Document Detail


Predictors of arterial oxygen tension in anesthetized horses: 1,610 cases (1992-1994).
MedLine Citation:
PMID:  10511864     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: To identify factors associated with various arterial partial pressures of oxygen (Pao2) in anesthetized horses. DESIGN: Retrospective study. ANIMALS: 1,450 horses anesthetized a total of 1,610 times with isoflurane or halothane. PROCEDURE: Anesthesia records, particularly results of blood gas analyses, were reviewed, and horses were grouped on the basis of lowest Pao2. RESULTS: For horses with lowest Pao2 < 120 mm Hg, those with low pulse pressure, that underwent anesthesia on an emergency basis, or that were males were more likely to have Pao2 < 80 mm Hg. For horses with lowest Pao2 < 250 mm Hg, those that were positioned in dorsal recumbency, that underwent anesthesia on an emergency basis, or that had a shorter duration of anesthesia were more likely to have lowest Pao2 < 120 mm Hg. For horses with lowest Pao2 < 400 mm Hg, those that were positioned in dorsal recumbency, that underwent anesthesia on an emergency basis, that had a shorter duration of anesthesia, that were older, that were heavier, or that were being ventilated mechanically were more likely to have lowest Pao2 < 250 mm Hg. CONCLUSIONS AND CLINICAL RELEVANCE: Low pulse pressure, emergency case status, dorsal recumbency, and short duration of anesthesia were significantly related with lower Pao2 in anesthetized horses.
Authors:
K J Whitehair; N H Willits
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of the American Veterinary Medical Association     Volume:  215     ISSN:  0003-1488     ISO Abbreviation:  J. Am. Vet. Med. Assoc.     Publication Date:  1999 Oct 
Date Detail:
Created Date:  1999-11-30     Completed Date:  1999-11-30     Revised Date:  2003-11-14    
Medline Journal Info:
Nlm Unique ID:  7503067     Medline TA:  J Am Vet Med Assoc     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  978-81     Citation Subset:  IM    
Affiliation:
Veterinary Teaching Hospital, School of Veterinary Medicine, University of California, Davis 95616, USA.
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MeSH Terms
Descriptor/Qualifier:
Anesthesia, Inhalation / veterinary*
Anesthetics, Inhalation
Animals
Blood Gas Analysis / veterinary
Female
Halothane
Horses / blood*
Isoflurane
Male
Oxygen / blood*
Retrospective Studies
Chemical
Reg. No./Substance:
0/Anesthetics, Inhalation; 151-67-7/Halothane; 26675-46-7/Isoflurane; 7782-44-7/Oxygen

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


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