用表呼吸肌肌电图评价儿童支气管扩张剂反应。

IF 3 3区 医学 Q2 ALLERGY
Journal of Asthma and Allergy Pub Date : 2025-09-22 eCollection Date: 2025-01-01 DOI:10.2147/JAA.S537519
Baiting He, Feng Li, Simin Liu, Lu Wang, Zhiqiang Chen, Qihua Zhu, Lishuang Wang, Shanfeng Liang, Miral Al-Sherif, Lihong Sun, Yuanming Luo
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引用次数: 0

摘要

背景:吸入支气管扩张剂后第一秒用力呼气量(FEV1)增加≥12%表明气道可逆性。然而,很难测量儿童的FEV1。这项研究的目的是确定从胸壁表面电极记录的呼吸肌肌电图是否可以用来区分患有未控制哮喘的儿童和健康受试者。方法:选取14例哮喘患儿(年龄6.1(3 ~ 13)岁)和28例健康患儿(年龄7.6(3 ~ 13)岁)。未控制的哮喘定义为症状控制不佳,同时FEV1增加至少12%,或在吸入支气管扩张剂后出现喘息症状改善。记录吸入支气管扩张剂前后膈肌电图(EMGdi)、胸骨旁肋间肌电图(EMGpara)、气流、FEV1、喘息情况。结果:所有受试者均能记录到高质量的EMGdi和EMGpara。然而,42名儿童中有18名不能正确使用肺量计。EMGdi [-24.6% (-43.5 ~ -12.4%) vs -0.1% (-13.2 ~ 16.9%), ppara [-11.2% (-31.5 ~ 32.4%) vs -0.5% (-24.9 ~ 13.0%), pdi和EMGpara的变化分别为0.995 (95% CI 0.906 ~ 1.000)和0.755 (95% CI 0.598 ~ 0.874)。结论:表呼吸肌肌电图可用于支气管扩张剂反应的评估,可用于区分哮喘控制儿童与健康儿童。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Bronchodilator Response Assessed by Surface Respiratory Muscle EMG in Children.

Background: An increase of ≥ 12% in forced expiratory volume in the first second (FEV1) after inhalation of bronchodilator indicates airway reversibility. However, it is difficult to measure FEV1 in children. The aim of the study is to determine whether respiratory muscle electromyograms recorded from chest wall surface electrodes can be used to distinguish children with uncontrolled asthma from healthy subjects.

Methods: Fourteen children with uncontrolled asthma [aged 6.1 (3 ~ 13) years] and 28 healthy children [aged 7.6 (3 ~ 13) years] were recruited. Uncontrolled asthma was defined as having poorly controlled symptoms, along with an increase in FEV1 of at least 12%, or presenting with a wheezing symptom that improved after inhaling a bronchodilator. Diaphragm electromyogram (EMGdi), parasternal intercostal EMG (EMGpara), airflow, FEV1, and wheezing were recorded before and after inhalation of bronchodilator.

Results: Good-quality EMGdi and EMGpara could be recorded in all subjects. However, 18 of 42 children could not perform the spirometer properly. Changes in EMGdi [-24.6% (-43.5 ~ -12.4%) vs -0.1% (-13.2 ~ 16.9%), p<0.001] and EMGpara [-11.2% (-31.5 ~ 32.4%) vs -0.5% (-24.9 ~ 13.0%), p<0.05] in children with asthma were, respectively, significantly larger than those in healthy subjects during bronchodilator response. The area under the receiver operating characteristic curves for the changes of EMGdi and EMGpara were 0.995 (95% CI 0.906 to 1.000) and 0.755 (95% CI 0.598 to 0.874).

Conclusion: Surface respiratory muscle EMG could be feasible and useful to assess bronchodilator response to differentiate children with uncontrolled asthma from healthy subjects.

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来源期刊
Journal of Asthma and Allergy
Journal of Asthma and Allergy Medicine-Immunology and Allergy
CiteScore
5.30
自引率
6.20%
发文量
185
审稿时长
16 weeks
期刊介绍: An international, peer-reviewed journal publishing original research, reports, editorials and commentaries on the following topics: Asthma; Pulmonary physiology; Asthma related clinical health; Clinical immunology and the immunological basis of disease; Pharmacological interventions and new therapies. Although the main focus of the journal will be to publish research and clinical results in humans, preclinical, animal and in vitro studies will be published where they shed light on disease processes and potential new therapies.
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