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Awake and asleep oxygen saturations in infants with chronic neonatal lung disease.
MedLine Citation:
PMID:  21362041     Owner:  NLM     Status:  Publisher    
Aims:  There is uncertainty about the best method of withdrawing supplemental oxygen in babies with chronic neonatal lung disease (CNLD). Some authors advocate withdrawal of oxygen in the day, but continuing supplementation during sleep, based on early work suggesting that oxygen saturations are lower during sleep, which did not accord with our clinical impression. We re-examined the hypothesis that babies have lower saturations while asleep. Methods:  We studied infants with CNLD during the day, while awake and asleep. We recorded video with simultaneous real time capture of oxygen saturation (SpO2), heart rate and plethysmographic waveform from pulse oximetry. Behavioural state was scored using observation and video, and classified as Awake (Feeding, Active or Quiet) or Sleep. Results:  13 infants had analysable data, although one had strikingly lower SpO(2) values while awake, and was excluded from analysis. The infants had a median gestation of 26 weeks, and were studied at a median (range) post-menstrual age of 66 (37-130) weeks, for 229 (89-330) minutes. Mean SpO(2) was 97.6% during sleep and 97.0% awake (p=0.011). Conclusions:  Babies with CNLD have lower oxygen saturation while awake. There is no physiological justification for increasing oxygen during sleep, or withdrawing selectively during the daytime, although larger studies are needed to confirm this finding.
Sarah Sykes; Ruth Kingshott; Robert Primhak
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-3-1
Journal Detail:
Title:  Acta paediatrica (Oslo, Norway : 1992)     Volume:  -     ISSN:  1651-2227     ISO Abbreviation:  -     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-3-2     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9205968     Medline TA:  Acta Paediatr     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Acta Paediatrica © 2011 Foundation Acta Paediatrica.
University of East Anglia, Norwich, UK Sheffield Children's Hospital NHS Foundation Trust, Sheffield, UK.
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