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The paradoxical effect of aldosterone on cardiovascular outcome in maintenance hemodialysis patients

Kidney research and clinical practice, 2022-02, Vol.41 (1), p.77-88 [Peer Reviewed Journal]

COPYRIGHT(C) KYOBO BOOK CENTRE ALL RIGHTS RESERVED ;ISSN: 2211-9132

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  • Title:
    The paradoxical effect of aldosterone on cardiovascular outcome in maintenance hemodialysis patients
  • Author: Sun Ryoung Choi ; Young-ki Lee ; Hayne Cho Park ; Do Hyoung Kim ; Ajin Cho ; Juhee Kim ; Kyu Sang Yun ; Jung-woo Noh ; Min-kyung Kang
  • Subjects: Aldosterone ; Cardiovascular disease ; Hemodialysis
  • Is Part Of: Kidney research and clinical practice, 2022-02, Vol.41 (1), p.77-88
  • Description: Background: Patients with end-stage kidney disease face increased risk of cardiovascular events, and left ventricular diastolic dysfunction (LVDD) contributes to the high occurrence of cardiovascular mortality (CM). Although a high serum aldosterone (sALD) level is involved in the development of cardiovascular complications in the general population, this association is unclear in patients undergoing hemodialysis. We aimed to determine the impact of sALD on LVDD and CM among hemodialysis patients (HDPs). Methods: We performed a prospective cohort study of maintenance HDPs without cardiovascular disease. The patients were divided into two groups according to the median level of sALD. All patients underwent baseline echocardiography to evaluate diastolic dysfunction (E/e’ ratio > 15). The LVDD and CM rates were compared between the high and low aldosterone groups. Results: We enrolled a total of 60 adult patients (mean age, 57.9 ± 12.1 years; males, 30.0%). The low aldosterone group had an increased left ventricular diastolic dimension compared with the high aldosterone group (52.2 ± 8.4 mm vs. 50.3 ± 5.2 mm, respectively; p = 0.03). Low log-aldosterone (odds ratio [OR], 0.40; 95% confidence interval [CI], 0.19-0.86) and large left atrial dimension (OR, 1.31; 95% CI, 1.11-1.54) were independent risk factors for LVDD at baseline. In addition, Cox regression analysis demonstrated that low sALD was an independent predictor of CM in HDPs (hazard ratio, 0.46; 95% CI, 0.25-0.85; p = 0.01) during follow-up. Conclusion: Low sALD was not only associated with LVDD but was also an independent predictor of CM among HDPs regardless of their interdialytic weight gain.
  • Publisher: 대한신장학회
  • Language: Korean
  • Identifier: ISSN: 2211-9132
  • Source: PubMed Central
    DOAJ Directory of Open Access Journals
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