Document Detail

Is the raised metabolic rate of the small for gestation infant due to his relatively large brain size.
MedLine Citation:
PMID:  3378529     Owner:  NLM     Status:  MEDLINE    
Oxygen consumption at different stages of vigilance, and for the whole 24 h, was measured in 13 small-for-gestational age (SGA) and 16 appropriate-for-age (AGA) premature infants at ages of 4-25 days. Brain weight was calculated from head circumference measurements and expressed as percentage of body weight and was found to be significantly higher in SGA infants than AGA ones (14% +/- 2.1 (S.D.) in the SGA and 12.3% +/- 1.5 (S.D.) in the AGA infants). Metabolic rate (MR) was calculated and expressed as kcal/centimetre head circumference, kcal/g brain wt. and kcal/kg body wt. Whereas MR expressed in kg body wt. was significantly higher in SGA infants than in AGA ones, no difference could be detected in the values when MR was expressed as kcal/cm head circumference, or MR/g brain wt. The difference that exists in the metabolic rates between SGA and AGA infants can be minimised by using head circumference as a reference. Therefore, the apparently high MR found in SGA infants in the neonatal period can be attributed, in a major way, to their relatively large brain size.
Y M Abdulrazzaq; O G Brooke
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Early human development     Volume:  16     ISSN:  0378-3782     ISO Abbreviation:  Early Hum. Dev.     Publication Date:  1988 Mar 
Date Detail:
Created Date:  1988-07-18     Completed Date:  1988-07-18     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7708381     Medline TA:  Early Hum Dev     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  253-61     Citation Subset:  IM    
Faculty of Medicine and Health Sciences, U.A.E. University, Al Ain, U.A.E.
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MeSH Terms
Brain / anatomy & histology*
Infant, Newborn
Infant, Premature / metabolism
Infant, Small for Gestational Age / metabolism*
Organ Size
Oxygen Consumption

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

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