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Reduction in Diarrhea Incidence by Soluble Fiber in Patients Receiving Total or Supplemental Enteral Nutrition

Department of Surgery, Ruhr University, Bochum, Germany

M. Kemen, MD

Department of Surgery, Ruhr University, Bochum, Germany

C. Fuessenich, MD

Department of Surgery, Ruhr University, Bochum, Germany

M. Senkal, MD

Department of Surgery, Ruhr University, Bochum, Germany

V. Zumtobel, MD

Department of Surgery, Ruhr University, Bochum, Germany

Background: Gastrointestinal side effects, particularly diarrhea, are still the main reasons for discontinuation of enteral nutrition. Although the causes of diarrhea are diverse, the enteral nutrition solution is frequently suspected of playing a leading role in causing diarrhea. Methods: Our randomized, prospective, double-blind trial with 100 patients assessed the effects of feeding a standard diet (Nutrodrip Standard) vs the same diet supplemented with 20 g of soluble fiber, containing partially hydrolyzed guar gum (Sunfiber), per 1000 mL. Thirty patients received total enteral nutrition postoperatively, and 70 patients received enteral supplementation. Results: The patients receiving total enteral nutrition with soluble fiber had decreased diarrhea but increased flatulence. In none of these patients did enteral feeding have to be discontinued because of gastrointestinal side effects, whereas in four patients who were on a standard diet, enteral feeding had to be interrupted because of diarrhea (p < .05). Similar observations were made in patients receiving enteral supplementation. In both groups, the incidence of diarrhea decreased significantly with the soluble fiber diet compared with the standard diet (6 vs 15, p < .05). Conclusions: Enteral feeding with a formula supplemented with partially hydrolyzed guar gum reduces the incidence of diarrhea in patients receiving total enteral nutrition as well as in those receiving enteral supplementation, regardless of the cause of diarrhea. The increased hydrogen production and the significantly higher rate of flatulence are likely to result from fermentation of the soluble fiber in the colon, with concomitant production of short-chain fatty acids, which leads to increased absorption of short-chain fatty acids, sodium, and water by the colonocytes. This effect, together with the observed cholecystokinin-mediated decrease in colonic transit time with partially hydrolyzed guar gum, may explain the reduction in the incidence of diarrhea in this study. (Journal of Parenteral and Enteral Nutrition 18:486-490, 1994)

Journal of Parenteral and Enteral Nutrition, Vol. 18, No. 6, 486-490 (1994)
DOI: 10.1177/0148607194018006486


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