Cited by 58Hormonal Regulation and HypertensionRenin-Angiotensin System StudiesAdrenal Hormones and Disorders

Urinary tetrahydroaldosterone and aldosterone-18-glucuronide excretion in white and black normal subjects and hypertensive patients

GOMEZ-SANCHEZf, CELSO E., HOLLAND, BRYAN·1981·The Journal of Clinical Endocrinology & Metabolism

Abstract

Urinary aldosterone excretion is commonly determined by assay of aldosterone liberated from the acid-labile metabolite, aldosterone-18-glucuronide (Aldo-18-G), which reflects 5-15% of aldosterone secretion. However, since 3alpha, 5beta-tetrahydroaldosterone (TH-Aldo), the major metabolite, reflects 15-40% of aldosterone excretion, determination of its excretion should usually provide a more accurate index of aldosterone secretion. We have validated a RIA for urinary TH-Aldo and compared its excretion in black and white normal subjects and patients with essential hypertension and primary aldosteronism during consumption of low, normal, and high sodium diets. Urinary TH-Aldo excretion averaged 4.5 +/- 2.0 (mean +/- SD) times that of Aldo-18-G. The ratio of excretion of the two remained relatively constant during low, normal, and high sodium diets. There was no difference in the excretion of TH-Aldo or Aldo-18-G in black vs. white normal subjects or hypertensive patients and no age-related changes in the excretion of either metabolite from 20-60 yr of age. Two of nine patients with primary aldosteronism had normal Also-18-G excretion but elevated TH-Aldo excretion. We conclude that determination of both metabolites increases the diagnostic accuracy for primary aldosteronism.

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Crossref · 10.1210/jcem-52-2-214

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Authors
GOMEZ-SANCHEZf, C. E., & HOLLAND, B.
Affiliations
University of South Florida (US)
Venue
The Journal of Clinical Endocrinology & Metabolism
Published
1981-02
Volume
52
Issue
2
Pages
214-219
ISSN
  • 0021-972X (ISSN-L)
  • 1945-7197
OpenAlex
W2150331207
Cited by
58
References
23
Citations by year
2026: 1 · 2025: 3 · 2024: 4 · 2023: 3 · 2022: 1 · 2019: 1 · 2017: 1 · 2016: 1 · 2015: 1 · 2013: 1
FWCI
2.98
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Clinical Endocrinology & Metabolism (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health (5r01hl026856-06)
  • National Center for Research Resources (M01RR000633)
  • NIH Clinical Center
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Hormonal Regulation and Hypertension
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Renin-Angiotensin System Studies
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Adrenal Hormones and Disorders
Keywords
aldosterone excretion, primary aldosteronism, essential hypertension, sodium intake, racial differences, age-related changes, radioimmunoassay validation, diagnostic accuracy
MeSH terms
Adult, Aldosterone, Diet, Female, Glucuronates, Humans, Hyperaldosteronism, Hypertension, Kinetics, Male, Middle Aged, Radioimmunoassay, Sodium, Black People, White People

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