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目的：分析纤维支气管镜在肺心病呼吸衰竭治疗中的应用。方法将2012年10月—2014年1月于我院治疗的60例肺心病呼吸衰竭患者随机分为试验组与参照组，各30例。两组均采用对症支持治疗，试验组辅以纤支镜治疗。对比两组患者血气分析结果及治疗效果。结果试验组治疗后血气分析指标明显优于参照组，差异有统计学意义（P＜0.05）。试验组治疗总有效率明显高于参照组，差异有统计学意义（P＜0.05）。结论纤维支气管镜在肺心病呼吸衰竭治疗中的应用价值高，能够清除肺内与呼吸道内的分泌物，促进肺部炎性吸收，改善肺部的换气、通气功能，改善患者血气分析指标，值得推广。“,”Objective: To analyze the bronchoscope used in the treatment of pulmonary heart disease in respiratory failure. Methods: October 2012 to January 2014 in our hospital treated 60 cases of respiratory failure, pulmonary heart disease were randomly divided into experimental group and the reference group, al 30 cases. Both groups were symptomatic and supportive treatment, the test group supplemented by bronchoscopy treatment. Comparison of blood gas analysis results and treatment groups of patients. Results: The experimental group after treatment was significantly better than the reference blood gas analysis group, the difference was statisticaly significant (P <0.05). The total efficiency of the treatment group was significantly higher than the reference group, the difference was statisticaly significant (P <0.05). Conclusion: the value of fiberoptic bronchoscopy in the treatment of respiratory failure Cor high, can remove the lungs and respiratory tract secretions, promote absorption of lung inflammation and improve lung ventilation, ventilatory function, improve blood gas analysis in patients worthy of promotion.