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Impact of intensive blood pressure control on kidney outcomes

Jia Xin Huang1, Vanessa-Giselle Peschard2,3, Elaine Ku4,5

  • 1Department of Pediatrics, Division of Critical Care, University of California San Francisco.

Current Opinion in Nephrology and Hypertension
|March 25, 2025
PubMed

Insights

Intensive blood pressure (BP) control offers cardiovascular benefits for patients with chronic kidney disease (CKD). However, its impact on kidney outcomes is mixed, with benefits seen in later stages (CKD 4-5) but not earlier stages (CKD 3).

Area of Science:

  • Nephrology
  • Cardiology
  • Clinical Trials

Background:

  • Hypertension is a key modifiable risk factor for cardiovascular events.
  • The role of intensive blood pressure (BP) control in slowing chronic kidney disease (CKD) progression remains under investigation.
  • Evidence from high-quality trials is crucial for guiding clinical practice.

Purpose of the Study:

  • To review current evidence on the effects of intensive BP control on kidney outcomes in patients with CKD.
  • To focus on trial-grade evidence to clarify the benefits and risks of intensive BP management.
  • To provide an update on the ongoing debate regarding BP targets in CKD patients.

Main Methods:

  • Analysis of recent large-scale clinical trials from China evaluating intensive BP control.
  • Individual-level meta-analyses of six trials comparing different BP control strategies in CKD patients.
  • Focus on trial-grade evidence to assess impact on kidney outcomes.

Main Results:

  • Three recent Chinese trials showed cardiovascular benefits with intensive BP control.
  • These trials reported mixed results regarding the risk of adverse kidney outcomes.
  • Meta-analyses indicated intensive BP control reduced kidney replacement therapy risk in CKD stages 4-5, but not in CKD stage 3.

Conclusions:

  • Current guidelines often recommend a systolic BP target of 120-130 mmHg for CKD patients due to cardiovascular benefits.
  • Intensive BP control strategies may pose potential risks to kidney health.
  • Further research is needed to optimize BP management for diverse CKD populations.
Abstract

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