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J Neonatal Nurs. 2008 Feb;14(1):28-34. doi: 10.1016/j.jnn.2007.12.005.

Non-Nutritive Suck Parameter in Preterm Infants with RDS.

Journal of neonatal nursing : JNN

Meredith Estep, Steven M Barlow, Rajesh Vantipalli, Donald Finan, Jaehoon Lee

Affiliations

  1. Graduate Research Associate, Communication Neuroscience Laboratories, Program in Neuroscience, University of Kansas, Lawrence, Kansas USA.

PMID: 19190723 PMCID: PMC2443682 DOI: 10.1016/j.jnn.2007.12.005

Abstract

OBJECTIVE: To characterize the integrity of non-nutritive suck (NNS) parameters among three groups of preterm infants ranging from normal to those with progressive degrees of respiratory distress syndrome (RDS). STUDY DESIGN: NNS compression waveforms were sampled from 55 infants in the neonatal intensive care unit using a silicone pacifier electronically instrumented for intraluminal pressure. Seven select NNS parameters were measured at two different sessions, and statistically analyzed using a General Linear Model Analysis of Covariance. RESULTS AND CONCLUSIONS: Preterm infants with a more extensive history of RDS and oxygen therapy manifest significantly (p≤0.001) degraded performance on six of the seven NNS measures. This trend was disproportionately amplified in preterm infants with moderate-to-severe RDS. Prolonged periods of RDS requiring oxygen therapy may cause maladaptive orosensory experiences, and restrict oral movements which may contribute to delayed NNS development.

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