支气管哮喘(下简称哮喘)患者多在夜间一清晨发病,或病情恶化。哮喘死亡情况调查表明,死亡也多发生在清晨。这些现象引起了临床医生的关注。近年来国外对哮喘的昼夜节律及其机理进行了许多研究,现简介如下。【哮喘的昼夜节律变化】1.监视哮喘昼夜节律变化的工具和方法:哮喘患者的病情变化常有一定的昼夜节 Patients with bronchial asthma (hereinafter referred to as asthma) and more in the morning a morbidity, or exacerbations. Surveys of asthma deaths indicate that deaths occur more often in the early morning. These phenomena aroused the clinician’s attention. In recent years, foreign circadian rhythm of asthma and its mechanism for many studies are as follows. Circadian rhythm changes in asthma 1. Surveillance of circadian changes in asthma tools and methods: changes in asthma patients often have some day and night