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A special, supplemented 'vegan' diet for nephrotic patients
G Barsotti1, E Morelli, A Cupisti
1Istituto di Clinica Medica 1, Università di Pisa, Italy.
American Journal of Nephrology
|January 1, 1991
Summary
A supplemented vegan diet (SVD) effectively reduced proteinuria and improved cholesterol in nephrotic patients. This low-protein approach offers benefits without causing malnutrition, challenging previous high-protein recommendations.
Area of Science:
- Nephrology
- Nutritional Science
- Dietary Interventions
Background:
- High dietary protein was previously recommended for nephrotic syndrome but may worsen kidney damage.
- Low-protein diets show promise in preserving renal function in experimental models.
Purpose of the Study:
- To evaluate the efficacy of a supplemented vegan diet (SVD) in nephrotic patients.
- To assess the impact of SVD on proteinuria, renal function, and lipid profiles.
Main Methods:
- Twenty steroid-resistant nephrotic patients received SVD (low-protein, vegetarian, supplemented with essential amino acids and ketoanalogues) for 4.6 months.
- Patients' baseline diet was an unrestricted protein, low-sodium diet (LSD).
- Cross-over design in 7 patients confirmed diet effects on proteinuria.
Main Results:
- SVD significantly decreased proteinuria, urea nitrogen excretion, and creatinine clearance.
- Serum total cholesterol was also reduced by SVD.
- No significant changes were observed in serum albumin, HDL cholesterol, triglycerides, or anthropometric measurements.
Conclusions:
- A supplemented vegan diet (SVD) favorably impacts proteinuria and hypercholesterolemia in nephrotic patients.
- SVD appears safe, without inducing malnutrition.
- This dietary approach may be a beneficial alternative for managing nephrotic syndrome.