The goal of this clinical trial is to learn whether bedside flexible bronchoscopy-guided airway clearance can improve lung aeration in adult patients who are receiving invasive mechanical ventilation and have atelectasis with a high airway secretion burden. The main questions it aims to answer are: Does bedside flexible bronchoscopy-guided airway clearance reduce the proportion of nonaerated lung tissue from baseline to day 5? Does this treatment improve other lung aeration measures, respiratory mechanics, arterial blood gas parameters, pulmonary infection score, ventilator-free days, intensive care unit length of stay, and safety outcomes? Researchers will compare usual airway care plus bedside flexible bronchoscopy-guided airway clearance with usual airway care alone to see if bronchoscopy-guided airway clearance improves lung aeration and clinical outcomes. Participants will be randomly assigned to one of two groups. Participants in the usual care group will receive standard airway management, which may include airway suctioning, postural drainage, humidification, chest physiotherapy, and other routine respiratory care. Participants in the bronchoscopy group will receive the same usual care, plus bedside flexible bronchoscopy-guided airway clearance when predefined criteria for high airway secretion burden are met. Participants will have clinical assessments during the study, including chest imaging, respiratory mechanics measurements, arterial blood gas tests, pulmonary infection score assessment, and safety monitoring. The main assessment will compare quantitative chest computed tomography findings at baseline and day 5 to evaluate changes in nonaerated lung tissue.
Age range
18 Years
Sex
ALL
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Percent Change in CT-assessed Nonaerated Lung Percentage From Baseline to Day 5
Timeframe: Baseline to Day 5