The primary objective is to evaluate the mechanical power as a predictor of weaning of mechanical ventilation in COPD patients hospitalized in the respiratory intensive care unit of Assiut University Hospital The secondary objective is to compare between mechanical power and diaphragmatic excursion (DE) assessed by ultrasound as a predictor of weaning in these patients. Also, to investigate the association between MP and DE and mortality in these patients
All COPD mechanically ventilated patients admitted to respiratory intensive care unit and eligible for weaning according to European respiratory society 2016 (5).
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