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Nutritional therapy for progressive renal failure

M Walser1

  • 1Johns Hopkins University School of Medicine, Baltimore, Maryland.

Current Opinion in Nephrology and Hypertension
|May 1, 1994
PubMed
Summary
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Intensive insulin therapy for type 1 diabetes can reduce diabetic nephropathy. However, protein restriction offers no benefit for children with chronic kidney failure and may require ketoacid supplements to slow progression.

Area of Science:

  • Nephrology
  • Endocrinology
  • Pediatric Nephrology

Background:

  • Intensive insulin therapy in type 1 diabetes shows promise in reducing diabetic nephropathy.
  • The efficacy of protein restriction in pediatric chronic renal failure is uncertain.
  • Urea nitrogen and total nitrogen excretion patterns differ between pediatric and adult patients.

Purpose of the Study:

  • To evaluate the impact of intensive insulin treatment on diabetic nephropathy incidence.
  • To assess the effectiveness of modest protein restriction in children with chronic renal failure.
  • To investigate the role of ketoacids versus amino acids in slowing renal failure progression.
  • To examine the long-term effects of protein restriction on nutritional status in dialysis patients.

Main Methods:

Related Experiment Videos

  • Analysis of data from the Diabetes Control and Complications Trial.
  • Review of a multicenter trial on protein restriction in children.
  • Comparison of urea nitrogen and total nitrogen excretion in pediatric and adult populations.
  • A repeated crossover study comparing ketoacids and amino acid supplements for renal failure progression.

Main Results:

  • Intensive insulin treatment significantly reduces diabetic nephropathy in type 1 diabetes.
  • Modest protein restriction showed no benefit in children with chronic renal failure.
  • Ketoacids demonstrated a slower progression of renal failure compared to amino acid supplements.
  • Long-term protein restriction did not result in protein deficiency at dialysis onset.
  • Low-protein diets with essential amino acid supplements may correct hypoalbuminemia in nephrotic patients.

Conclusions:

  • Intensive insulin therapy is crucial for preventing diabetic nephropathy.
  • Protein restriction is not beneficial for pediatric chronic renal failure and may require ketoacid supplementation.
  • Nutritional management, including protein intake and supplementation, is vital for patients with kidney disease.