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Non-Nutritive Suck Parameters Measurements Using a Custom Pressure Transducer System
06:19

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Longitudinal changes in suck-swallow-breathe, oxygen saturation, and heart rate patterns in term breastfeeding

Vanessa S Sakalidis1, Jacqueline C Kent, Catherine P Garbin

  • 1School of Chemistry and Biochemistry, The University of Western Australia, Crawley, Western Australia. 10413297@student.uwa.edu.au

Journal of Human Lactation : Official Journal of International Lactation Consultant Association
|March 16, 2013
PubMed

Insights

As infants age, they become more efficient breastfeeders by extending suck bursts and pausing less. Breastfeeding infants show improved cardiorespiratory responses and adapt by using weaker vacuum levels later in lactation.

Area of Science:

  • Infant feeding dynamics
  • Neonatal physiology
  • Lactation studies

Background:

  • Limited understanding of suck-swallow-breathe (SSwB), oxygenation, and heart rate patterns in breastfeeding infants.
  • Existing data predominantly derived from bottle-feeding studies.
  • Need to characterize developmental changes in SSwB during early lactation.

Purpose of the Study:

  • To measure changes in SSwB, oxygenation, and heart rate patterns during the first 4 months of breastfeeding in term infants.
  • To compare early lactation with later lactation (2-4 months postpartum).

Main Methods:

  • Simultaneous recordings of vacuum, tongue movement, respiration, swallowing, oxygen saturation, and heart rate.
  • Monitoring of 15 infants less than 1 month old at two time points: early and late lactation.
  • Assessment during both nutritive and non-nutritive sucking.

Main Results:

  • Infants transferred similar milk amounts over shorter durations later in lactation.
  • Increased duration of suck bursts and decreased pause duration.
  • Decreased vacuum levels, increased oxygen saturation, and decreased heart rate in later lactation.

Conclusions:

  • Term infants demonstrate increased breastfeeding efficiency with age.
  • Adaptation in later lactation includes weaker vacuum application and improved cardiorespiratory responses.
  • Satisfactory SSwB coordination is maintained, with evidence of conditioning.
Abstract

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