Positive Expiratory Pressure (PEP) Devices
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Introduction[edit | edit source]
Positive Expiratory Pressure (PEP) is breathing against resistance, it is similar to Pursed Lip Breathing (PLB) when resistance is applied by the mouth during expiration (Cerny2004); or can be performed by a device (Monika FagevikOlsén a 2015).
The increase in pressure caused by resistance is transmitted to airways, and is able to:
- Stent them to open during expiration thereby preventing premature airway closing, thus reduces gas trapping. (Cerny2004)
Promote collateral ventilation, allowing pressure to build up distal to obstruction(Monika FagevikOlsén a 2015)
- Collateral Ventilation: Is a phenomenon found in the human lungs where alveolar structures are ventilated through passages or channels that bypass normal airways.(E J Cetti 2006)
- Mobilizes secretions from the peripheral airways towards central airways (Downs n.d.)
Physiology of PEP[edit | edit source]
History of PEP[edit | edit source]
Different PEP devices[edit | edit source]
Indications for PEP[edit | edit source]
Studies[edit | edit source]
Resources[edit | edit source]
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