This Article Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Email this article to a friend Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Request Permissions Citing Articles Citing Articles via HighWire Citing Articles via Google Scholar Google Scholar Articles by Komanicky, P. Articles by Melby, J. C. Search for Related Content PubMed PubMed Citation Articles by Komanicky, P. Articles by Melby, J. C. Pubmed/NCBI databases Compound via MeSH Substance via MeSH Hazardous Substances DB POTASSIUM SODIUM

Hypertension, Vol 4, 140-145, Copyright © 1982 by American Heart Association

ARTICLES

Hypertensinogenic potencies of aldosterone and deoxycorticosterone in the rat

P Komanicky and JC Melby

Hypertensinogenic potency and other effects of acetate salts of aldosterone (ALA) and deoxycorticosterone (DOCA) were evaluated in 50- day-old mononephrectomized and saline-drinking Sprague-Dawley CD male rats. The steroids were administered by continuous subcutaneous infusion in a dose of 100 microgram/24 hrs by means of Alzet osmotic minipumps implanted subcutaneously. Within 3 weeks of steroid treatment, systolic blood pressure, measured in the tail of conscious animals by a photoelectric cell method at 27 degrees C environmental temperature, increased significantly in ALA rats as compared to that in DOCA rats, which was not different from controls. ALA rats exhibited marked polydipsia, decreased body weight, hypernatremia, hypokalemia, cardiomegaly, and kidney enlargement, whereas DOCA rats exhibited only cardiomegaly when compared with controls. The degree of cardiomegaly in ALA and DOCA rats was statistically much greater than the differences in their respective blood pressure levels when compared to controls. Under the conditions of this study, it is concluded that: 1) the hypertensinogenic potency of ALA is greater than that of DOCA; 2) ALA and DOCA may induce cardiomegaly, independent of their effect on blood pressure; 3) Alzet osmotic minipumps are effective tools for the administration of steroids by continuous infusion.

This article has been cited by other articles:

				J. GENEST Volume Hormones and Blood Pressure Ann Intern Med, May 1, 1983; 98(5_Part_2): 744 - 749. [Abstract] [PDF]