Development of a technique for evaluating temporal parameters of sucking in breastfeeding preterm newborns

Abstract Aims The aim of the current study was to developed and test the reliability of a technique for measuring temporal parameters of sucking in breastfeeding infants. Methods The technique was developed using a cohort of 11 term and 12 preterm infants, and subsequently evaluated using a cohort o...

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Published in:Early human development 2011-08, Vol.87 (8), p.545-548
Main Authors: Rocha, Adriana Duarte, Lopes, Jose Maria de Andrade, Ramos, Jose Roberto Moraes, Gomes, Saint Clair, Lucena, Sabrina Lopes, Medeiros, Annielle, Moreira, Maria Elisabeth Lopes
Format: Article
Language:English
Subjects:
Advanced Basic Science
Biological and medical sciences
Breast Feeding
Breastfeeding
Cohort Studies
Embryology: invertebrates and vertebrates. Teratology
Fundamental and applied biological sciences. Psychology
Gestational Age
Humans
Infant, Newborn
Infant, Premature - physiology
Neonatal and Perinatal Medicine
Preterm infants
Reproducibility of Results
Sucking Behavior - physiology
Sucking patterns
Time Factors
Transducers, Pressure
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Summary:Abstract Aims The aim of the current study was to developed and test the reliability of a technique for measuring temporal parameters of sucking in breastfeeding infants. Methods The technique was developed using a cohort of 11 term and 12 preterm infants, and subsequently evaluated using a cohort of 43 preterm infants. Measurements related to sucking pressure in the term and preterm infants were acquired. The signals were recorded for 5 min, saved on a computer, and stored for analysis. For purposes of analysis, the minute with the highest quality signal was chosen. Signal analysis was performed by two researchers, and inter- and intra-observer agreement was assessed. The newborns in the sample had different gestational ages. Results A technique was developed for the analysis of temporal parameters of sucking during breastfeeding and evaluated in 43 preterm infants with different gestational ages for the following variables: number of bursts per minute, number of sucks per burst, sucking rate, pause rate, and duration of pauses. The intra-observer agreement was 0.85 and the inter-observer agreement was 0.85. Conclusions The technique that was developed and validated proved capable of measuring temporal parameters of sucking in breastfeeding newborns.
ISSN:0378-3782
1872-6232
DOI:10.1016/j.earlhumdev.2011.04.008