咳嗽变异性哮喘(CVA)是指以慢性咳嗽为唯一或主要的临床表现的一种特殊类型哮喘。因临床表现不典型,肺部一般没有哮鸣音,极易误诊,以至病情得不到及时缓解。2001-09/2008-09我院共收治CVA30例,其中误诊12例,误诊率高达40%,现报告如下。1临床资料1.1一般资料本组男12例,女18例; Cough Variant asthma (CVA) refers to a specific type of asthma that is the only or major clinical manifestation of chronic cough. Due to the clinical manifestations of atypical lungs are generally no wheeze, easily misdiagnosed, and even the disease can not be alleviated in time. 2001-09 / 2008-0930 cases of CVA were admitted to our hospital, of which 12 cases were misdiagnosed, the misdiagnosis rate as high as 40%, are as follows. 1 Clinical data 1.1 General Information The group of 12 males and 18 females;