支气管哮喘可出现多种并发症。它不仅给诊断和治疗带来困难,若处理不及时可导致病人死亡。在发作时并发症可有自发性气胸、纵隔气肿、粘液栓性肺不张、肺部感染,呼吸衰竭等;长期反复发作可发生阻塞性肺气肿、慢性肺原性心脏病等,现分述如下。一、发作期并发症 A variety of complications can occur in bronchial asthma. It not only brings difficulties to diagnosis and treatment, but also causes the patient to die if not handled properly. In the onset of complications may have spontaneous pneumothorax, mediastinal emphysema, mucinous thrombus atelectasis, pulmonary infection, respiratory failure, etc .; long-term recurrent episodes of obstructive pulmonary disease may occur, chronic pulmonary heart disease, etc., are As follows. First, the onset of complications