我们检测了４５例哮喘发作患儿和２０例哮喘缓解后患儿的血浆内皮素（ＥＴ）和降钙素基因相关肽（ＣＧＲＰ）水平，并与正常儿童作比较，报告如下。１　资料与方法１．１　病例：哮喘发作患儿４５例，男２８例，女１７例；年龄２～１３岁，均符合文献〔１〕的诊断；ＰａＯ２＜ We examined the levels of plasma endothelin (ET) and calcitonin gene-related peptide (CGRP) in 45 children with asthma attack and in 20 children with remission of asthma and compared them with normal children as reported below. 1 Materials and Methods 1.1 Case: 45 cases of asthma attacks in children, 28 males and 17 females; aged 2 to 13 years, are in line with the literature 〔1〕 diagnosis; PaO2 <