• Mayo Clinic proceedings · Oct 2022

    Echocardiography-Based Cardiac Structure Parameters for the Long-term Risk of End-Stage Kidney Disease in Black Individuals: The Atherosclerosis Risk in Communities Study.

    • Minghao Kou, Manabu Hishida, Lena Mathews, Dalane W Kitzman, Amil M Shah, Josef Coresh, Scott Solomon, Kunihiro Matsushita, and Junichi Ishigami.
    • Department of Epidemiology, Tulane University School of Public Health and Tropical Medicine, New Orleans, LA; Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD.
    • Mayo Clin. Proc. 2022 Oct 1; 97 (10): 179418071794-1807.

    ObjectiveTo assess whether echocardiographic parameters of left ventricular (LV) structure and function relate to the long-term risk of incident end-stage kidney disease (ESKD).Patients And MethodsWe conducted a prospective cohort study analyzing 2137 Black participants from the Jackson site of the Atherosclerosis Risk in Communities Study from January 1, 1993, through July 31, 2017. Echocardiographic parameters of LV structure and function were obtained from 1993 to 1995. The primary outcome incident ESKD was identified through the linkage to the United States Renal Data System. Cox proportional hazards models were used to estimate the hazard ratios (HRs) according to each echocardiographic parameter.ResultsThere were 117 incident ESKD cases during a median follow-up of 22.2 (interquartile range, 15.0-23.3) years. Multivariable Cox models revealed that a higher LV mass index was significantly associated with the risk of ESKD (HR, 2.38; 95% CI, 1.21 to 4.68 for highest vs lowest quartile, P = 0.012). The HRs were significant and even higher for LV posterior wall thickness, with slightly higher HRs when their measures in end-systole (HR for highest vs lowest quartile, 4.38; 95% CI, 1.94 to 9.92, P < 0.001) vs end-diastole (HR, 3.50; 95% CI, 1.53 to 8.01, P = 0.003) were used. The associations were not significant for LV function parameters.ConclusionIn Black individuals residing in the community, echocardiographic parameters of LV structure, including LV wall thickness, were robustly associated with the risk of subsequently incident ESKD. These results have potential implications for novel prevention and management strategies for persons with abnormal LV structure.Copyright © 2022 Mayo Foundation for Medical Education and Research. Published by Elsevier Inc. All rights reserved.

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