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目的探讨全麻患者麻醉术后下呼吸道感染的相关因素及预防措施。方法将手术患者随机分为两组,均用经气体消毒剂消毒过的麻醉机进行麻醉,Ⅰ组使用一次性过滤器,Ⅱ组不使用;对麻醉机回路内、病毒/细菌过滤器做细菌培养,术后发生下呼吸道感染患者进行痰培养,做常规细菌培养加药敏试验。结果Ⅱ组麻醉机污染率高于Ⅰ组,差异有统计学意义(P<0.01),Ⅰ组术后从麻醉机内和一次性病毒/细菌过滤器采样未捡出细菌,下呼吸道感染率明显低于Ⅱ组。结论气管插管全麻手术患者的医院感染发生率高,应作为医院感染监测重点;针对气管插管全麻患者医院感染的危险因素,提出相应预防措施,降低全麻患者的感染率。
Objective To investigate the related factors and preventive measures of lower respiratory tract infection after general anesthesia in anesthesia. Methods The patients were randomly divided into two groups, all of them were anesthetized with anesthesia machine disinfected with gas disinfectant, group Ⅰ with disposable filter and group Ⅱ with no use. In the anesthesia machine circuit, the virus / bacteria filter was used as bacteria Culture, postoperative respiratory tract infection in patients with sputum culture, routine bacterial culture plus drug sensitivity test. Results The contamination rate of anesthesia machine in group Ⅱ was higher than that in group Ⅰ (P <0.01). In group Ⅰ, bacteria were not detected in anesthesia machine and disposable virus / bacteria filter, the infection rate of lower respiratory tract was obvious Lower than Ⅱ group. Conclusion The incidence of nosocomial infections in patients undergoing general anesthesia for tracheal intubation is high, and should be the focus of hospital infection monitoring. To prevent the nosocomial infection in general anesthesia patients with tracheal intubation, preventive measures should be taken to reduce the infection rate in general anesthesia patients.