Incidence of Atrial Fibrillation and Mineralocorticoid Receptor Activity in Patients With Medically and Surgically Treated Primary Aldosteronism

Abstract/Summary:

Primary aldosteronism (PA) is an ideal condition to evaluate the role of the mineralocorticoid receptor (MR) in the pathogenesis of atrial fibrillation (AF). When compared with patients with essential hypertension, patients with PA treated with MR antagonists such that renin remained suppressed (as a proxy for insufficient MR blockade) had a significantly higher risk for incident AF; however, treatment of PA with MR antagonists to substantially increase renin (suggesting sufficient MR blockade), or with surgical adrenalectomy (to remove the source of aldosteronism), was associated with no significant difference in risk for developing AF. These findings add to the growing body of evidence suggesting that MR blockade may be a potential therapy to decrease the incidence of AF.

Authors: Gregory L Hundemer, Gary C Curhan, Nicholas Yozamp, Molin Wang, Anand Vaidya
Keywords: atrial fibrillation, hyperaldosteronism, mineralocorticoid receptor antagonist, renin
DOI Number: 10.1001/jamacardio.2018.2003      Publication Year: 2018

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©2021 Primary Aldosteronism Foundation

The Primary Aldosteronism Foundation is a registered 501(c)(3) public charity. Donations are tax deductible in the US.