Document Detail


Comparison of low, medium, and high carbohydrate formulas for nighttime enteral feedings in cystic fibrosis patients.
MedLine Citation:
PMID:  2109114     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
This study examined whether the increase in CO2 production (VCO2) and ventilatory demands by carbohydrate loading with different formulas during nighttime enteral feedings could be detrimental in young adult cystic fibrosis patients with moderate to advanced lung disease. Ten patients age 17 to 24 (mean 21.4 years) received 1000 kcal/M2 of a low (Pulmocare), medium (Ensure Plus), and high (Vivonex HN) carbohydrate formula in random order. Eight patients had severe, and two moderate obstructive pulmonary disease; nine used nighttime oxygen therapy. Basal energy expenditure (BEE) without feedings averaged 120% of that predicted by the Harris-Benedict equation. The metabolic expenditure by indirect calorimetry during nighttime feedings was 25 to 36% greater than the BEE. Oxygen consumption (VO2) increased 21 to 27% during nighttime feedings with no difference between formulas. VCO2 increased 29% for Pulmocare, 46% with Ensure Plus, and 53% with Vivonex HN. The increase in VCO2 with Pulmocare was significantly less than Ensure Plus (p less than 0.05) and Vivonex HN (p less than 0.005). The respiratory quotient (RQ) (VCO2-/VO2) for Pulmocare (0.88) was the same as the BEE, but increased with Ensure Plus (1.00), and Vivonex HN (1.08). The 41% increase in minute ventilation with Vivonex HN was greater than the 25 to 28% increase observed for Pulmocare and Ensure Plus (p less than 0.05). Transcutaneous oxygen saturation fell no more than 2% with all formulas. PCO2 changed +/- 5 torr during enteral feedings with similar changes in any patient with all formulas.(ABSTRACT TRUNCATED AT 250 WORDS)
Authors:
R E Kane; P J Hobbs; P G Black
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Publication Detail:
Type:  Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  JPEN. Journal of parenteral and enteral nutrition     Volume:  14     ISSN:  0148-6071     ISO Abbreviation:  JPEN J Parenter Enteral Nutr     Publication Date:    1990 Jan-Feb
Date Detail:
Created Date:  1990-05-16     Completed Date:  1990-05-16     Revised Date:  2007-02-21    
Medline Journal Info:
Nlm Unique ID:  7804134     Medline TA:  JPEN J Parenter Enteral Nutr     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  47-52     Citation Subset:  IM    
Affiliation:
Department of Pediatrics, University of Utah Medical Center, Salt Lake City.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Basal Metabolism
Cystic Fibrosis / metabolism,  physiopathology,  therapy*
Dietary Carbohydrates / administration & dosage*
Enteral Nutrition*
Female
Food, Formulated*
Humans
Male
Oxygen Consumption
Oxygen Inhalation Therapy
Respiration
Time Factors
Chemical
Reg. No./Substance:
0/Dietary Carbohydrates

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


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