支气管哮喘是由多种因素引起支气管高反应,导致气道广泛性狭窄与气道阻力增加的一个病理生理过程,是儿童的常见病。本文就目前对哮喘儿童的支气管高反应性、支气管激发试验、病毒感染与哮喘的关系,以及长效茶碱在治疗哮喘中的地位等问题作一综述。 Bronchial asthma is caused by a variety of factors that cause high bronchial hyperresponsiveness, resulting in extensive airway stenosis and increased airway resistance, a pathophysiological process, is a common childhood disease. This article reviews the current status of asthma bronchial hyperreactivity, bronchial provocation test, the relationship between viral infection and asthma, and the status of long-acting theophylline in the treatment of asthma.