Noninvasive positive-pressure ventilation of COPDAE
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Initiate early if
- moderate/severe dyspnea,
- ↓ pH / ↑ PaCO2,
- RR >25
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Results in 58% ↓ intubation, ↓ LOS by 3.2 d, 59% ↓ mortality
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Contraindications:
- Δ MS,
- inability to cooperate or clear secretions,
- hemodynamic instability,
- UGIB
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(NEJM 1995;333:817; Annals 2003;138:861; Cochrane 2004;CD004104; ERJ 2005;25:348)