Document Detail


Effect of procedure light on the physiological responses of preterm infants.
MedLine Citation:
PMID:  20618679     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
AIM: Current recommendations for illumination in the NICU state that procedure light should be controlled with a rheostat to protect infants from high illumination. However, overhead fluorescent lights without a dimmer switch are still used in Japan. The aim of this study was to assess the effects of three different procedure lighting conditions (fluorescent with on/off switch rapidly increasing the level of light [FRL], incandescent with on/off switch rapidly increasing the level of light [IRL], and incandescent with dimmer switch slowly increasing the level of light [ISL]) on the respiratory rate (RR) and oxygen saturation (SpO(2)) in preterm infants with or without oxygen therapy. METHODS: Eight preterm infants, with a gestational age of 29-31 weeks, were included in a repeated randomized cross-over study. ANCOVAs, based on general linear mixed models, were used to examine physiological changes over time and across lighting conditions. In addition, the minimum SpO(2) values, after increasing the level of light, were classified into SpO(2) < or = 85%, SpO(2) = 86-91%, and SpO(2) > or = 92% for each lighting condition. RESULTS: With and without oxygen therapy, the RR and SpO(2) under the ISL were higher than under the FRL and IRL. SpO(2) < or = 85% was only observed under the FRL and SpO(2) = 86-91% was observed under the FRL and IRL. CONCLUSIONS: These data suggest that differences in the light conditions influence physiological responses in preterm infants and slowly increasing the level of light might make it easier for them to slowly adapt to high illumination and prevent declining SpO(2) values in neonates.
Authors:
Mio Ozawa; Minako Sasaki; Katsuya Kanda
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Publication Detail:
Type:  Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Japan journal of nursing science : JJNS     Volume:  7     ISSN:  1742-7924     ISO Abbreviation:  Jpn J Nurs Sci     Publication Date:  2010 Jun 
Date Detail:
Created Date:  2010-07-12     Completed Date:  2010-11-01     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101227890     Medline TA:  Jpn J Nurs Sci     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  76-83     Citation Subset:  IM; N    
Affiliation:
Department of Nursing Administration, Graduate School of Medicine, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan. ozawamio-tky@umin.ac.jp
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MeSH Terms
Descriptor/Qualifier:
Cross-Over Studies
Humans
Infant, Newborn
Infant, Premature / physiology*
Japan
Lighting*
Oxygen Inhalation Therapy
Respiration

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