Gas conditioning during helmet noninvasive ventilation: effect on comfort, gas exchange, inspiratory effort, transpulmonary pressure and patient-ventilator interaction.

Ann Intensive Care · 2021 · PMC8708509 · PMID 34952962

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an increasing trendno p-value reported

Absolute humidity, relative humidity and temperature inside the helmet interface were significantly lower when the NoH strategy was applied (all p < 0.001), displaying an increasing trend from the steps NoH to HME to HH34 to HH37.

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