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目的:探讨留置尿管导致尿路感染的相关因素。方法:对2 607例留置尿管患者进行监测、分析。结果:2 607例留置尿管患者中有42例发生尿路感染,感染率为16.11%;留置尿管时间在≤2 d、7~10 d、11~14 d、15~21 d的感染率分别为0.16%、50%、57.89%、100%;尿培养中病原菌以大肠埃希菌最为常见,其他依次为粪肠球菌、肺炎克雷伯菌、白色念珠菌等。结论:导尿术、留置尿管时间、老年患者、抗菌药物的不合理应用是导致尿路感染的重要危险因素;针对各种相关因素,采取有效地预防措施,可降低感染率的发生。
Objective: To investigate the related factors of urinary tract infection caused by indwelling catheter. Methods: 2 607 patients with indwelling catheter were monitored and analyzed. Results: Urinary tract infection occurred in 42 out of 2 607 patients with indwelling catheter, the infection rate was 16.11%. The infection rate of indwelling catheter at ≤2 d, 7-10 d, 11-14 d and 15-21 d Respectively, 0.16%, 50%, 57.89% and 100% respectively. Escherichia coli was the most common pathogen in urine culture, followed by Enterococcus faecalis, Klebsiella pneumoniae and Candida albicans. Conclusion: Urethral catheterization, indwelling catheter time, elderly patients and irrational use of antimicrobial agents are important risk factors of urinary tract infection. Taking effective measures to prevent various factors may reduce the incidence of infection.