This relatively new
modality is rapidly gaining popularity in the care of patients with
respiratory failure. It not only reliably delivers very high
fractions of inspired oxygen but also improves lung mechanics via a
PEEP effect and can lower CO2 by washing out the anatomic dead space.
Here is a free full text review. This site from a
manufacturer, though commercially biased, does a good job of
explaining the modality and current indications for its use.
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