气道声反射成像

David T. Raphael MD, PhD
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引用次数: 6

摘要

这篇综述涉及时域声反射,这是一种动态的实时成像方式,可用于生成易于解释的腔的面积-距离剖面,如呼吸管/下气道系统或食道。无需借助导管造影,声反射仪轮廓可以即时诊断呼吸管的放置位置:气管、支气管或食管。其他应用包括:评估睡眠呼吸暂停,间隔障碍,加上呼吸管阻塞的部位和严重程度(扭结,粘液塞)和下气道异常(支气管痉挛,肺水肿)。讨论了声反射计的其他应用。
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Acoustic reflectometry imaging of the airway

This review deals with time-domain acoustic reflectometry, which is a dynamic, real-time imaging modality that can be used to generate an easily interpretable area-distance profile of a cavity, such as the breathing tube/lower airway system or the esophagus. Without resorting to capnography, the acoustic reflectometry profile allows for instant diagnosis of the site of placement of the breathing tube: tracheal, bronchial, or esophageal. Additional applications include: evaluation of sleep apnea, septal disorders, plus the site and the severity of breathing tube obstruction (kinks, mucus plugs) and of lower airway abnormalities (bronchospasm, pulmonary edema). Other applications of the acoustic reflectometer are discussed.

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