Document Detail


Ontogeny of glucose homeostasis in low birth weight infants.
MedLine Citation:
PMID:  3279177     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Suppression of the endogenous glucose production rate (Ra) is the adult response to glucose infusion. Persistent Ra (greater than or equal to 1 mg.kg-1min-1 or less than 80% decrease in basal Ra) in response to glucose infusion is evidence of a transitional homeostatic state in the neonate during the first days after birth. To determine whether postnatal development produces an adultlike response, Ra was measured in 11 infants (birth weight 1716 +/- 48 g, gestational age 33 +/- 0.3 weeks) at 2 to 5 weeks of age. In these paired studies, 4 micrograms.kg-1min-1 D-(U-13C)glucose tracer was infused by prime constant infusion to determine Ra, during infusion of either saline solution or glucose, the latter at a rate of 5.3 +/- 0.2 mg.kg-1min-1 (mean +/- SEM). When the results of the saline infusion turnover period were compared with those of the glucose infusion turnover period, plasma glucose concentration increased significantly, from 88 +/- 3 mg/dL to 101 +/- 4 mg/dL (P less than 0.001). Plasma insulin concentration remained unchanged (12 +/- 5 microU/mL vs 8 +/- 3 microU/mL). Ra was heterogenous during glucose infusion, and persistent Ra was present in six of 11 infants. Of the five infants who had decreased Ra during glucose infusion, three received glucose at a rate exceeding basal Ra. Of the remaining six infants who evidenced persistent Ra during glucose infusion, three received glucose at a rate equal to or in excess of basal Ra. We conclude that glucose homeostasis in low birth weight infants is transitional throughout the neonatal period.
Authors:
R M Cowett; G E Andersen; C A Maguire; W Oh
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  The Journal of pediatrics     Volume:  112     ISSN:  0022-3476     ISO Abbreviation:  J. Pediatr.     Publication Date:  1988 Mar 
Date Detail:
Created Date:  1988-04-14     Completed Date:  1988-04-14     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  0375410     Medline TA:  J Pediatr     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  462-5     Citation Subset:  AIM; IM    
Affiliation:
Department of Pediatrics, Women and Infants Hospital of Rhode Island, Providence 02905-2401.
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MeSH Terms
Descriptor/Qualifier:
Age Factors
Blood Glucose / biosynthesis,  metabolism*
Glucose / administration & dosage
Homeostasis*
Humans
Infant
Infant, Low Birth Weight / metabolism*
Infant, Newborn
Insulin / blood
Grant Support
ID/Acronym/Agency:
K04-HD-00308/HD/NICHD NIH HHS; NICHHD 11343/HD/NICHD NIH HHS; RR02231/RR/NCRR NIH HHS
Chemical
Reg. No./Substance:
0/Blood Glucose; 11061-68-0/Insulin; 50-99-7/Glucose

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


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