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Clinical Trial Summary

Animal models have demonstrated the role of aldosterone in left ventricular remodeling involving fibrosis, apoptosis and hypertrophy. Myocardial fibrosis is a risk factor for serious arrhythmia and sudden death in ischemic and idiopathic hypertrophic heart disease. It is accepted that patients with primary aldosteronism have a higher prevalence of LV hypertrophy , arterial involvement and increased cardiovascular risk. In humans, a link has been demonstrated between aldosterone and heart failure as well as the benefit of the administration of an anti -aldosterone drug to lower mortality in this population , regardless of blood pressure level . The administration of spironolactone ( aldosterone ) in hypertensive rats has prevented the occurrence of aortic fibrosis . Plasma aldosteronism in humans has been associated with inflammation, fibrosis and aortic stiffness . However, primary aldosteronism is generally associated with so-called secondary hypertension . Chronic hypertension alone is a recognized etiological factor of myocardial hypertrophy ( myocardial fibrosis very advanced ) . The purpose of this study is to investigate the effects of MRI hyperaldosteronism on the heart.


Clinical Trial Description

Cross-sectional study with double analysis (A and B) with 2 x 2 sub-groups (ratio control/case 1/1)

- clinical situation: subjects are hypertensive. 20 subjects with primary aldosteronism will be compared to 20 patients with essential arterial hypertension

- clinical situation are normotensive subjects, 20 subjects with secondary aldosteronism loss in congenital salt (Bartter's syndrome / Gitelman) will be compared to 20 healthy volunteers. Controls (essential hypertension and healthy volunteers) are matched for age, sex and body size in two experimental groups (HAP and Gitelman). All subjects were recruited by the CIC of the European Georges Pompidou Hospital (Paris). ;


Study Design

Observational Model: Case Control, Time Perspective: Cross-Sectional


Related Conditions & MeSH terms


NCT number NCT02938910
Study type Observational
Source Assistance Publique - Hôpitaux de Paris
Contact
Status Completed
Phase N/A
Start date November 2012
Completion date October 2014

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