Cited by 265Hormonal Regulation and HypertensionRenin-Angiotensin System StudiesBlood Pressure and Hypertension Studies

Low-renin status in therapy-resistant hypertension: a clue to efficient treatment

Eide, Ivar K, Torjesen, Peter A, Drolsum, Anders, Babovic, Almira, Lilledahl, Nils P·2004·Journal of Hypertension

Abstract

OBJECTIVE: Therapy resistance is an enduring problem in clinical hypertension. Our aims were to estimate: (1) the contribution of a low-renin status in therapy resistance; (2) whether such status could give a clue to more successful treatment; and (3) the contribution by adrenal cortical adenomas and by primary aldosteronism. SETTING: Patients were referred from general and internal medicine practices following written invitations and included consecutively. Participants were examined and followed-up on an outpatient basis. DESIGN AND INTERVENTIONS: Patients were divided according to renin status. Low-renin patients were treated with an aldosterone inhibitor in a prospective, randomized, placebo-controlled, double-blind, cross-over study. MAIN OUTCOME MEASURES: Prevalence of low-renin status in therapy resistance. Blood pressure and hormonal responses to specific treatment. Numbers of adrenocortical adenomas and primary aldosteronism. RESULTS: In 90 treatment-resistant hypertensive, 67% had plasma renin activity (PRA) below 0.5 nmol/l per hour. Of the 60 low-renin patients, 38 were studied on a fixed combination of amiloride and hydrochlorothiazide. Three weeks' treatment reduced blood pressure by 31/15 mmHg compared to placebo (P < or = 0.0001). Serum aldosterone and plasma renin activity increased substantially during active treatment. Through the subsequent 6-12 months of open treatment, seven patients (18%) showing an escape phenomenon had their high blood pressure effectively treated by extra amiloride. Of the 60 low-renin patients, eight had adrenal adenoma. CONCLUSION: A low-renin status characterized two-thirds of patients with treatment-resistant hypertension, who could be treated efficiently by aldosterone inhibition. Patients with an escape phenomenon (18%) could effectively be treated by increasing the aldosterone inhibitor. Low-renin hypertensives had high prevalence of adrenocortical adenomas and primary aldosteronism.

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Crossref · 10.1097/00004872-200411000-00026

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Authors
Eide, I. K., Torjesen, P. A., Drolsum, A., Babovic, A., & Lilledahl, N. P.
Affiliations
Oslo University Hospital (NO)
Corresponding author
Eide, Ivar K
Venue
Journal of Hypertension
Published
2004-11
Volume
22
Issue
11
Pages
2217-2226
ISSN
0263-6352 (ISSN-L)
OpenAlex
W2073002995
Cited by
265
References
46
Citations by year
2026: 5 · 2025: 6 · 2024: 1 · 2023: 5 · 2022: 4 · 2021: 9 · 2020: 8 · 2019: 3 · 2018: 9 · 2017: 16 · 2016: 17 · 2015: 13 · 2014: 17 · 2013: 21 · 2012: 13
FWCI
9.30
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Hypertension (publishedVersion)
  • PubMed (publishedVersion)
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 › Cardiology and Cardiovascular Medicine › Blood Pressure and Hypertension Studies
Keywords
treatment-resistant hypertension, plasma renin activity, amiloride, hydrochlorothiazide, adrenal adenoma, primary aldosteronism, blood pressure reduction
MeSH terms
Adenoma, Adrenal Gland Neoplasms, Adult, Aged, Aged, 80 and over, Mineralocorticoid Receptor Antagonists, Amiloride, Antihypertensive Agents, Drug Combinations, Drug Resistance, Female, Humans, Hydrochlorothiazide, Hyperaldosteronism, Hypertension, Male, Middle Aged, Potassium, Prospective Studies, Renin, Retinal Diseases, Prevalence, Cross-Over Studies

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