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首页> 外文期刊>Journal of drug delivery science and technology >The influence of changing interfaces on aerosol delivery within high flow oxygen setting in adults: An in-vitro study
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The influence of changing interfaces on aerosol delivery within high flow oxygen setting in adults: An in-vitro study

机译:变化界面在成人高流量氧气环境中改变界面的影响:体外研究

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摘要

Despite the fact that the nasal-cannula is more comfortable than facemask, using facemask with high flow oxygen therapy (HFOT) may be beneficial in mouth-breathers. The aim of the present work was to evaluate aerosol-delivery both between different interfaces and flows using HFOT setting.The experiment was conducted using an Aerogen-Solo vibrating mesh nebulizer connected proximally to the humidifier in HFOT circuit using three different interfaces (nasal-cannula, mouthpiece, and valved-facemask) at 10, 20 and 30?L/min oxygen-flows. The amount of drug deposited on each part was quantified using HPLC.Total inhalable dose using facemask and mouthpiece (15.3% and 13.7% of nominal-dose, respectively) was significantly higher (p?
机译:尽管鼻腔 - 插管比面罩更舒适,但使用具有高流量氧疗法(HFOT)的面罩可能是有益的口腔呼吸。本作本作的目的是使用HFOT设置评估不同界面和流动之间的气溶胶输送。使用三种不同的接口(鼻腔 - 套管,吹嘴和阀门面罩)在10,20和30?l / min氧气流动。使用HPLC.PPLC.TOTAL可吸入剂量使用面罩和吹嘴(分别为15.3%和13.7%)定量沉积在每个部分上的量度显着高(p≤0.001),而不是鼻腔 - 套管递送的(6.5%的标称剂量)在氧气流10?L / min。无论使用的界面如何,随着氧气流量的增加而降低气溶胶输送。界面内的气溶胶沉积显着增加了鼻腔中的气流量显着增加。通过阀门掩模,吹嘴和鼻套管的标称剂量递送的平均吸入剂量分别为11.1,7.4和1.3%。当气溶胶雾化未与氧递送组合时(占名义剂量的88.0%)时,鼻腔管中的气溶胶沉积显着(p≤001)增加HFOT与气溶胶递送的嘴呼吸器中的选择。增加气流减少剂量递送。

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