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  • Title: [Left ventricular myocardial structure and function in patients with primary aldosteronism].
    Author: Arabidze GG, Chikhladze NM, Sergakova LM, Iarovaia EB.
    Journal: Ter Arkh; 1999; 71(9):13-9. PubMed ID: 10553618.
    Abstract:
    AIM: To study severity of left ventricular hypertrophy (LVH) and left ventricular function in patients with primary aldosteronism (PA) in comparison with hyperaldosteronemia and preoperative arterial hypertension, to follow the dynamics of these parameters early and late after surgical removal of aldosteroma. MATERIALS AND METHODS: Concentration of aldosterone (AC), plasma renin activity (PRA) were measured in 28 PA patients aged 26-58 years before removal of aldosteroma and 1 month, 1 year and 2-5 years after the surgical treatment. Myocardial status was assessed by echocardiography, Doppler echocardiography. 30 healthy subjects aged 25-55 years served control. RESULTS: All the PA patients showed initial or moderate LVH. Index of left ventricular myocardial mass was influenced at the first regression step by primarily diastolic pressure, at the second step--by basal PRA. The diastolic function was affected. One month after unilateral adrenalectomy PRA level and arterial pressure decreased but regression of LVH was noted only 1 year and later after the surgery. Diastolic function improved 1 year after the operation but without normalization within 2-5-year follow-up. CONCLUSION: The lack of a complete normalization of diastolic function of the left ventricle late after the surgery despite regression of LVH and preoperative correlation of the isometric relaxation time with PRA level may be caused by fibrous changes in the myocardium and by hyperaldosteronemia effects.
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