Upper airway pressure distribution during nasal high-flow therapy

Rutger H J Hebbink,Marieke L Duiverman,Peter J Wijkstra,Rob Hagmeijer

Medical Engineering & Physics（2022）

引用 6|浏览3

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摘要

•The upper airway pressure distribution during nasal high-flow therapy is measured.•The jet penetrates into or slightly beyond the nasal cavity at end-expiration.•Jet penetration hardly depends on cannula size or flow rate.•Positive end-expiratory pressure is roughly proportional to the flow rate squared.

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关键词

Nasal high-flow therapy,Pressure distribution,Positive end-expiratory pressure,Dead space washout,Upper airway

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