Lack of glucose elevation after simulated tube feeding with a low-carbohydrate, high-fat enteral formula in patients with type I diabetes

The American Journal of Medicine
A L PetersR M Isaac

Abstract

Commercially available enteral formulas frequently cause hyperglycemia. This often leads to difficult and complex diabetes management with glucosuria and urinary losses of calories, fluid, and electrolytes. In this study, we compared a new product, EN-8715 (8% soluble fiber, 18% Polycose, 7% fructose, 50% fat, 17% protein), with a standard feeding product, Ensure HN (53% simple carbohydrates, 30% fat, 17% protein), to determine whether the new product would lower the glucose response. Ten subjects (four women and six men) with type I diabetes were evaluated in paired, simulated tube feeding studies. After an overnight fast, a Biostator (artificial endocrine pancreas) was attached to each subject, and a steady-state blood glucose level of 150 mg/dL (8.4 mM) was established. The Biostator was then programmed to deliver a small basal amount of insulin (0.1 mU/kg/minute [718 pmol/kg/minute]), and the patients were given 20 mL of the randomly assigned formula every 15 minutes for 240 minutes (320 mL). Counterregulatory hormone responses to bringing the initial glucose response to the two enteral feeding formulas were measured and compared. The glucose response (mg/dL/four hours +/- SEM) essentially did not rise after EN-8715 (-2 +/-...Continue Reading

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