<P> Intermittent positive pressure breathing (IPPB) is a respiratory therapy treatment for people who are hypoventilating . While not a preferred method due to cost, IPPB is used to expand the lungs, deliver aerosol medications, and in some circumstances ventilate the patient . </P> <P> IPPB may be indicated for patients who are at risk for developing atelectasis and who are unable or unwilling to breathe deeply without assistance . In patients with severe lung hyperinflation, IPPB may decrease dyspnea and discomfort during nebulized therapy . </P>

Intermittent positive pressure breathing treatments are useful for patients who are