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哮喘是儿童常见慢性呼吸道疾病,严重影响患儿身心健康,更甚者可危及生命。早期明确诊断及规范化、个体化治疗可提高患儿生活质量,减轻家庭及社会负担[1-2]。肺功能检测在哮喘诊治及管理中起着重要作用。支气管舒张试验是儿童肺功能检测中的重要项目,试验为分别在吸入支气管舒张剂前后测定第一秒用力呼气量(FEV1),比较吸入支气管舒张剂前后的通气改善率,从而了解气道阻塞或狭窄的可重复性,是一项相对简单易行的检测方法。
Asthma is a common chronic respiratory disease in children, seriously affecting children’s physical and mental health, what is more can be life-threatening. Early diagnosis and standardization of a standardized, individualized treatment can improve children’s quality of life, reduce the burden on families and society [1-2]. Pulmonary function tests play an important role in the diagnosis and management of asthma. Bronchodilator test is an important project in children’s pulmonary function test, the test was measured before and after bronchodilator inhalation forced expiratory volume one second (FEV1), compared with inhaled bronchodilator ventilation rate before and after, to understand airway obstruction Or narrow repeatability, is a relatively simple and easy method of detection.