Energy and Mineral Utilization from a Peptide‐Based Elemental Diet and a Polymeric Enteral Diet Given to Ileostomists in the Early Postoperative Course

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Abstract
Small intestinal absorption was studied in 12 patients receiving enteral nutrition in the immediate postoperative period after colorectal surgery including construction of an ileostomy. Seven patients were given a peptide-based, low osmolality elementary diet and five patients were given a polymeric diet. Comparisons between the intake and ileal excretion showed on both diets a high utilization of energy, fat, and nitrogen as well as of calcium, phosphorus, magnesium, zinc, and iron. From a nutritional point of view a polymeric diet could thus replace an elementary diet in the immediate postoperative course. (Journal of Parenteral and Enteral Nutrition 8:497-500, 1984).