• Justine Slattery, Angela Morgan, and Jacinta Douglas.
• School of Human Communication Sciences, La Trobe University, Melbourne, Victoria, Australia. j.slattery@latrobe.edu.au
• Dev Med Child Neurol. 2012 Sep 1; 54 (9): 796-806.

AimEarly sucking and swallowing problems may be potential markers of neonatal brain injury and assist in identifying those infants at increased risk of adverse outcomes, but the relation between early sucking and swallowing problems and neonatal brain injury has not been established. The aim of the review was, therefore, to investigate the relation between early measures of sucking and swallowing and neurodevelopmental outcomes in infants diagnosed with neonatal brain injury and in infants born very preterm (<32wks) with very low birthweight (<1500g), at risk of neonatal brain injury.MethodWe conducted a systematic review of English-language articles using CINAHL, EMBASE, and MEDLINE OVID (from 1980 to May 2011). Additional studies were identified through manual searches of key journals and the works of expert authors. Extraction of data informed an assessment of the level of evidence and risk of bias for each study using a predefined set of quality indicators.ResultsA total of 394 abstracts were generated by the search but only nine studies met the inclusion criterion. Early sucking and swallowing problems were present in a consistent proportion of infants and were predictive of neurodevelopmental outcome in infancy in five of the six studies reviewed.LimitationsThe methodological quality of studies was variable in terms of research design, level of evidence (National Health and Medical Research Council levels II, III, and IV), populations studied, assessments used and the nature and timing of neurodevelopmental follow-up.ConclusionsBased upon the results of this review, there is currently insufficient evidence to clearly determine the relation between early sucking and swallowing problems and neonatal brain injury. Although early sucking and swallowing problems may be related to later neurodevelopmental outcomes, further research is required to delineate their value in predicting later motor outcomes and to establish reliable measures of early sucking and swallowing function.© The Authors. Developmental Medicine & Child Neurology © 2012 Mac Keith Press.

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