Document Detail

Carbon dioxide concentrations in the environment of sleeping infants.
MedLine Citation:
PMID:  8148189     Owner:  NLM     Status:  MEDLINE    
In 22 infants continuous measurements were made of the concentration of carbon dioxide (CO2) in inspired air during sleep. Evidence was found of CO2 enrichment of inspired air in certain environmental conditions. The levels achieved were not sufficiently high to acutely endanger an infant. Carbon dioxide concentrations as high as 2-3% were observed in the prone position when the infant's head was under a blanket and when the lower face was obscured by bedding. Sleeping prone on a sheepskin also resulted in an increased concentration of CO2 but to a lesser extent than being under a blanket. In awake infants the presence of a pacifier also promoted an excess of CO2 in the inspired air, both in the prone and supine positions. The physiological and clinical implications of these findings, in relation to the Sudden Infant Death Syndrome (SIDS), are unknown and warrant investigation.
G Malcolm; G Cohen; D Henderson-Smart
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of paediatrics and child health     Volume:  30     ISSN:  1034-4810     ISO Abbreviation:  J Paediatr Child Health     Publication Date:  1994 Feb 
Date Detail:
Created Date:  1994-05-12     Completed Date:  1994-05-12     Revised Date:  2007-09-24    
Medline Journal Info:
Nlm Unique ID:  9005421     Medline TA:  J Paediatr Child Health     Country:  AUSTRALIA    
Other Details:
Languages:  eng     Pagination:  45-9     Citation Subset:  IM    
Department of Perinatal Medicine, King George V Memorial Hospital for Mothers and Babies, Camperdown, New South Wales, Australia.
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MeSH Terms
Air / analysis*
Carbon Dioxide / analysis*
Infant, Newborn
Sleep / physiology*
Reg. No./Substance:
124-38-9/Carbon Dioxide
Comment In:
J Paediatr Child Health. 1994 Aug;30(4):371-2   [PMID:  7832856 ]
J Paediatr Child Health. 1995 Jun;31(3):258-9   [PMID:  7669391 ]

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

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