我们从1979年以来,对西宁(海拔2260米)地区机关、工厂、农村共117例慢阻肺患者(慢支77例、早期肺心病和肺心病各20例),用国产30毫安X线机远达2米摄后前位、右前斜位45°片,测量心血管五项指标,同时观察了肺气肿、肺部感染的演变情况,经临床采取冬病夏治连续四年的(治疗治疗方法从略)。于1983年再次按原来观察标准和测量方法进行第二次摄片。现将四年来X线所进行的动态观测结果报告如下: Since 1979, 117 cases of chronic obstructive pulmonary disease (77 cases of chronic bronchitis, 20 cases of early pulmonary heart disease and pulmonary heart disease) have been treated in institutions, factories and rural areas in Xining (2260 meters above sea level) Machine up to 2 meters after the first photo, the right anterior oblique 45 ° piece, measuring cardiovascular indicators, while observing the evolution of emphysema, pulmonary infection, the clinical treatment of winter disease in summer for four consecutive years of ( Treatment of treatment omitted). Again in 1983 by the original observation standards and measurement methods for the second film. Now four years of X-ray dynamic observations carried out as follows: