Document Detail

Liquid Barium is not Representative of Infant Formula: Characterisation of Rheological and Material Properties.
MedLine Citation:
PMID:  20830598     Owner:  NLM     Status:  In-Data-Review    
Infants experiencing dysphagia may undergo a videofluoroscopic swallow study (VFSS) to assess radiologically their coordination for sucking, swallowing, and breathing. No studies known to these authors have investigated whether the liquids used during infant radiological procedures are representative of liquids routinely fed to infants (e.g., formula). This study used an Advanced Rheometric Expansion System (ARES) strain-controlled rheometer to compare prethickened antiregurgitation formula, regular (thin) infant formula, and two types of regular infant formula, hand-thickened with a thickening agent and with liquid Polibar™ (barium-impregnated liquid). The viscosity, density, and yield stress of all samples were determined. Heated versus cooled liquids were compared. Results showed a significant difference in all rheological and material property parameters among the barium-impregnated liquids and the thickened and unthickened infant formula. This finding has important implications for the interpretation of the radiological results and subsequent clinical recommendations.
Julie Cichero; Timothy Nicholson; Pamela Dodrill
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Publication Detail:
Type:  Journal Article     Date:  2010-09-10
Journal Detail:
Title:  Dysphagia     Volume:  26     ISSN:  1432-0460     ISO Abbreviation:  Dysphagia     Publication Date:  2011 Sep 
Date Detail:
Created Date:  2011-09-09     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8610856     Medline TA:  Dysphagia     Country:  United States    
Other Details:
Languages:  eng     Pagination:  264-71     Citation Subset:  IM    
School of Medicine, Children's Nutrition Research Centre, The University of Queensland, Brisbane, QLD, Australia,
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