Inflammation in end-stage renal disease: sources, consequences, and therapy
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Peter Stenvinkel1, Anders Alvestrand
1Department of Renal Medicine K56, Huddinge University Hospital, Karolinska Institutet, Stockholm, Sweden. peter.stenvinkel@klinvet.ki.se
Insights
Chronic inflammation is a key driver of cardiovascular disease (CVD) and malnutrition in end-stage renal disease (ESRD). Targeting this inflammation may improve survival for dialysis patients.
Area of Science:
- Nephrology
- Cardiology
- Immunology
- Nutritional Science
Background:
- Cardiovascular disease (CVD) is the primary cause of death in end-stage renal disease (ESRD) patients.
- Traditional risk factors do not fully explain the high CVD prevalence in ESRD.
- Chronic inflammation, a common nontraditional risk factor in ESRD, is implicated in CVD and malnutrition.
Purpose of the Study:
- To investigate the role of chronic inflammation in the pathogenesis of CVD and malnutrition in ESRD.
- To explore the potential benefits of suppressing the malnutrition-inflammation-atherosclerosis (MIA) syndrome.
- To highlight the need for studying anti-inflammatory treatments for ESRD patients.
Main Methods:
- Review of recent evidence linking chronic inflammation, malnutrition, and CVD in ESRD.
- Analysis of the role of proinflammatory cytokines in ESRD pathogenesis.
- Examination of associations between inflammation, oxidative stress, and endothelial dysfunction.
Main Results:
- Chronic inflammation contributes to malnutrition and progressive atherosclerotic CVD in ESRD through various mechanisms.
- Proinflammatory cytokines are central to the development of malnutrition and CVD in ESRD.
- Inflammation is strongly associated with increased oxidative stress and endothelial dysfunction in ESRD.
Conclusions:
- Suppression of the MIA syndrome may improve survival in dialysis patients.
- Further research into anti-inflammatory treatment strategies is crucial for improving cardiovascular and nutritional status in ESRD.
- Understanding the multifactorial causes of inflammation in ESRD is essential for effective management.
Abstract:
Cardiovascular disease (CVD) remains the main cause of morbidity and mortality in patients with end-stage renal disease (ESRD). Although traditional risk factors are common in ESRD patients, they alone may not be sufficient to account for the high prevalence of CVD in this condition. Recent evidence demonstrates that chronic inflammation, a nontraditional risk factor which is commonly observed in ESRD patients, may cause malnutrition and progressive atherosclerotic CVD by several pathogenetic mechanisms. The causes of inflammation in ESRD are multifactorial and, while it may reflect underlying CVD, an acute-phase reaction may also be a direct cause of vascular injury by several pathogenetic mechanisms. Available data suggest that proinflammatory cytokines play a central role in the genesis of both malnutrition and CVD in ESRD. Thus it could be speculated that suppression of the vicious cycle of malnutrition, inflammation, and atherosclerosis (MIA syndrome) would improve survival in dialysis patients. Recent evidence has demonstrated strong associations between inflammation and both increased oxidative stress and endothelial dysfunction in ESRD patients. As there is not yet any recognized, or even proposed, treatment for ESRD patients with chronic inflammation, it would be of obvious interest to study the long-term effect of various anti-inflammatory treatment strategies on the nutritional and cardiovascular status as well as outcome in these patients.
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