CoughAssist is the only therapy that expels tracheobronchial secretions1
| Modality | Expels Secretions |
| CoughAssist® | Yes |
| Intermittent Positive Pressure Breathing (IPPB) Devices | No |
| Intrapulmonary Percussive Ventilation | No |
| High Frequency Chest Wall Oscillation | No |
| Handheld Mobilization Devices | No |
| ". . . chest vibration techniques, no matter how effective in mobilizing peripheral secretions, will not result in their expulsion without an effective cough flow." - Bach JR. Eur Respir J. 2003; 21:385-386.2 |