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During the last 2 years, we have seen a rapid rise in use of high-flow oxygen. Although its use is supported during the immediate postextubation period for patients at low risk for reintubation (NEJM JW Gen Med Apr 15 2016 and JAMA 2016; 315:1345 and 1354), this has not been studied in a high-risk population. Investigators in Spain randomized 604 mechanically ventilated patients to be extubated to 24 hours of either high-flow nasal cannula or noninvasive positive pressure ventilation (NPPV). All patients were deemed to be at high risk for reintubation, although criteria for this designation were quite inclusive, and only one risk factor was required (e.g., age, >65; body-mass index, >30; ≥2 comorbidities; intubation for >7 days).
Reintubatio…