Critically ill patients with body mass index (BMI) inferior to 20 kg/m2 have worse outcomes compared to normal and overweight patients. The impact nutrition therapy in this population is not yet stablished. There is a concern that too low caloric intake might worse their malnutrition; on the other hand, overfeeding is always a risk with serious consequences. The hypothesis of this study is that nutritional support, especially caloric and protein intake, can influence the outcome of underweight critically ill patients.
Study Type
OBSERVATIONAL
Enrollment
450
HCPA, Hospital de Clinicas de Porto Alegre
Porto Alegre, Rio Grande do Sul, Brazil
RECRUITINGMortality
All patients will be followed until live hospital discharge or death
Time frame: through study completion (up to a year)
ICU length of stay
patients will be followed until ICU discharge or death
Time frame: through study completion (up to a year)
Need and duration of mechanical ventilation
all patients for which mechanical ventilation is necessary will be followed until it is no longer necessary
Time frame: through study completion (up to a year)
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