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Comparison of lipid and calorie loss from donor human milk among 3 methods of simulated gavage feeding: one-hour, 2-hour, and intermittent gravity feedings.
MedLine Citation:
PMID:  23532033     Owner:  NLM     Status:  In-Data-Review    
PURPOSE: : The objective of this study was to compare the differences in lipid loss from 24 samples of banked donor human milk (DHM) among 3 feeding methods: DHM given by syringe pump over 1 hour, 2 hours, and by bolus/gravity gavage.
DESIGN: : Comparative, descriptive. There were no human subjects.
METHODS: : Twenty-four samples of 8 oz of DHM were divided into four 60-mL aliquots. Timed feedings were given by Medfusion 2001 syringe pumps with syringes connected to narrow-lumened extension sets designed for enteral feedings and connected to standard silastic enteral feeding tubes. Gravity feedings were given using the identical syringes connected to the same silastic feeding tubes. All aliquots were analyzed with the York Dairy Analyzer. Univariate repeated-measures analyses of variance were used for the omnibus testing for overall differences between the feeding methods. Lipid content expressed as grams per deciliter at the end of each feeding method was compared with the prefed control samples using the Dunnett's test. The Tukey correction was used for other pairwise multiple comparisons.
RESULTS: : The univariate repeated-measures analysis of variance conducted to test for overall differences between feeding methods showed a significant difference between the methods (F = 58.57, df = 3, 69, P < .0001). Post hoc analysis using the Dunnett's approach revealed that there was a significant difference in fat content between the control sample and the 1-hour and 2-hours feeding methods (P < .0001), but we did not find any significant difference in fat content between the control and the gravity feeding methods (P = .3296). Pairwise comparison using the Tukey correction revealed a significant difference between both gravity and 1-hour feeding methods (P < .0001), and gravity and 2-hour feeding method (P < .0001). There was no significant difference in lipid content between the 1-hour and 2-hour feeding methods (P = .2729).
CONCLUSIONS: : Unlike gravity feedings, the timed feedings resulted in a statistically significant loss of fat as compared with their controls. These findings should raise questions about how those infants in the neonatal intensive care unit are routinely gavage fed.
Christine Brooks; Amy Manning Vickers; Subhash Aryal
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Advances in neonatal care : official journal of the National Association of Neonatal Nurses     Volume:  13     ISSN:  1536-0911     ISO Abbreviation:  Adv Neonatal Care     Publication Date:  2013 Apr 
Date Detail:
Created Date:  2013-03-27     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101125644     Medline TA:  Adv Neonatal Care     Country:  United States    
Other Details:
Languages:  eng     Pagination:  131-8     Citation Subset:  IM    
Texas Health Presbyterian Dallas Neonatal Intensive Care Unit (Ms Brooks); Mothers' Milk Bank of North Texas, Ft Worth (Ms Vickers); and University of North Texas Health Science Center, Ft Worth, Texas (Dr Aryal).
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