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Open AccessJournal ArticleDOI

Within-Patient Reproducibility of the Aldosterone:Renin Ratio in Primary Aldosteronism

TLDR
Data from a prospective multicenter study of consecutive hypertensive patients referred to specialized centers for hypertension in Italy support the use of the plasma aldosterone concentration:renin ratio (ARR) for the screening of primary aldosteronism.
Abstract
The plasma aldosterone concentration:renin ratio (ARR) is widely used for the screening of primary aldosteronism, but its reproducibility is unknown. We, therefore, investigated the within-patient reproducibility of the ARR in a prospective multicenter study of consecutive hypertensive patients referred to specialized centers for hypertension in Italy. After the patients were carefully prepared from the pharmacological standpoint, the ARR was determined at baseline in 1136 patients and repeated after, on average, 4 weeks in the patients who had initially an ARR ≥40 and in 1 of every 4 of those with an ARR r =0.69; P

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P-593: Drug effects on aldosterone/plasma renin activity ratio in primary aldosteronism

TL;DR: The effects of therapy with atenolol, amlodipine, doxazosin, fosinopril, and irbesartan on the aldosterone/plasma renin activity ratio (ARR) in a group of 230 patients with suspected primary aldosteronism was investigated.
Journal ArticleDOI

Primary Aldosteronism: Changing Definitions and New Concepts of Physiology and Pathophysiology Both Inside and Outside the Kidney.

TL;DR: This review summarizes current progress in understanding of the physiology of aldosterone, and towards defining the causes, causes, epidemiology, outcomes, and clinical approaches to diagnostic workup and treatment of PA.
Journal ArticleDOI

A comprehensive review of the clinical aspects of primary aldosteronism.

TL;DR: In some subgroups of patients with hypertension who are at high risk of primary aldosteronism or can benefit most from an accurate diagnosis, an aggressive diagnostic approach is necessary.
Journal ArticleDOI

Primary Aldosteronism: JACC State-of-the-Art Review

TL;DR: Moves aimed at improving the clinical use of adrenal vein sampling and at developing alternative techniques for subtyping, alongside recommendations for drug treatment, including new development in the field, and for follow-up are discussed.
References
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Journal ArticleDOI

Measuring agreement in method comparison studies

TL;DR: The 95% limits of agreement, estimated by mean difference 1.96 standard deviation of the differences, provide an interval within which 95% of differences between measurements by the two methods are expected to lie.
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A New Biometrical Procedure for Testing the Equality of Measurements from Two Different Analytical Methods Application of linear regression procedures for method comparison studies in Clinical Chemistry, Part I

TL;DR: A new linear regression procedure is proposed with no special assumptions regarding the distribution of the samples and the measurement errors and the result does not depend on the assignment of the methods (instruments) to X and Y.
Journal ArticleDOI

Case Detection, Diagnosis, and Treatment of Patients with Primary Aldosteronism : An Endocrine Society Clinical Practice Guideline

TL;DR: The Task Force developed clinical practice guidelines for the diagnosis and treatment of patients with primary aldosteronism and recommended that patients with bilateral adrenal hyperplasia, or those unsuitable for surgery, optimally be treated medically by mineralocorticoid receptor antagonists.
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Evidence for an increased rate of cardiovascular events in patients with primary aldosteronism

TL;DR: Patients presenting with PA experienced more cardiovascular events than did EHT patients independent of blood pressure, and the presence of PA should be detected, not only to determine the cause of HTN, but also to prevent such complications.
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