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Research Article

Long-term effects of aliskiren on blood pressure and the renin-angiotensin-aldosterone system in hypertensive hemodialysis patients



Abstract

ObjectiveThe long-term effects of aliskiren in hypertensive hemodialysis patients remain to be elucidated.DesignIn this post hoc analysis, we followed up 25 hypertensive hemodialysis patients who completed 8-week aliskiren treatment in a previous study for 20 months to investigate the blood pressure-lowering effect and inhibitory effect on the renin-angiotensin-aldosterone system.ResultsAmong the 25 patients, eleven patients continued with aliskiren treatment. Blood pressure (± standard deviation) decreased from 175 ± 18/80 ± 11 mmHg at baseline to 156 ± 20/76 ± 9 mmHg at month 20. Plasma renin activity, angiotensin I, and angiotensin II decreased from baseline to month 20 (plasma renin activity (ng/mL/h): 2.3 ± 2.6 to 0.3 ± 0.4 (P < 0.05), angiotensin I (pg/mL): 909.1 ± 902.5 to 41.5 ± 14.8 (P < 0.05), angiotensin II (pg/mL): 41.5 ± 45.8 to 11.0 ± 4.9 (P < 0.05)).ConclusionLong-term treatment with aliskiren provides effective blood pressure lowering and inhibition of the renin-angiotensin-aldosterone system, which are sustained over 20 months in hypertensive hemodialysis patients.


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