严重阻塞性肺气肿并发气胸后可加重肺功能障碍，如诊治不及时，极易诱发呼吸衰竭。为了提高本病的正确诊断率，现将我们收治的２７例分析如下。临床资料：本组２７例均系重度阻塞性肺气肿患者，男１８例，女９例；年龄３３～７８岁，平均５７．３岁。肺部基础疾病为慢性支气管 Severe obstructive pulmonary emphysema complicated with pneumothorax may increase pulmonary dysfunction, such as diagnosis and treatment is not timely, can easily lead to respiratory failure. In order to improve the correct diagnosis of the disease, now we treat the 27 cases analyzed as follows. Clinical data: The group of 27 patients were severe obstructive pulmonary emphysema, 18 males and 9 females; aged 33 to 78 years, mean 57.3 years. The underlying lung disease is chronic bronchitis