Abstract:The objective: to assess changes in energy expenditures (EE) when reducing pressure support (PS) as a predictor of the patient’s readiness for transfer to spontaneous breathing. Subjects and methods. The study included 33 patients who had been on mechanical ventilation for at least 7 days. PS reduced from 20 to 4 cmH2O at the interval of 4 cmH2O. At each level, the patient's EE were measured with indirect calorimetry. At the end of the study, spontaneous breathing trial (SBT) was performed. Results. In 22 (67%… Show more
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