Respiratory care
The most recent articles from:
Respir Care
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Most portable bi-level positive airway pressure devices are not equipped with air-oxygen blenders for precisely regulating oxygen concentrations, and supplemental oxygen must be added to increase the F(IO2). Very few studies have investigated the factors that affect F(IO2), and their conclusions have been inconsistent. We investigated in vitro noninvasive ventilation (NIV) parameters and their effects on F(IO2), particularly the effect of the oxygen injection site. ⋯ The oxygen injection site had the greatest effect on F(IO2) during NIV.
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Editorial Comment
Too passive to prevent ventilator-associated pneumonia.