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011 医学部 >
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01121 Journal of Nara Medical Association >
Vol.43 No.2 >

このアイテムの引用には次の識別子を使用してください: http://hdl.handle.net/10564/1914

タイトル: 連続性ラ音の音響学的性状および伝播特性に関する検討 : 気管支狭窄による連続性ラ音と気管支喘息患者ラ音の対比検討
その他のタイトル: ANALYSIS OF ACOUSTIC FEATURES AND CHARACTERISTICS OF THE TRANSMISSION OF CONTINUOUS ADVENTITIOUS LUNG SOUNDS : A COMPARISON BETWEEN THE CONTINUOUS SOUNDS IN ASTHMATIC PATIENTS AND THOSE DUE TO BRONCHIAL STENOSIS
著者: 長, 澄人
キーワード: continuous adventitious lung sounds
bronchial asthma
bronchial stenosis
coherence
cross-correlation
発行日: 1992年4月30日
出版者: 奈良医学会
引用: 奈良医学雑誌 Vol.43 No.2 p.113-124
抄録: The author studied the acoustic features of continuous adventitious lung sounds in asthmatic patients, and analyzed the characteristics of transmission by comparing the continuous sounds in asthmatic patients with those due to bronchial stenosis. The results were as follows ; 1) Continuous adventitious lung sounds in patients with bronchial stenosis confirmed by bronchoscopy were well transmitted to the neck over the trachea. Therefore, it was demonstrated that continuous adventitious lung sounds generated in the lung were able to be transmitted to the tracheal region. 2) continnous adventitious lung sounds in asthmatic patients were divided into monophonic tones and polyphonic tones, according to sound spectrographic findings. From the results of coherence analysis, the monophonic tones were considered to be generated in the right or left lung and were well transmitted to the neck over the trachea. Therefore, it was confirmed that the tracheal region is a very important location for auscultating and monitoring asthmatic patients. 3) From the results of cross-correlation analysis, it was suggested that the continuous adventitious lung sounds due to bronchial stenosis could be differentiated from those in asthmatic patients.
URI: http://hdl.handle.net/10564/1914
ISSN: 04695550
13450069
出現コレクション:Vol.43 No.2

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