Document Detail


Pharmacodynamics of the diuretic effects of aminophylline and acetazolamide alone and combined with furosemide in normal subjects.
MedLine Citation:
PMID:  6620175     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The current study was performed in normal subjects to assess the mechanism of the natriuretic effects of aminophylline, to confirm the effect of acetazolamide on the proximal tubule and to assess the pharmacodynamics of the combination of aminophylline and of acetazolamide with furosemide. None of these agents or their combination affected renal hemodynamics. Aminophylline inhibited solute reabsorption at the diluting segment manifested by a 15% decrease in free water clearance relative to solute delivery (P less than .001). In addition, it decreased solute reabsorption in the proximal nephron. Acetazolamide affected only the proximal tubule. The combination of either aminophylline or of acetazolamide with furosemide was little different from furosemide alone. Analysis of dose-response curves to furosemide revealed a minor additive, i.e., parallel upward shift, of the dose-response curves with both combinations.
Authors:
D C Brater; S Kaojarern; P Chennavasin
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  The Journal of pharmacology and experimental therapeutics     Volume:  227     ISSN:  0022-3565     ISO Abbreviation:  J. Pharmacol. Exp. Ther.     Publication Date:  1983 Oct 
Date Detail:
Created Date:  1983-11-23     Completed Date:  1983-11-23     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  0376362     Medline TA:  J Pharmacol Exp Ther     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  92-7     Citation Subset:  IM    
Export Citation:
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MeSH Terms
Descriptor/Qualifier:
Acetazolamide / administration & dosage,  pharmacology*
Aminophylline / administration & dosage,  pharmacology*
Diuretics*
Dose-Response Relationship, Drug
Drug Therapy, Combination
Furosemide / administration & dosage*
Humans
Kidney / drug effects*
Kidney Tubules, Proximal / drug effects
Male
Renal Circulation / drug effects
Grant Support
ID/Acronym/Agency:
1-M01-RR00663/RR/NCRR NIH HHS; 5-R01-AM27059/AM/NIADDK NIH HHS; 5-T32-GM03247/GM/NIGMS NIH HHS
Chemical
Reg. No./Substance:
0/Diuretics; 317-34-0/Aminophylline; 54-31-9/Furosemide; 59-66-5/Acetazolamide

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


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