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      Caloric Supplements for Patients on Low-Protein Diets?

      , ,

      Nephron

      S. Karger AG

      Caloric supplements, Malnutrition, Low-protein diets, Energy supply, Dietary counseling

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          Abstract

          Protein-calorie malnutrition (PCMN) in patients suffering from chronic renal failure treated with a low-protein diet (LDP) is generally considered to be the major adverse effect of such a diet. One cause of PCMN might be that these protein-restricted diets do not supply enough energy, although all of them are supposed to provide at least 35 kcal/kg body weight (BW). In order to test this hypothesis, we analyzed the hypothetical protein and energy intake of a patient on different LPDs. The food intake of such a patient was simulated by analyzing the average composition of 28 complete daily menus. The daily menus simulating 9 dietary schedules (0.3 g protein/kg BW; n = 6; 0.6 g protein/kg BW; n = 3) were taken from 5 different German cookery books. Our analysis revealed that only 2 schedules supplied enough energy. All others were deficient in energy by about 500 kcal/day. The deficiency occurred to the same extent in schedules for diets providing 0.3 and 0.6 g of protein/day. Therefore we conclude that PCMN in patients on LPDs is often due to an insufficient energy supply. The use of less protein-restricted diets does not necessarily prevent PCMN, as also these diets may be low in calories. Thus the use of caloric supplements, e.g. wine or polysaccharides, and correct dietary counseling by a skilled dietitian are recommended.

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          Author and article information

          Journal
          NEF
          Nephron
          10.1159/issn.1660-8151
          Nephron
          S. Karger AG
          1660-8151
          2235-3186
          1988
          1988
          09 December 2008
          : 50
          : 2
          : 129-132
          Affiliations
          Clinic of Nephrology, University of Heidelberg, Klinikum Mannheim, FRG
          Article
          185142 Nephron 1988;50:129–132
          10.1159/000185142
          3146704
          © 1988 S. Karger AG, Basel

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          Page count
          Pages: 4
          Categories
          Original Paper

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