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Carbon dioxide concentrations in the environment of sleeping infants
Author(s) -
MALCOLM G.,
COHEN G.,
HENDERSONSMART D.
Publication year - 1994
Publication title -
journal of paediatrics and child health
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.631
H-Index - 76
eISSN - 1440-1754
pISSN - 1034-4810
DOI - 10.1111/j.1440-1754.1994.tb00565.x
Subject(s) - medicine , supine position , carbon dioxide , pacifier , prone position , sudden infant death syndrome , anesthesia , pediatrics , breastfeeding , ecology , biology
In 22 infants continuous measurements were made of the concentration of carbon dioxide (CO 2 ) in inspired air during sleep. Evidence was found of CO 2 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 CO 2 but to a lesser extent than being under a blanket. In awake infants the presence of a pacifier also promoted an excess of CO 2 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.

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