• Marco Antonio Silva, Saionara da Graca Freitas dos Santos, Cristiane Damiani Tomasi, Gabrielle da Luz, Marcos Marques da Silva Paula, Felipe Dal Pizzol, and Cristiane Ritter.
• Laboratório de Fisiopatologia Experimental, Unidade Acadêmica de Ciências da Saúde, Universidade do Extremo Sul Catarinense, Criciúma/SC, Brazil.
• Clinics (Sao Paulo). 2013 Jan 1; 68 (2): 173-8.

ObjectiveTo determine the relationship between enteral nutrition discontinuation and outcome in general critically ill patients.Materials And MethodsAll patients admitted to a mixed intensive care unit in a tertiary care hospital from May-August 2009 were screened for an indication for enteral nutrition. Patients were followed up until leaving the intensive care unit or a maximum of 28 days. The gastrointestinal failure score was calculated daily by adding values of 0 if the enteral nutrition received was identical to the nutrition prescribed, 1 if the enteral nutrition received was at least 75% of that prescribed, 2 if the enteral nutrition received was between 50-75% of that prescribed, 3 if the enteral nutrition received was between 50-25% of that prescribed, and 4 if the enteral nutrition received was less than 25% of that prescribed.ResultsThe mean, worst, and categorical gastrointestinal failure scores were associated with lower survival in these patients. Age, categorical gastrointestinal failure score, type of admission, need for mechanical ventilation, sequential organ failure assessment, and Acute Physiologic and Chronic Health Evaluation II scores were selected for analysis with binary regression. In both models, the categorical gastrointestinal failure score was related to mortality.ConclusionThe determination of the difference between prescribed and received enteral nutrition seemed to be a useful prognostic marker and is feasible to be incorporated into a gastrointestinal failure score.

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