Research progress of asthma-chronic obstructive pulmonary disease overlap syndrome (ACOS) / 中国医师杂志

ABSTRACT

Asthma and chronic obstructive pulmonary disease (COPD) are the most common obstructive airway diseases,mainly manifested with chronic inflammation affecting the whole respiratory tract.Some studies have shown that two diseases can appeared at the same time in partly patients,especially in elderly patients,known as asthma-chronic obstructive pulmonary disease overlap syndrome (ACOS).Although the incidence of ACOS is high,but it is not well recognized,especially in relevant clinical trial,patients with asthma and COPD are often divided in the control group to make comparison.However,in recent years,with in-depth research about phenotype of COPD,ACOS as a new disease that has clinical manifestations of asthma and COPD attracted our great attention and promoted a series of furthermore studies.