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Effects of the supine and prone position on diaphragm thickness in healthy term infants.

Authors
Type
Published Article
Journal
Archives of Disease in Childhood
0003-9888
Publisher
BMJ
Publication Date
Volume
83
Issue
3
Pages
234–238
Identifiers
PMID: 10952643
Source
Medline

Abstract

In healthy term infants, placed in the prone position, the diaphragm is significantly thicker and, therefore, shorter, both at EEV and EIV. Diaphragm shortening during tidal breathing is greater when the infant is prone. In the prone position, the decreased diaphragm resting length would impair diaphragm strength, and the additional diaphragm shortening during tidal breathing represents added work performed by the diaphragm. This may compromise an infant's capacity to respond to stressful situations when placed in the prone position and may contribute to the association of SIDS with prone position.

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