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[Thiazide diuretics in the treatment of hypertensive patients]

Knud Rasmussen1

  • 1Medicinsk Afdeling, Roskilde Sygehus, Køgevej 7-13, 4000 Roskilde. kra@regionsjaelland.dk.

Ugeskrift for Laeger
|May 14, 2015
PubMed

Insights

Thiazide diuretics, like hydrochlorothiazide, effectively lower blood pressure in hypertensive patients. Higher doses demonstrate a greater blood pressure reduction compared to placebo.

Area of Science:

  • Cardiology
  • Pharmacology

Background:

  • Hypertension is a major risk factor for cardiovascular disease.
  • Diuretics are a common class of antihypertensive medications.

Purpose of the Study:

  • To evaluate the dose-response relationship of thiazide diuretics on blood pressure reduction.
  • To compare the efficacy of thiazide diuretics against placebo in hypertensive patients.

Main Methods:

  • Systematic review and meta-analysis of randomized controlled trials.
  • Inclusion of studies comparing thiazide diuretics with placebo in adult hypertensive patients.

Main Results:

  • Hydrochlorothiazide demonstrated a dose-dependent reduction in blood pressure.
  • Doses of 6.25, 12.5, 25, and 50 mg/day resulted in mean reductions of 4/2, 6/3, 8/3, and 11/5 mmHg, respectively.
  • These reductions exceeded those observed with other antihypertensive classes like ACE inhibitors and ARBs.

Conclusions:

  • Thiazide diuretics provide a significant and dose-related blood pressure lowering effect.
  • Hydrochlorothiazide is an effective treatment for hypertension, with greater efficacy at higher doses.

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