支气管舒张试验的影响因素

支气管舒张试验对支气管哮喘的诊断具有重要意义,由于其安全有效、方便经济,目前在临床中广泛应用,但在目前应用过程中还存在一些问题,尤其是诊断的阳性率不高,也存在一定比例的假阳性,现重点针对影响其阳性率的诸多因素--阳性标准、支气管舒张剂本身、受试者的个体差异、系统误差及其他指标和试验作一简要综述.

Influential factors of bronchial dilation test

For the safety, efficacy and convenience, bronchial dilation test has been widely used in clinic,and it has been an important diagnostic procedure of bronchial asthma. However,there are still some problems at present, especially no high enough positive rate, and with some false positive rate. The review discusses the influential factors of the bronchial dilation test, such as the standard, the bronchodilatator, the individual difference,systematic error,and other indicators or test.