• Brian E Louie, Tom Noseworthy, David Hailey, Leah M Gramlich, Philip Jacobs, and Garth L Warnock.
• Department of Surgery, University of Alberta, Edmonton.
• Can J Surg. 2005 Aug 1; 48 (4): 298-306.

BackgroundThe optimal route of nutrition in severe pancreatitis is controversial. Parenteral nutrition (PN) is preferred, but enteral nutrition (EN) promises to attenuate inflammation and prevent sepsis. We hypothesized that EN was at least equivalent to PN in reducing inflammation, providing effective nutrition and being cost-effective.MethodsWe conducted a randomized controlled trial comparing PN to EN in pancreatitis in an academic, multi-institutional, tertiary care health system. We screened 728 consecutive patients. Twenty-eight patients with a Ranson's score greater than 2 who did not tolerate clear fluids 4 days after admission were randomized: 18 to PN and 10 to EN. Both groups were provided daily 105 kJ (25 kcal)/kg and 1.5 g/kg of protein, respectively, until they could tolerate a regular diet.ResultsC-reactive protein in EN patients was reduced by 50% 5 days faster than PN patients (Wilcoxon test, p = 0.09). Both groups received a similar number of kilojoules and achieved near normal prealbumin and 24-hour urinary nitrogen values. Neither regimen caused a change in cholecystokinin levels. Overall mortality was 4.9% (3 patients in the PN group). In 5 patients (4 PN, 1 EN) there were infected pancreatic collections. Nine EN patients dislodged the nasojejunal tube. EN had an average cost of dollar 1375 per patient compared with dollar 2608 for PN (p = 0.08). After sensitivity analysis, EN cost dollar 957 compared with dollar 2608 for PN (p = 0.03).ConclusionsEN or PN is safe and provides adequate nutrition in severe pancreatitis. EN shows a trend toward faster attenuation of inflammation, with fewer septic complications and is the dominant therapy in terms of cost-effectiveness. This study favours EN for nutritional support in severe pancreatitis.

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