Introduction: Manual hyperinflation (MH), a frequently applied maneuver in critically ill intubated and mechanically ventilated patients, is suggested to mimic a cough so that airway secretions are mobilized toward the larger airways, where they can easily be removed. As such, MH could prevent plugging of the airways.
Paulus, F., Binnekade, J. M., Vroom, M. B., & Schultz, M. J. (2012). Benefits and risks of manual hyperinflation in intubated and mechanically ventilated intensive care unit patients: a systematic review. Critical Care, 16(4). https://doi.org/10.1186/cc11457