Cited by 88Hormonal Regulation and HypertensionRenin-Angiotensin System StudiesCardiac Fibrosis and Remodeling

Increased levels of oxidative stress, subclinical inflammation, and myocardial fibrosis markers in primary aldosteronism patients

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Stehr, Carlos B, Mellado, Rosemarie, Ocaranza, Maria P, Carvajal, Cristian A, Mosso, Lorena, Becerra, Elia, Solis, Margarita, García, Lorena +3 more·2010·Journal of Hypertension

Abstract

BACKGROUND: Patients with primary aldosteronism experience greater left ventricular hypertrophy and a higher frequency of cardiovascular events than do essential hypertensive patients with comparable blood pressure levels. Aldosterone has been correlated with increased oxidative stress, endothelial inflammation, and fibrosis, particularly in patients with heart disease. AIM: To evaluate oxidative stress, subclinical endothelial inflammation, and myocardial fibrosis markers in patients with primary aldosteronism and essential hypertension. DESIGN AND INDIVIDUALS: We studied 30 primary aldosteronism patients and 70 control essential hypertensive patients, matched by age, sex and median blood pressure. For all patients, we measured the serum levels of aldosterone, plasma renin activity, malondialdehyde (MDA), xanthine oxidase, metalloproteinase-9, ultrasensitive C-reactive protein and amino terminal propeptides of type I (PINP), and type III procollagen. We also evaluated the effect of PA treatment in 19 PA individuals. RESULTS: PA patients showed elevated levels of MDA (1.70 ± 0.53 versus 0.94 ± 0.65 μmol/l, P <0.001) and PINP (81.7 ± 50.6 versus 49.7 ± 27 mg/l, P = 0.002) compared with essential hypertensive controls. We found a positive correlation between MDA, PINP, and the serum aldosterone/plasma renin activity ratio in primary aldosteronism patients. Clinically, treating primary aldosteronism patients decreased MDA and PINP levels. CONCLUSION: We detected higher levels of MDA and PINP in primary aldosteronism patients, suggesting increased oxidative stress and myocardial fibrosis in these individuals. Treating primary aldosteronism patients reduced MDA and PINP levels, which may reflect the direct effect of aldosterone greater than endothelial oxidative stress and myocardial fibrosis, possibly mediated by a mineralocorticoid receptor.

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Crossref · 10.1097/hjh.0b013e32833d0177

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  • Primary aldosteronism is associated with left ventricular hypertrophy, diastolic dysfunction and heart failure, large artery stiffness, oxidative stress, widespread tissue inflammation and fibrosis, and increased resistance vessel remodeling compared with primary hypertension.

    “Primary aldosteronism is also associated with left ventricular hypertrophy, diastolic dysfunction and heart failure, large artery stiffness, oxidative stress, widespread tissue inflammation and fibrosis, and increased resistance vessel remodeling compared with primary hypertension.291–293”

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Authors
Stehr, C. B., Mellado, R., Ocaranza, M. P., Carvajal, C. A., Mosso, L., Becerra, E., Solis, M., García, L., Lavandero, S., Jalil, J., & Fardella, C. E.
Affiliations
  • Pontificia Universidad Católica de Chile (CL)
  • University of Chile (CL)
Corresponding author
Fardella, Carlos E
Venue
Journal of Hypertension
Published
2010-10
Volume
28
Issue
10
Pages
2120-2126
ISSN
0263-6352 (ISSN-L)
OpenAlex
W2023229626
Cited by
88
References
40
Citations by year
2026: 2 · 2025: 3 · 2024: 3 · 2023: 3 · 2022: 6 · 2021: 10 · 2020: 3 · 2019: 2 · 2018: 5 · 2017: 6 · 2016: 10 · 2015: 4 · 2014: 8 · 2013: 6 · 2012: 8
FWCI
5.55
Type
journal article
Language
en
Open access
Licence
other-oa
Locations
  • Journal of Hypertension (publishedVersion)
  • PubMed (publishedVersion)
  • Americanae (AECID Library) (submittedVersion, other-oa)
  • LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (submittedVersion, other-oa)
  • Universidad de Chile (submittedVersion, cc-by-nc-nd)
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 › Cardiac Fibrosis and Remodeling
Keywords
primary aldosteronism, essential hypertension, oxidative stress, subclinical inflammation, myocardial fibrosis, malondialdehyde, aldosterone, plasma renin activity, mineralocorticoid receptor, ACE inhibitors, xanthine oxidase, MMP-9, C-reactive protein
MeSH terms
Adult, Aldosterone, Blood Pressure, C-Reactive Protein, Female, Fibrosis, Humans, Hyperaldosteronism, Hypertension, Inflammation, Male, Malondialdehyde, Middle Aged, Cardiomyopathies, Peptide Fragments, Procollagen, Renin, Biomarkers, Case-Control Studies, Oxidative Stress

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