Plasma and urinary aldosterone measurement in healthy subjects with a radioimmunoassay kit not requiring chromatography

Laurence Demers, Eric Sampson, Arthur H. Hayes

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

We examined the application of a radioimmunoassay kit, not requiring chromatography, to the measurement of aldosterone in healthy human subjects. Plasma aldosterone, urinary aldosterone, and plasma renin activity measurements were performed on samples from 47 subjects under conditions in which dietary sodium intake, posture, and times of sample collection were rigidly controlled. Nomograms are presented to illustrate the continuous, rather well defined, inverse relationship between 24 h sodium excretion and aldosterone measurements in plasma and urine. Mean plasma and urinary aldosterone values for subjects on normal sodium diets were 0.332 ± 0.211 nmol/liter and 36.6 ± 18.6 nmol/24 h and agreed well with previously reported values. A significant (p <0.05 increase in 24 h urinary aldosterone, plasma aldosterone and plasma renin activity resulted with decreased dietary sodium intake and conversely, a significant (p <0.05) decrease in each hormone occurred with increased dietary sodium intake. Rising from the supine to upright position resulted in a 230% increase in plasma aldosterone concentrations and a 284% increase in plasma renin activity.

Original languageEnglish (US)
Pages (from-to)243-246
Number of pages4
JournalClinical Biochemistry
Volume9
Issue numberC
DOIs
StatePublished - Jan 1 1976

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Chromatography
Aldosterone
Radioimmunoassay
Healthy Volunteers
Plasmas
Dietary Sodium
Sodium
Renin
Thermodynamic properties
Nomograms
Nutrition
Posture
Urine
Hormones
Diet

All Science Journal Classification (ASJC) codes

  • Clinical Biochemistry

Cite this

Demers, Laurence ; Sampson, Eric ; Hayes, Arthur H. / Plasma and urinary aldosterone measurement in healthy subjects with a radioimmunoassay kit not requiring chromatography. In: Clinical Biochemistry. 1976 ; Vol. 9, No. C. pp. 243-246.
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Plasma and urinary aldosterone measurement in healthy subjects with a radioimmunoassay kit not requiring chromatography. / Demers, Laurence; Sampson, Eric; Hayes, Arthur H.

In: Clinical Biochemistry, Vol. 9, No. C, 01.01.1976, p. 243-246.

Research output: Contribution to journalArticle

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