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目的探讨咳嗽变异性哮喘(CVA)患儿的临床特点及误诊因素。方法回顾性分析2005年12月-2008年12月本院32例误诊的CVA患儿的临床资料,对其误诊原因进行分析和总结。结果 32例中误诊为上呼吸道感染12例(37.5%),慢性支气管炎7例(21.9%),慢性咽炎5例(15.6%),间质性肺炎4例(12.5%),支原体感染、百日咳各2例(各6.3%)。误诊时间18d～21个月,平均17个月。确诊后治疗1周内咳嗽消失者27例,2周内消失者5例。随访观察3个月～1a,症状控制良好。结论对CVA认识不足,询问病史不详为误诊的主要原因。对咳嗽反复发作超过1个月、经正规治疗不能缓解者,应考虑本病可能。
Objective To investigate the clinical features and misdiagnosis factors in children with cough variant asthma (CVA). Methods The clinical data of 32 patients with CVA misdiagnosed in our hospital from December 2005 to December 2008 were retrospectively analyzed. The causes of misdiagnosis were analyzed and summarized. Results 32 cases were misdiagnosed as upper respiratory tract infection in 12 cases (37.5%), chronic bronchitis in 7 cases (21.9%), chronic pharyngitis in 5 cases (15.6%), interstitial pneumonia in 4 cases (12.5%), mycoplasma infection, pertussis 2 cases each (6.3% each). Misdiagnosis time 18d ~ 21 months, an average of 17 months. After the diagnosis of cough disappeared within 1 week in 27 cases, disappeared within 2 weeks in 5 cases. Follow-up observation of 3 months to 1a, the symptoms were well controlled. Conclusions The lack of understanding of CVA and history of the disease are not the main reasons for misdiagnosis. Recurrent cough for more than 1 month, after formal treatment can not be alleviated, should consider the disease may be.