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KMID : 1128320210190020019
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Electrolytes & Blood Pressure
2021 Volume.19 No. 2 p.19 ~ p.28
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Hypertension Management in Patients with Chronic Kidney Disease in the Post-SPRINT Era
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Jung Hae-Hyuk
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Abstract
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The management of high blood pressure (BP) is crucial for improving outcomes in patients with chronic kidney disease (CKD). The updated Kidney Disease: Improving Global Outcomes 2021 BP guideline proposes treating adults with CKD to a target systolic BP (SBP) of <120 mmHg based on the standardized office BP measurement. This suggestion is largely based on the finding of SPRINT (Systolic Blood Pressure Intervention Trial) that targeting an SBP of <120 mmHg versus <140 mmHg is beneficial for cardiovascular and mortality outcomes, regardless of the patient’s kidney disease status. However, extended follow-up studies of CKD trials showed that intensive versus usual BP control was associated with a lower risk of kidney failure in patients with, but not in those without, proteinuria. Similarly, a recent population-based study in Korea demonstrated that the optimal on-treatment BP for composite cardiorenal and mortality outcomes was left-shifted in adults with CKD, particularly in those with albuminuria, relative to that in patients without CKD. Moreover, in meta-analyses of randomized trials, more intensive versus standard BP control was associated with a lower risk of all-cause mortality in patients with CKD and albuminuria but not in those without CKD. Meanwhile, a 2020 Cochrane review reported that lower BP targets (≤135/85 mmHg), compared with standard targets (≤140/90 mmHg), resulted in a small reduction in cardiovascular events, an increase in other serious adverse events, and no reduction in total serious adverse events. Lowering SBP to <120 mmHg can potentially increase the risk of treatment-related adverse events beyond the cardioprotective benefits, and standardized BP measurement increases the burden on patients and resources. Thus, targeting a BP of <130/80 mmHg with appropriate office BP measurement can be an option in patients with CKD. The presence of albuminuria would need to be additionally considered to determine individualized BP targets.
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KEYWORD
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Antihypertensive agents, Blood pressure, Chronic kidney disease, Practice guideline
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