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Use of Thiazides to Treat Hypertension and Advanced CKD

Gargi Sharma Priamvada1, Divya Sharma Divyadarshini2, Raven Voora3

  • 1Division of Nephrology and Hypertension, University of North Carolina, Chapel Hill, NC, USA.

Current Cardiology Reports
|October 27, 2022
PubMed

Insights

Thiazide diuretics, like chlorthalidone, effectively lower blood pressure in advanced chronic kidney disease (CKD). Recent data challenge previous beliefs about their inefficacy, but careful patient monitoring is essential.

Area of Science:

  • Nephrology
  • Cardiology
  • Pharmacology

Background:

  • Hypertension management in chronic kidney disease (CKD) is challenging, with many patients experiencing suboptimal blood pressure control.
  • The use of thiazide diuretics in advanced CKD has been historically limited due to concerns about their reduced efficacy at lower glomerular filtration rates (GFR).

Purpose of the Study:

  • To review recent evidence on the efficacy and safety of thiazide diuretics in patients with CKD.
  • To discuss the mechanisms by which thiazides exert their blood pressure-lowering effects in this population.
  • To address the current indications for thiazide use in advanced CKD.

Main Methods:

  • Review of recent clinical trials and observational studies.
  • Analysis of pharmacological mechanisms of thiazide action.
  • Synthesis of current guidelines and expert opinions.

Main Results:

  • Recent clinical trial data demonstrate that thiazide diuretics, such as chlorthalidone, are effective in reducing blood pressure in patients with advanced CKD.
  • These findings challenge the long-held belief that thiazides lose their efficacy at lower GFR levels.
  • Electrolyte and kidney function monitoring are crucial for ensuring patient safety when using thiazides in CKD.

Conclusions:

  • Thiazide diuretics can be safely and effectively used for blood pressure management in patients with advanced CKD.
  • Further research may refine optimal dosing and monitoring strategies for thiazides in this patient group.
  • Clinicians should consider thiazides as a viable option for hypertension control in CKD, with appropriate precautions.
Abstract

Keywords:
ChlorthalidoneChronic kidney diseaseHypertensionManagementThiazide diuretics

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