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  • Title: Left Ventricular Dysfunction in Patients With Primary Aldosteronism: A Propensity Score-Matching Follow-Up Study With Tissue Doppler Imaging.
    Author: Chang YY, Liao CW, Tsai CH, Chen CW, Pan CT, Chen ZW, Chen YL, Lin LC, Chang YR, Wu VC, Wu KD, Hung CS, Lin YH, TAIPAI Study Group* †, TAIPAI Study Group*<xref ref-type="author-note" rid="jah34587-note-0001"><sup>†</sup></xref>.
    Journal: J Am Heart Assoc; 2019 Nov 19; 8(22):e013263. PubMed ID: 31718437.
    Abstract:
    Background Primary aldosteronism is the most common cause of secondary hypertension and is associated with left ventricular hypertrophy. However, whether aldosterone excess is responsible for left ventricular (LV) diastolic dysfunction is unknown. Methods and Results We prospectively enrolled 129 patients with aldosterone-producing adenoma and 120 patients with essential hypertension, and analyzed their clinical, biochemical, and echocardiographic data, including tissue Doppler images. The patients with aldosterone-producing adenoma were reevaluated 1 year after adrenalectomy. After propensity score matching, there were 105 patients in each group. The patients with aldosterone-producing adenoma had worse diastolic function than the patients with essential hypertension, as reflected by lower e' (P<0.001) and higher E/e' (P=0.003). Multivariate analysis showed that LV diastolic function was significantly correlated with age (P<0.001), sex (P<0.001), body mass index (P=0.002), systolic blood pressure (P=0.004), creatinine (P=0.008), and log-transformed aldosterone-renin ratio (P=0.003). After adrenalectomy, the patients with aldosterone-producing adenoma had significant improvements in LV diastolic function as reflected by an increase in e' (P=0.003) and decrease in E/e' (P=0.002). The change in E/e' was independently correlated with baseline E/e' (P<0.001) and change in LV mass index (P=0.006). Conclusions The patients with primary aldosteronism had worse LV diastolic function than the patients with essential hypertension after propensity score matching, and this could be reversed after adrenalectomy, suggesting that aldosterone excess may induce LV diastolic dysfunction.
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