声带功能异常和支气管哮喘患者的肺音分析
2012/04/06
目的:声带功能异常(VCD)主要表现为声带内收导致的吸气时声门狭窄或关闭。这可能会引起狭窄部位的喘鸣。一些患者同时存在VCD和哮喘。这些患者在VCD的急性期,VCD很难与哮喘鉴别。本试验研究肺音分析(LSA)在鉴别哮喘和VCD中的作用。
方法:在哮喘并喉镜诊断的VCD患者中进行LSA。
结果和结论:VCD急性期LSA显示存在单声道的、持续的、外来的听诊音,对称分布于整个肺部。时间域分析显示,外来听诊音来自于颈部。这些LSA证据表明,急性发作并非由哮喘引起,而是由VCD。这显示,LSA是鉴别急性期哮喘和VCD的一个有效方法。
(林江涛 审校)
J Asthma. 2012 Feb 16. [Epub ahead of print]
Lung Sound Analysis in a Patient with Vocal Cord Dysfunction and Bronchial Asthma.
Amimoto Y, Nakano H, Masumoto N, Ishimatsu A, Arakaki Y, Taba N, Murakami Y, Motomura C, Odajima H.
Source
Department of Pediatrics, Fukuoka National Hospital , Fukuoka , Japan.
Abstract
OBJECTIVE:Vocal cord dysfunction (VCD) is a condition characterized by adduction of the vocal cords, resulting in narrowing or even closure of the glottis during inspiration. This can cause wheezing that originates at the site of narrowing. Some patients have both VCD and asthma. In such cases, an acute episode of VCD can be difficult to differentiate from that of asthma. We tested the usefulness of lung sound analysis (LSA) in such a condition.
METHODS:We performed an LSA in a patient with asthma and coexisting VCD diagnosed using laryngoscopy.
RESULTS AND CONCLUSION:The LSA during an acute VCD episode revealed monophonic continuous adventitious sounds that were distributed symmetrically over both lung fields. The time domain analysis revealed that the adventitious sounds originated in the neck. These LSA findings clearly indicated that the acute episode was not due to asthma but due to VCD. This case illustrates that the LSA may be a useful tool to differentiate between an acute episode of asthma and that of VCD.
J Asthma. 2012 Feb 16. [Epub ahead of print]
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哮喘诊断时预测哮喘治疗转归:组胺激发试验中症状感知的作用
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儿童哮喘健康转归检测的特征