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目的探讨煤工尘肺患者中叶综合征(Middle lobe Syndrome,MLS)的X线胸片影像学的改变特点,对尘肺期别、肺功能、动脉血气和医院内肺部感染的影响。方法回顾性调查1986年1月—2012年12月在本院住院的1 309例煤工尘肺(尘肺)患者的临床资料,选择MLS患者52例为观察组,选择无MLS尘肺患者45例为对照组,观察尘肺MLS的X线胸片特点、肺功能、血气分析及医院内肺部感染发病情况。结果①X线胸片后前位显示:纹理增深型22例、类炎症型17例、扇形摹状8例、致密三角型5例。②壹期和贰期煤工尘肺患者患MLS的发病情况比较,二组间差异无统计学意义(P>0.05)。③二组尘肺患者肺功能和血气分析比较差异无统计学意义(P>0.05)。④二组尘肺患者住院期间累及医院内肺部感染发生情况比较差异有统计学意义(P<0.05)。结论动态的系列后前位和右侧位胸片是诊断尘肺MLS的主要依据;本院尘肺住院患者MLS发病率3.97%,不受尘肺期别的影响;对尘肺患者的肺功能及血氧分压未见明显影响;MLS组医院内肺部感染次数明显高于对照组。
Objective To investigate the changes of X-ray images of coal miners with pneumoconiosis (COPD) on the pneumoconiosis, lung function, arterial blood gas and pulmonary infections in hospitals. Methods The clinical data of 1 309 coal worker pneumoconiosis (Pneumoconiosis) patients hospitalized in our hospital from January 1986 to December 2012 were retrospectively studied. Fifty-two patients with MLS were selected as the observation group and 45 patients without MLS pneumoconiosis as the control Group, observe the characteristics of lung chest X-ray of lung cancer MLS, pulmonary function, blood gas analysis and incidence of pulmonary infection in the hospital. Results ① The posterior aspect of X-ray showed that there were 22 cases of deepened texture, 17 cases of inflammation, 8 cases of fan-shaped exudate and 5 cases of dense trigone. (2) There was no significant difference between the two groups in the incidence of MLS in stage I and stage II pneumoconiosis patients (P> 0.05). ③ There was no significant difference in lung function and blood gas between two groups of pneumoconiosis patients (P> 0.05). ④ There were significant differences in the incidence of pulmonary infection in hospital between the two groups of pneumoconiosis patients during hospitalization (P <0.05). Conclusions The dynamic series of posterior and right chest radiographs are the main basis for the diagnosis of pneumoconiosis MLS. The incidence of MLS in hospitalized pneumoconiosis patients was 3.97%, not affected by pneumoconiosis stage. The lung function and blood oxygen level Pressure had no significant effect; MLS group hospital frequency of pulmonary infection was significantly higher than the control group.