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Energy intake in the first week in an emergency intensive care unit may not influence clinical outcomes in critically ill, overweight Japanese patients.
BACKGROUND AND OBJECTIVES: The American Society for Parenteral and Enteral Nutrition recommends hypocaloric feeding for critically ill patients with a BMI of >=30.0 kg/m2. However, the cut-off value of obesity in Japan is BMI >25.0 kg/m2, due to the higher prevalence of type 2 diabetes mellitus, and cardiovascular risk factors, even at a lower BMI than in Western populations. Thus, the optimal energy intake for critically ill, overweight Asian patients is unknown.
METHODS AND STUDY DESIGN: A retrospective chart review was conducted in patients with BMI of >=25.0 kg/m2 in an emergency intensive care unit (EICU). Patients were categorized into two groups by average daily energy intake during the first week in the EICU, with Group A at <50% of requirement and Group B at >=50%.
RESULTS: A total of 72 patients with a median BMI of 27.5 kg/m2 were included in the study. No significant differences between the groups were observed for all-cause mortality, ICU-free days, or length of hospital stay. The number of ventilator-free days (VFDs) was significantly higher in Group A than Group B (20.0 [15.5-24.5] vs 17.0 [2.0-21.0] days; p=0.042). On multiple adjusted analysis, however, we found that %energy intake/requirement was not independently associated with VFDs (regression coefficient=0.019; 95% confidence interval, -0.115-0.076).
CONCLUSIONS: Energy intake in the first week in the EICU did not influence clinical outcomes in critically ill, overweight Japanese patients. Confirmation of these results in larger, randomized trials is required.
METHODS AND STUDY DESIGN: A retrospective chart review was conducted in patients with BMI of >=25.0 kg/m2 in an emergency intensive care unit (EICU). Patients were categorized into two groups by average daily energy intake during the first week in the EICU, with Group A at <50% of requirement and Group B at >=50%.
RESULTS: A total of 72 patients with a median BMI of 27.5 kg/m2 were included in the study. No significant differences between the groups were observed for all-cause mortality, ICU-free days, or length of hospital stay. The number of ventilator-free days (VFDs) was significantly higher in Group A than Group B (20.0 [15.5-24.5] vs 17.0 [2.0-21.0] days; p=0.042). On multiple adjusted analysis, however, we found that %energy intake/requirement was not independently associated with VFDs (regression coefficient=0.019; 95% confidence interval, -0.115-0.076).
CONCLUSIONS: Energy intake in the first week in the EICU did not influence clinical outcomes in critically ill, overweight Japanese patients. Confirmation of these results in larger, randomized trials is required.
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