Document Detail


Ultrasound imaging of infant sucking dynamics during the establishment of lactation.
MedLine Citation:
PMID:  22965645     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Infant sucking problems are frequently implicated in early weaning during breastfeeding, yet our understanding of early sucking dynamics is limited.
OBJECTIVE: This study aimed to describe infant sucking patterns during breastfeeding at secretory activation and determine whether they changed by the time of established lactation.
METHODS: Sucking patterns and milk intake of 15 breastfeeding infants were assessed on day 3.2 ± 0.8 and later at follow-up, 16.0 (11.3-22.8) days postpartum. Nipple diameters, tongue movement, nipple position, and suck rate during nutritive sucking (NS) and non-nutritive sucking (NNS) were measured from ultrasound scans of the intra-oral cavity during breastfeeding. Milk intake and LATCH scores were also recorded.
RESULTS: As the tongue lowered during a suck cycle, the nipple increased in size (P < .001), milk flowed into the intra-oral space and the nipple moved closer to the hard-soft palate junction (P < .001). During NS, nipple diameters and the mid-tongue movement were greater than during NNS (P < .001). As the infant aged, the mid-tongue lowered further (P = .002), suck rates became faster (P < .001) and milk intake increased (P = .004), however, no differences were seen for LATCH scores (P = .34).
CONCLUSION: Differences in tongue movement between NS and NNS suggest that there is an altered sucking action when milk flow is absent. Similar sucking patterns at day 3 and during established lactation imply that infants have a mature sucking pattern in the early postpartum period.
Authors:
Vanessa S Sakalidis; Tracey M Williams; Catherine P Garbin; Anna R Hepworth; Peter E Hartmann; Michael J Paech; Donna T Geddes
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2012-09-10
Journal Detail:
Title:  Journal of human lactation : official journal of International Lactation Consultant Association     Volume:  29     ISSN:  1552-5732     ISO Abbreviation:  J Hum Lact     Publication Date:  2013 May 
Date Detail:
Created Date:  2013-04-17     Completed Date:  2014-02-18     Revised Date:  2014-07-31    
Medline Journal Info:
Nlm Unique ID:  8709498     Medline TA:  J Hum Lact     Country:  United States    
Other Details:
Languages:  eng     Pagination:  205-13     Citation Subset:  N    
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MeSH Terms
Descriptor/Qualifier:
Breast Feeding*
Eating
Energy Intake
Humans
Infant, Newborn
Mouth / ultrasonography*
Nipples / ultrasonography
Sucking Behavior*
Time Factors
Tongue

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


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