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Renal and cardiovascular effects of irbesartan in dialysis patients--a randomized controlled trial protocol (SAFIR

Christian Daugaard Peters1, Krista Dybtved Kjærgaard, Bente Jespersen

  • 1Department of Renal Medicine, Aarhus University Hospital, Aarhus N, Denmark. cdp@ana.au.dk

Danish Medical Journal
|May 9, 2013
PubMed

Insights

Angiotensin II receptor blockers (ARBs) may improve cardiovascular outcomes in hemodialysis patients by preserving residual renal function and reducing cardiac and vascular strain. Further research is needed to confirm benefits in this high-risk population.

Area of Science:

  • Nephrology
  • Cardiology
  • Clinical Trials

Background:

  • Cardiovascular events are a leading cause of death in hemodialysis patients, often linked to uncontrolled hypertension, arterial stiffness, and left ventricular hypertrophy.
  • Volume overload is a significant factor, and strategies preserving residual renal function and reducing cardiovascular risk factors are crucial for improving survival.

Purpose of the Study:

  • To investigate the effect of angiotensin II receptor blocker (ARB) treatment on cardiovascular outcomes in hemodialysis patients.
  • To assess ARB's impact on residual renal function, left ventricular hypertrophy, arterial stiffness, and intra-dialytic hemodynamics.

Main Methods:

  • A randomized, controlled, double-blinded study involving 82 hemodialysis patients over one year.
  • Patients received either an ARB (irbesartan) or a placebo.
  • Inclusion criteria included urine output > 300 ml/day, dialysis vintage < 1 year, and LV ejection fraction > 30%.

Main Results:

  • Primary outcomes measured were changes in residual renal function, left ventricular hypertrophy, arterial stiffness, and intra-dialytic hemodynamics.
  • Data on specific results are pending completion of the study.

Conclusions:

  • ARB treatment holds potential for improving residual renal function and intermediate cardiovascular endpoints in new hemodialysis patients.
  • If proven effective, ARB therapy could enhance survival rates in this high-risk population.
Abstract

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