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目的:探讨应用改良后的呼吸机对病室环境卫生学的影响。方法:对10例产碳青霉烯酶肺炎克雷伯菌肺感染应用呼吸机的患者和40例肺部感染耐甲氧西林金黄色葡萄球菌(MRSA)使用呼吸机的患者进行分组试验,对病室环境卫生学监测结果进行统计分析。机器改良方法是呼吸机的呼气阀处连接一条螺纹管,将带菌空气引出,消毒后排放。结果:肺部感染产碳青霉烯酶肺炎克雷伯菌应用改良后呼吸机的一组在空气、床头桌、水池、操作中人员手的阳性率分别为20%、10%、20%、10%,较未改良的对照组为80%、70%、70%、50%有明显的下降。肺部感染MRSA使用有创改良呼吸机组空气、床头桌、水池、操作中人员手的阳性率分别为10%、10%、5%、10%均低于无创改良组的20%、20%、10%、20%。结论:此种方法有效地降低了环境的污染程度,降低了医源性医院感染的风险。加强洗手和隔离等卫生预防学措施可以有效的降低MRSA的医院感染率。
Objective: To explore the impact of improved ventilator on ward environment hygiene. Methods: Ten patients with carbapenema-producing pneumoniae Klebsiella pneumoniae were ventilated patients and 40 patients with methicillin-resistant Staphylococcus aureus (MRSA) were divided into groups using ventilator. Ward environmental hygiene monitoring results for statistical analysis. The method of machine improvement is to connect a threaded tube at the expiratory valve of the ventilator to lead the carrier air and discharge it after disinfection. Results: The positive rates of pneumoperitoneum of carbapenem - producing Klebsiella pneumoniae were improved by 20%, 10%, 20% respectively in the air, bedside tables, , 10%, compared with 80%, 70%, 70%, 50% of the unmodified control group. The positive rate of MRSA in patients with MRSA was 10%, 10%, 5%, 10% lower than those in noninvasive improvement group (20%) and 20% (20%) in invasive modified air unit, bedside table, , 10%, 20%. Conclusion: This method effectively reduces the pollution of the environment and reduces the risk of iatrogenic hospital infection. Strengthening preventive measures such as hand washing and isolation can effectively reduce the nosocomial infection rate of MRSA.