Document Detail

Effects of frusemide on electrolyte and acid-base balance during exercise.
MedLine Citation:
PMID:  10659284     Owner:  NLM     Status:  MEDLINE    
This study was undertaken to evaluate the effects of frusemide on the concentration of plasma electrolytes and the relationship between changes in electrolyte concentration and the simultaneous changes in acid-base balance in arterial and venous blood during intense exercise. Five exercise-conditioned Thoroughbred horses were exercised on a high-speed treadmill at a slope of 10% at speeds known to exceed VO2max. Horses participated in 3 randomised exercise trials in which they received either placebo (control), low-dose frusemide (0.5 mg/kg bwt), or high-dose frusemide (1.0 mg/kg) 4 h prior to exercise. Arterial and mixed venous blood samples were drawn before, during and after intense exercise. Packed cell volume (PCV), plasma protein, plasma electrolyte, plasma lactate concentrations and acid-base balance were determined. Frusemide at both dosages induced a significant metabolic alkalosis associated with a decrease in plasma çhloride[ in both arterial and mixed venous blood. There was a highly significant correlation between the strong ion difference (SID) and bicarbonate[ in all blood samples. The effects of frusemide on electrolyte concentration and acid-base balance were largely due to changes in SID.
G P Carlson; J H Jones
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Equine veterinary journal. Supplement     Volume:  -     ISSN:  -     ISO Abbreviation:  Equine Vet J Suppl     Publication Date:  1999 Jul 
Date Detail:
Created Date:  2000-03-02     Completed Date:  2000-03-02     Revised Date:  2013-05-16    
Medline Journal Info:
Nlm Unique ID:  9614088     Medline TA:  Equine Vet J Suppl     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  370-4     Citation Subset:  IM    
Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis 95616, USA.
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MeSH Terms
Acid-Base Equilibrium / drug effects*
Diuretics / pharmacology*
Exercise Test / veterinary
Furosemide / pharmacology*
Horses / physiology*
Models, Biological
Physical Conditioning, Animal / physiology*
Water-Electrolyte Balance / drug effects*
Reg. No./Substance:
0/Diuretics; 54-31-9/Furosemide

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

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