Non-invasive Positive-Pressure Ventilation

  • Paul Ellis Marik


NIPPV can be delivered nasally or by face mask, using either a conventional mechanical ventilator or a machine designed specifically for this purpose. NIPPV has two major modes of supplying ventilatory support, namely continuous positive airway pressure (CPAP) and bilevel positive airway pressure (BiPAP). CPAP provides continuous positive pressure throughout the respiratory cycle. CPAP recruits underventilated alveoli by increasing lung volume at the end of expiration, resulting in improved gas exchange. CPAP is also effective in decreasing the work of breathing compared with unsupported ventilation.1


Obstructive Sleep Apnea Continuous Positive Airway Pressure Endotracheal Intubation Acute Respiratory Failure Invasive Mechanical Ventilation 
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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  1. 1.Division of Pulmonary and Critical Care MedicineEastern Virginia Medical SchoolNorfolkUSA

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