Could Antioxidant Supplementation Delay Progression of Cardiovascular Disease in End-Stage Renal Disease Patients?

Stefanos Roumeliotis1, Athanasios Roumeliotis1, Xenia Gorny2

  • 1Division of Nephrology and Hypertension, 1st Department of Internal Medicine, AHEPA Hospital, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece.

Insights

Cardiovascular disease is a major cause of death in end-stage renal disease patients, linked to oxidative stress. This review examines antioxidants like vitamins E, C, and N-acetylcysteine for cardiovascular protection.

Area of Science:

  • Nephrology
  • Cardiology
  • Oxidative Stress Research

Background:

  • Cardiovascular disease (CV) is the primary cause of mortality in end-stage renal disease (ESRD) patients.
  • Oxidative stress, an imbalance between pro-oxidants and antioxidants, increases with chronic kidney disease progression and renal replacement therapy.
  • Oxidative stress is linked to accelerated atherosclerosis, endothelial dysfunction, and increased CV mortality.

Purpose of the Study:

  • To review existing data on antioxidant therapies for cardiovascular protection in ESRD patients.
  • To explore the role of oxidative stress in the pathogenesis of cardiovascular complications in chronic kidney disease.

Main Methods:

  • Literature review of studies investigating antioxidant administration for CV protection.
  • Analysis of data on antioxidants such as vitamins E and C, statins, omega-3 fatty acids, and N-acetylcysteine.

Main Results:

  • Oxidative stress and lipid peroxidation are implicated in endothelial dysfunction and atherogenesis in ESRD.
  • Antioxidants are proposed to counteract free radical damage and ameliorate cardiovascular disease.
  • Data from studies testing specific antioxidants for CV protection are summarized.

Conclusions:

  • Oxidative stress plays a significant role in cardiovascular mortality in ESRD.
  • Further research into antioxidant therapies may offer strategies to mitigate cardiovascular risk in these patients.

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