Related Experiment Video
Updated: Dec 26, 2025

A Mouse 5/6th Nephrectomy Model That Induces Experimental Uremic Cardiomyopathy
Published on: November 7, 2017
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.
Abstract:
In end-stage renal disease patients, the leading causes of mortality are of cardiovascular (CV) origin. The underlying mechanisms are complex, given that sudden heart failure is more common than acute myocardial infarction. A contributing role of oxidative stress is postulated, which is increased even at early stages of chronic kidney disease, is gradually augmented in parallel to progression to endstage renal disease and is further accelerated by renal replacement therapy. Oxidative stress ensues when there is an imbalance between reactive pro-oxidants and physiologically occurring electron donating antioxidant defence systems. During the last decade, a close association of oxidative stress with accelerated atherosclerosis and increased risk for CV and all-cause mortality has been established. Lipid peroxidation has been identified as a trigger for endothelial dysfunction, the first step towards atherogenesis. In order to counteract the deleterious effects of free radicals and thereby ameliorate, or delay, CV disease, exogenous administration of antioxidants has been proposed. Here, we attempt to summarize existing data from studies that test antioxidants for CV protection, such as vitamins E and C, statins, omega-3 fatty acids and N-acetylcysteine.
Related Concept Videos
Heart Failure VI: Adjunct Therapies
Heart Failure Drugs: Inhibitors of Renin-Angiotensin System
Chronic Kidney Disease III: Interprofessional Care
Heart Failure V: Medical Management
Heart Failure Drugs: Diuretics
Atherosclerosis III: Management

