Objectives: Different conditions require that critically ill patients to receive lower than prescribed enteral nutrition volumes, energy and protein. This study objective was to evaluate the prescribed versus administered enteral nutrition difference in adults admitted to an intensive care unit.
Methods: In 2009, patients were followed for 30 days from the start of enteral nutrition to its discontinuation, or discharge from the intensive care unit. Parametric and nonparametric tests were used to evaluate prescribed versus administered differences.
Results: Eighty five patients were enrolled; mean age was 58.6±18.0 years and 40% were male. The patients remained in hospital for 29.5 days (IQ: 15.2 - 48.7) and were under enteral nutrition for 10 (IQ: 4.2 - 27.5) days. Lower than enteral nutrition prescribed volume (-428±243ml/day), energy (-665±412 Kcal/day) and protein (-30±19 g protein/day) was received. Individual patients' evaluation demonstrated that about 40% of the prescribed volume was not actually given. The main reasons for enteral nutrition interruptions were nausea and vomiting, abdominal distension, constipation and clinical complications (52%); diagnostic procedures (41.6%); and transition to oral feeding (5.6%).
Conclusion: Patients admitted to intensive care unit receive less than the prescribed enteral nutrition. The routine care and gastrointestinal tract complications lead to enteral nutrition interruptions, contributing to less than prescribed calories administration.
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