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Average volume-assured pressure support (AVAPS) is a relatively new mode of noninvasivepositive pressure ventilation (NiPPV); only a few studies have been done tocompare its effectiveness and safety to bilevel positive airway pressure (BiPAP) in chronicrespiratory failure secondary to obesity hypoventilation syndrome, obstructive sleep apnea,chronic obstructive pulmonary disease, and neuromuscular disorders with respiratory muscleweakness. Only six studies were found in PubMed, and these studies had many limitations,especially small sample sizes. This review provides detailed summaries of these studies.These devices require more investigation.
Abdurahim Aloud (Fri,) studied this question.
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