组在单肺麻醉期间非通气侧肺的支气管导管直接开口于大气中；
Group A: There were no ventilation on the non-ventilated lung open to the air;
目的应用旁气流通气监测法（SSS）观察双腔支气管导管插管患者围术期呼吸功能变化。
Objective To observe the changes of ventilation and respiratory dynamics in patients undergoing bronchial intubation with double channel catheter and monitored by Side Stream Spirometry(SSS).
目的探讨用微导管行支气管动脉栓塞治疗肺部大咯血的疗效。
Objective To investigate the efficacy of selective bronchial artery embolization in treatment of massive hemoptysis.
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