Determination of optimal protein contents for a protein restriction diet in type 2 diabetic patients with microalbuminuria

The Tohoku Journal of Experimental Medicine
T NaritaS Ito

Abstract

To establish the method by which the optimal dietary protein content for type 2 diabetic patients with nephropathy could be determined, dietary protein content was reduced in gradated steps and renal function was evaluated at the completion of each diet. Eight type 2 diabetic patients with microalbuminuria were examined in this study. Renal function, urinary albumin excretion rate (AER) and urinary excretion rates of prostaglandins were evaluated at the completion of each of three consecutive one-week dietary periods where the protein content was 1.2, 0.8 and 0.6 g x kg Body Weight (BW)(-1) x day(-1) on the first, second and third week, respectively. Filtration fraction (FF), AER and urinary excretion rates of prostaglandin E2 and 6-keto-prostaglandin F1alpha significantly decreased in response to reduced dietary protein content from 1.2 to 0.8 g x kg BW(-1) x day(-1). No additional decreases in FF, AER and urinary excretion rates of these two prostaglandins were obtained after the 0.6 g x kg BW(-1) x day(-1) low protein diet period. The method evaluating renal hemodynamics at the completion of several consecutive one-week dietary periods was confirmed to be useful to determine the optimal protein contents in type 2 diabetic pa...Continue Reading

References

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