Document Detail


Indirect test weighing: a new method for measuring overnight breast milk intakes in the field.
MedLine Citation:
PMID:  3183874     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Indirect test weighing (ITW), a new method for measuring nighttime breast milk intake, is based on separate weighings of the mother and infant at the start and end of the nighttime sleep period. All other incidental weight changes overnight are measured, so that the corrected infant's overnight weight gain and the mother's overnight weight loss are then accounted for by breast milk transfer and evaporative water loss (EWL) alone. The combined EWL is partitioned between mother and infant on the basis of metabolic body size (body weight raised to the power of 0.73). The infant's EWL is added onto the corrected overnight weight gain to give nighttime milk intake. A field validation study on 24 northern Thai infants, conducted in the subject's homes, in which ITW was compared with nighttime direct test weighing (DTW) on the same night, gives 95% confidence intervals for the method of +/- 39 g for a range of milk intakes of 77-344 g. Confidence intervals for estimates using feeding patterns alone, or multiplying 12 h intakes by a constant, range from +/- 104 to 180 g, indicating that these methods are insufficiently accurate for individual estimates.
Authors:
S M Imong; D A Jackson; M W Woolridge; L Wongsawasdii; S Ruckphaophunt; K Amatayakul; J D Baum
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of pediatric gastroenterology and nutrition     Volume:  7     ISSN:  0277-2116     ISO Abbreviation:  J. Pediatr. Gastroenterol. Nutr.     Publication Date:    1988 Sep-Oct
Date Detail:
Created Date:  1988-12-22     Completed Date:  1988-12-22     Revised Date:  2010-08-25    
Medline Journal Info:
Nlm Unique ID:  8211545     Medline TA:  J Pediatr Gastroenterol Nutr     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  699-706     Citation Subset:  IM; J    
Affiliation:
Research Institute for Health Sciences, Chiang Mai University, Thailand.
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MeSH Terms
Descriptor/Qualifier:
Body Weight*
Breast Feeding*
Female
Humans
Infant
Infant, Newborn
Methods
Mothers
Thailand
Water Loss, Insensible
Grant Support
ID/Acronym/Agency:
//Wellcome Trust

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


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