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目的研究不同的麻醉方式与老年患者术后下呼吸道感染的相关性方法将我院2008年12月-2013年4月老年手术患者240例按麻醉方式分为两组各120例。实验组采取气管插管全身麻醉，对照组采取硬膜外阻滞麻醉。分析比较两组患者的下呼吸道感染发生率。结果实验组共发生术后下呼吸道感染11例，感染率为9.2%；对照组共发生术后下呼吸道感染5例，感染率为4.2%，组间差异显著。结论麻醉方式的不同和老年患者术后下呼吸道感染发生率有相关性，气管插管全身麻醉的感染率要显著高于硬膜外阻滞麻醉。“,” Objective To study the different anesthesia in elderly patients with lower respiratory tract infection associated. Methods From December 2008 to April 2013 elderly surgical patients admitted to 240 cases, with a retrospective analysis of their choice by way of the anesthesia will be divided into experimental and control groups. Experimental group, 120 patients taking general anesthesia, the control group 120 patients taking epidural anesthesia. After the test, the two groups were analyzed and compared the incidence of lower respiratory tract infections. Results The experimental group were lower respiratory tract infection cases of postoperative infection rate was; control group of patients with postoperative lower respiratory tract infection, infection rate. By comparison, the two groups of patients the incidence of lower respiratory tract infections significantly different. Conclusion The study found different ways of anesthesia and elderly patients the incidence of lower respiratory tract infection correlated general anesthesia infection rate was significantly higher than epidural anesthesia.