Care, Health and Development
|January 8, 2003
Summary
Infant temperature regulation shows a strong inverse link between rectal and shin temperatures during sleep transitions. This finding may be crucial for cardiovascular stability in early infancy.
Area of Science:
- Physiology
- Neonatal Care
- Thermoregulation
Background:
- Infant sleep involves complex thermoregulation.
- Understanding temperature changes is vital for neonatal health.
Purpose of the Study:
- To investigate the relationship between rectal and shin temperatures in infants during sleep.
- To determine if this relationship is influenced by sleep onset or caregiving activities.
Main Methods:
- Observational study of 21 healthy infants over multiple nights.
- Continuous overnight recording of central rectal and peripheral shin temperatures.
- Parental documentation of sleep, feeding, and nappy changes at home.
Main Results:
- A significant inverse correlation between rectal and shin temperatures was observed on 65% of nights when infants were put to sleep.
- A similar inverse relationship was noted during 92% of feed/nappy changing episodes.
- The association between temperatures was strong and consistent, though confounding factors like sleep onset could not be excluded.
Conclusions:
- An inverse relationship between infant shin and rectal temperatures develops in early life.
- This thermoregulatory pattern may play a role in maintaining cardiovascular homeostasis.
- Further sleep laboratory studies are needed to differentiate temperature changes during sleep onset versus nappy changes.