Aldosterone has been characterized by its actions on the kidney via the mineralocorticoid
receptor (MR) to control sodium excretion, and thus regulate sodium and volume homeostasis
and blood pressure. However, aldosterone acts as well on the heart and blood vessels
to exert physiological and pathophysiological actions.
1
Excess aldosterone in relation to salt status acting through MR via both genomic
and nongenomic effects contributes to endothelial dysfunction and stiffness, and vascular
and cardiorenal adverse remodeling, and thus participates in the target organ damage
associated with hypertension, heart failure, myocardial infarction, and chronic kidney
disease.
2
In all these conditions, blockade of the MR has been shown to exert beneficial cardiorenal
actions that improve outcomes of patients.
3
,
4
,
5
,
- Pitt B.
- Remme W.
- Zannad F.
- Neaton J.
- Martinez F.
- Roniker B.
- Bittman R.
- Hurley S.
- Kleiman J.
- Gatlin M.
for the Eplerenone Post–Acute Myocardial Infarction Heart Failure Efficacy and Survival
Study Investigators. Eplerenone, a Selective Aldosterone Blocker, in Patients with
Left Ventricular Dysfunction after Myocardial Infarction.
N Engl J Med. 2003; 348: 1309-1321
6
Furthermore, deletion of cardiomyocyte mineralocorticoid receptor ameliorates adverse
remodeling after myocardial infarction, demonstrating in experimental myocardial infarction
the role of the MR in cardiac remodeling following cardiomyocyte ischemia.
7
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Article info
Publication history
Accepted:
February 8,
2023
Received:
February 2,
2023
Publication stage
In Press Journal Pre-ProofFootnotes
URL: ladydavis.ca/en/ernestoschiffrin
Identification
Copyright
© 2023 Published by Elsevier Inc. on behalf of the Canadian Cardiovascular Society.