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Related Experiment Videos

Torasemide in advanced renal failure

J Kindler1

  • 1Department of Internal Medicine, Kreiskrankenhaus Marienhöhe, Würselen, Germany.

Cardiovascular Drugs and Therapy
|January 1, 1993
PubMed
Summary
This summary is machine-generated.

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Torasemide effectively increases fluid and sodium excretion in patients with advanced renal failure. It demonstrates comparable or superior natriuretic and antihypertensive effects compared to furosemide in hemodialysis patients.

Area of Science:

  • Nephrology
  • Pharmacology
  • Internal Medicine

Background:

  • Patients with advanced renal failure often require high-dose loop diuretics for fluid and sodium balance and hypertension management.
  • Torasemide, a loop diuretic, offers high bioavailability (90%) and a stable half-life (3-5 hours) in chronic renal failure.

Purpose of the Study:

  • To evaluate the efficacy and potency of torasemide compared to furosemide in patients with advanced renal failure, particularly those on maintenance hemodialysis.
  • To assess the dose-dependent effects of torasemide on fluid and electrolyte excretion and its impact on hypertension.

Main Methods:

  • Two controlled multicenter clinical trials compared high oral doses of torasemide and furosemide in end-stage renal disease patients undergoing hemodialysis.
  • Evaluated urinary volume, electrolyte excretions, natriuretic, antihypertensive, and neurological effects.

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Main Results:

  • High-dose oral torasemide (100-200 mg) significantly increased urinary volume and electrolyte excretions in a dose-dependent manner.
  • Torasemide (200 mg oral) showed similar natriuretic effects to furosemide (500 mg oral) but a more pronounced antihypertensive effect.
  • Diuretic potency ratio: torasemide:furosemide is 1:2.5 orally and 1:1 intravenously.
  • No negative influence on neurological status was observed for either drug at the tested doses.

Conclusions:

  • Torasemide is an effective high-dose loop diuretic for managing fluid and sodium balance and hypertension in advanced renal failure patients.
  • Torasemide presents a favorable potency and antihypertensive profile compared to furosemide in this patient population.
  • Further research is needed to confirm the limited calciuretic effect of torasemide in chronic kidney disease.