Document Detail


Continuous comparison of transcutaneous and arterial oxygen tension in newborn infants with respiratory illnesses.
MedLine Citation:
PMID:  279208     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Transcutaneous oxygen tension (tcPO2) measured by two skin electrodes of different design, and arterial oxygen tension (PaO2) measured by an intravascular oxygen electrode, were continuously compared for periods of 6--27 h in 45 newborn infants with respiratory illnesses. One skin electrode (Dräger) had three microcathodes surrounded by a heated ring-shaped anode and the other (Roche) a large heated cathode. The electrodes were calibrated in vitro; 44 degrees C was found to be a suitable electrode temperature for the estimation of Pao2. tcPo2 recorded by the electrode with the microcathodes estimated Pao2 reasonably accurately for 6 h without the necessity for re-siting. tcPao2 recorded by the electrode with the large cathode gave a similar estimate of Pao2 for 3 h, but then tcPao2 often fell relative to Pao2. This fall was probably caused by skin changes at the electrode site. Poor skin perfusion causing underestimation of Pao2 by tcPo2 could not be identified by a number of methods tried.
Authors:
P N Le Souëf; A K Morgan; L P Soutter; E O Reynolds; D Parker
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Acta anaesthesiologica Scandinavica. Supplementum     Volume:  68     ISSN:  0515-2720     ISO Abbreviation:  Acta Anaesthesiol Scand Suppl     Publication Date:  1978  
Date Detail:
Created Date:  1978-11-18     Completed Date:  1978-11-18     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0370271     Medline TA:  Acta Anaesthesiol Scand Suppl     Country:  DENMARK    
Other Details:
Languages:  eng     Pagination:  91-7     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Asphyxia Neonatorum / diagnosis*
Blood Gas Analysis / methods*
Body Temperature
Electrodes
Female
Hot Temperature
Humans
Infant, Newborn
Oxygen / blood*
Partial Pressure
Pregnancy
Respiratory Distress Syndrome, Newborn / diagnosis
Skin Temperature
Temperature
Chemical
Reg. No./Substance:
7782-44-7/Oxygen

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


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