Abstract

The exact time of initiation of total enteral nutrition (TEN) in severe acute pancreatitis (SAP) and its influence on the disease outcome are not well known. An analysis of 197 cases with predicted SAP allocated to: group A (n = 97), early TEN (started within the first 48 hours after admission to hospital); and group B (n = 100), delayed TEN (started after 48 hours). Infection of necrosis/fluid collections occurred in 4 patients in group A and 18 patients in group B (P < 0.05). Respiratory failure and transfer to intensive care unit occurred more frequently in group B than in group A (15 vs 5 and 15 vs 3 patients; P < 0.05). Multiple-organ failure was observed in 9 patients in group A and 16 patients in group B (P > 0.05). Seven patients in group A and 11 patients in group B underwent surgery (P > 0.05). All 9 reported deaths occurred in group B (P < 0.05). The time to start TEN was a predictor of infected necrosis/fluid collection (odds ratio, 4.09; P = 0.028). Delayed compared to early TEN is associated with higher mortality, increased frequency of infected necrosis/fluid collections, respiratory failure, and a need for intensive care unit hospitalization. Enteral nutrition in SAP should be started within 48 hours after admission to hospital.

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