Document Detail

Defining the reference range for oxygen saturation for infants after birth.
MedLine Citation:
PMID:  20439604     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: The goal was to define reference ranges for pulse oxygen saturation (Spo(2)) values in the first 10 minutes after birth for infants who received no medical intervention in the delivery room.
METHODS: Infants were eligible if a member of the research team was available to record Spo(2) immediately after birth. Infants were excluded if they received supplemental oxygen or any type of assisted ventilation. Spo(2) was measured with a sensor applied to the right hand or wrist as soon as possible after birth; data were collected every 2 seconds.
RESULTS: We studied 468 infants and recorded 61650 Spo(2) data points. The infants had a mean + or - SD gestational age of 38 + or - 4 weeks and birth weight of 2970 + or - 918 g. For all 468 infants, the 3rd, 10th, 50th, 90th, and 97th percentile values at 1 minute were 29%, 39%, 66%, 87%, and 92%, respectively, those at 2 minutes were 34%, 46%, 73%, 91%, and 95%, and those at 5 minutes were 59%, 73%, 89%, 97%, and 98%. It took a median of 7.9 minutes (interquartile range: 5.0-10 minutes) to reach a Spo(2) value of >90%. Spo(2) values for preterm infants increased more slowly than those for term infants. We present percentile charts for all infants, term infants of > or = 37 weeks, preterm infants of 32 to 36 weeks, and extremely preterm infants of <32 weeks.
CONCLUSION: These data represent reference ranges for Spo(2) in the first 10 minutes after birth for preterm and term infants.
Jennifer A Dawson; C Omar F Kamlin; Maximo Vento; Connie Wong; Tim J Cole; Susan M Donath; Peter G Davis; Colin J Morley
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-05-03
Journal Detail:
Title:  Pediatrics     Volume:  125     ISSN:  1098-4275     ISO Abbreviation:  Pediatrics     Publication Date:  2010 Jun 
Date Detail:
Created Date:  2010-06-02     Completed Date:  2010-07-27     Revised Date:  2014-02-19    
Medline Journal Info:
Nlm Unique ID:  0376422     Medline TA:  Pediatrics     Country:  United States    
Other Details:
Languages:  eng     Pagination:  e1340-7     Citation Subset:  AIM; IM    
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MeSH Terms
Apgar Score
Infant, Newborn / physiology*
Infant, Premature / physiology*
Oxygen Consumption
Reference Values
Grant Support
G0700961//Medical Research Council

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

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