Abstract
Excessive tracheobronchial secretions are crucial determinant of extubation failure in ICU patients. High-Frequency Chest Wall Oscillation (HFCWO) is a technique aimed at clearing deep secretions. Aims: Assessing the effects of HFCWO on lung aeration in intubated patients. Methods: We enrolled 42 patients, invasively ventilated (>48 hours) and without contraindications to HFCWO (VEST, Hillrom) and electrical impedance tomography (EIT) (PulmoVista, Draeger). Patients were grouped according to the amount of secretions (i.e. Results: Overall, we observed no significant changes in dEELI (p=0.815) and TIV (p=0.549). In patients without hypersecretion ( Conclusions: HFCWO improves dEELI in the patients with hypersecretion only, while it is ineffective in those without hypersecretion. RMs do not add benefit.
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