Document Detail


Intravascular mixed venous oxygen tension monitoring. An analysis of electrode performance in 100 patients.
MedLine Citation:
PMID:  7459189     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
A lengthened umbilical artery catheter incorporating an oxygen electrode (Searle) was flow-guided to the pulmonary artery in 48 out of 62 attempts (77.4%). In the last 70 catheters used, electrode performance was evaluated over a total of 3687 h by comparison with an ABL2 (Radiometer) blood-gas analyser; 654 comparisons were made, of which 255 resulted in recalibration of the electrode output. When sampling intervals were within 6 h, in more than 80% of the comparisons the difference between in vivo and in vitro measurement was within +/- 0.4 kPa (+/- 3 mm Hg). Twenty-four electrodes were removed sooner than clinically indicated (mean useful life 48.5 h) because of failure of oxygen or pressure measurements.
Authors:
R F Armstrong; J Moxham; S L Cohen; C J Vallis
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  British journal of anaesthesia     Volume:  53     ISSN:  0007-0912     ISO Abbreviation:  Br J Anaesth     Publication Date:  1981 Jan 
Date Detail:
Created Date:  1981-04-13     Completed Date:  1981-04-13     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0372541     Medline TA:  Br J Anaesth     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  89-96     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Blood Gas Analysis / methods
Calibration
Catheterization
Electrodes / standards
Humans
Monitoring, Physiologic / standards
Oxygen / blood*
Pulmonary Artery
Time Factors
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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