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Nutrition and chronic kidney disease
Denis Fouque1, Solenne Pelletier, Denise Mafra
1Department of Nephrology, Hôpital Edouard Herriot, Lyon, France. denis.fouque@chu-lyon.fr
Kidney International
|May 13, 2011
Summary
Malnutrition in chronic kidney disease (CKD) remains prevalent despite advances. Nutritional interventions improve outcomes, even with inflammation, challenging some traditional dietary restrictions.
Area of Science:
- Nephrology
- Clinical Nutrition
- Metabolic Disorders
Background:
- Malnutrition disorders persist in chronic kidney disease (CKD) despite advancements in patient care and dialysis.
- Existing research on cost-effective malnutrition treatments has limitations for daily clinical application.
- Protein-energy wasting has a new nomenclature simplifying diagnosis and understanding of causes.
Purpose of the Study:
- To review current understanding of nutritional management in chronic kidney disease.
- To highlight recent challenges to established dietary recommendations for dialysis patients.
- To assess the impact of inflammation on nutritional interventions in CKD.
Main Methods:
- Literature review of recent studies on nutrition in chronic kidney disease.
- Analysis of data on protein and energy intake in maintenance dialysis patients.
- Evaluation of the role of inflammation in CKD nutritional status.
Main Results:
- Metabolic improvements are consistently observed with controlled protein intake, even in early CKD stages.
- Current evidence suggests no need for dietary restriction to control hyperphosphatemia during maintenance dialysis.
- Low physical activity in dialysis patients impacts energy requirements, and inflammation does not preclude positive nutritional response and improved survival.
Conclusions:
- Nutritional interventions remain crucial for improving outcomes in chronic kidney disease patients.
- Dietary recommendations for CKD patients, particularly those on dialysis, require ongoing re-evaluation.
- Inflammation should not deter nutritional support, as it can lead to significant survival benefits.
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