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Nutrición Hospitalaria

On-line version ISSN 1699-5198Print version ISSN 0212-1611


LLOP TALAVERON, J. M. et al. Standard parenteral nutrition preparations in complex clinical situations. Nutr. Hosp. [online]. 2004, vol.19, n.4, pp.229-235. ISSN 1699-5198.

Goal: Binary and ternary parenteral nutrition preparations may be of limited use in certain cases. The goal of this study is to establish difficult nutritional situations to handle and analyze the type of formula used in these situations. Material and methods: The study included patients treated with parenteral nutrition over 9 months. Three clinically complex situations were defined: long duration, lasting more than 25 days; kidney failure, uraemia > 20 mmol/L or serum creatinine > 200 µmol/L; and live failure, total bilirubin > 30 mmol/L or ALT > µkat/L and alkaline phosphatase > 3 µkat/L or GGT > 3 µkat/L. Mortality and hypoalbuminaemia (< 35 g/L) were studied and compared by means of a chi squared test (p < 0.05) against the rest of the patients. The use of individualized formulas was studied using a multiple logarithmic regression model, the dependent variable being the administration or not of an individualized formula and the independent variables being the 3 groups of patients in clinical situations defined as complex. The Odds Ratio (OR) was studied as the measure of risk. Results: A total of 511 patients receiving 8,015 feeds with parenteral nutrition were studied. Of these, 283 were included in one or more of the 3 complex clinical situations. All three groups presented higher levels of mortality and hypoalbuminaemia with statistically significant differences when compared to the group in a non-complex clinical situation. The use of individualized formulas was greater in the three groups defined, with statistically significant differences resulting: OR=6.7 (CI 95%; 3.78-11.91) with long duration; OR=3.66 (CI 95%; 2.68-5.68) in kidney failure; and OR=1.5 (CI 95%;1.01-2.35) in liver failure. Conclusions: Patients in complex clinical situations present greater visceral malnutrition, a worse clinical evolution and, at our hospital, their nutritional treatment by parenteral means is based on a greater use of individualized formulas.

Keywords : Visceral malnutrition; Parenteral route; Individualized formulas.

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