Document Detail

Integration of suck and swallow rhythms during feeding in preterm infants with and without bronchopulmonary dysplasia.
MedLine Citation:
PMID:  12729149     Owner:  NLM     Status:  MEDLINE    
The aim of this study was to define quantitative measures for assessing the integration and maturation of suck and swallow rhythms in preterm infants as they relate to each other. Fourteen preterm infants (eight males, six females; gestational age range 26 to 32 weeks) with bronchopulmonary dysplasia (BPD) and an age-matched cohort of 20 infants (10 males, 10 females; gestational age range 26 to 33 weeks) without BPD were studied weekly from time of initiation of oral feeding using simultaneous recordings of nipple and pharyngeal pressure. The integration of suck and swallow rhythms was quantified by using the coefficient of variation (COV) of the suck-swallow dyad interval. Infants without BPD had a significant correlation between increasing postmenstrual age (PMA) and decreasing COV of the dyadic interval (increasing stabilization; r=0.45; p=0.008). In the non-BPD cohort 35 weeks or less PMA, the mean dyadic COV was 0.42 (SD 0.12) versus 0.34 (SD 0.09) in those more than 35 weeks PMA (p=0.039). In contrast, dyadic stability in infants with BPD was not correlated with PMA. Infants with BPD of more than 35 weeks PMA had less dyadic stability (0.45, SD 0.10) than did age-matched controls (p<0.001). Dyadic stability was also correlated with feeding efficiency in the non-BPD group (r=0.46;p=0.007) but not in the BPD cohort. Therefore, ontogeny of rhythmic suckle feeding can be described quantitatively in preterm infants, allowing comparison with at-risk populations. Infants with BPD do not follow predicted maturational patterns of suck-swallow rhythmic integration.
Ira H Gewolb; James F Bosma; Eric W Reynolds; Frank L Vice
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Developmental medicine and child neurology     Volume:  45     ISSN:  0012-1622     ISO Abbreviation:  Dev Med Child Neurol     Publication Date:  2003 May 
Date Detail:
Created Date:  2003-05-05     Completed Date:  2003-05-15     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0006761     Medline TA:  Dev Med Child Neurol     Country:  England    
Other Details:
Languages:  eng     Pagination:  344-8     Citation Subset:  IM    
Division of Neonatology, Department of Pediatrics, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
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MeSH Terms
Analysis of Variance
Bronchopulmonary Dysplasia / complications*,  diagnosis
Case-Control Studies
Child Development
Deglutition Disorders / diagnosis,  etiology*,  physiopathology*
Gestational Age
Infant, Newborn
Longitudinal Studies
Pharynx / physiopathology
Predictive Value of Tests
Risk Factors
Signal Processing, Computer-Assisted
Sucking Behavior*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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