• Am. J. Med. · Sep 2020

    Longer Predialysis ACEi/ARB Utilization Is Associated With Reduced Postdialysis Mortality.

    • Elvira O Gosmanova, Miklos Z Molnar, Adnan Naseer, Keiichi Sumida, Praveen Potukuchi, Abduzhappar Gaipov, Barry M Wall, Fridtjof Thomas, Elani Streja, Kamyar Kalantar-Zadeh, and Csaba P Kovesdy.
    • Nephrology Section, Stratton VA Medical Center, Albany, New York; Division of Nephrology, Department of Medicine, Albany Medical College, Albany, New York.
    • Am. J. Med. 2020 Sep 1; 133 (9): 1065-1073.e3.

    BackgroundAngiotensin-converting enzyme inhibitors and angiotensin receptor blockers (ACEi/ARB) improve predialysis outcomes; however, ACEi/ARB are underused in patients transitioning to dialysis. We examined the association of different patterns of predialysis ACEi/ARB use with postdialysis survival and whether potentially modifiable adverse events are associated with lower predialysis ACEi/ARB use.MethodsThis was a historic cohort study of 34,676 US veterans with, and 10,690 without, ACEi/ARB exposure in the 3-year predialysis period who subsequently transitioned to dialysis between 2007 and 2014. Associations of different patterns of predialysis ACEi/ARB use with postdialysis all-cause mortality and with predialysis acute kidney injury and hyperkalemia events were examined using multivariable adjusted regression analyses.ResultsThe mean age of the cohort was 70 years, 98% were males and 27% were African Americans. Compared to ACEi/ARB nonuse, continuous ACEi/ARB use was associated with lower postdialysis all-cause mortality (adjusted hazard ratio [aHR]; 95% confidence interval [95% CI] 0.87; 0.83-0.92). In analyses modeling the duration of predialysis ACEi/ARB use, ACEi/ARB use of 50%-74% and ≥75% were associated with lower mortality compared to nonuse (adjusted hazard ratio, 95% confidence interval 0.96, 0.92-0.99 and 0.91; 0.88-0.94, respectively), whereas no increase in postdialysis survival was observed with shorter predialysis ACEi/ARB use. Predialysis acute kidney injury was associated with shorter duration (<50%) of ACEi/ARB use and hyperkalemia was associated with interrupted and ACEi/ARB use of <75%.ConclusionsLonger predialysis ACEi/ARB exposure was associated with lower postdialysis mortality. Prospective studies are needed to evaluate the benefits of strategies enabling uninterrupted predialysis ACEi/ARB use.Published by Elsevier Inc.

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