[Value of dietetics and general nutritional guidelines in the metaphylaxis of urinary calculi]

After a short historical survey the interest of our Socialist state in an optimum nutrition and nutritional education of the citizens is described. The importance of prophylaxis, therapy and metaphylaxis of urolithiasis is proved by the increasing morbidity rate of this disease (1-3%). Out of the series of vitamins above all the vitamin B6 is of importance in the oxalate lithiasis so that a diet rich in vitamin B6 is indicated. Of the quantity elements contained in nutrition calcium, phosphorus and magnesium are significant, wherefore the enteral supply of these elements is to be taken into consideration in the various kinds of urinary calculi. Furthermore, in carriers of calcium oxalate calculi nutrients rich in oxalic acid and in carriers of urinary calculi and in hyperuricaemia, respectively, nutrients rich in purine should be restricted. Adequate tables concerning the vitamin B6, Ca, P, Mg, oxalic acid and purine content of the nutrients are given. The increasing importance of the adiposity of carriers of uroliths is represented with the help of indices of our own urolith dispensary. Finally short references to diet for the 4 most important kinds of uroliths are proposed.