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为探讨导尿管伴随性尿路感染（UTIc）的发生、发展规律及防治措施，对57例留置导尿管患者随机分组进行观察，具体方法是隔日收集尿液送细菌培养，当尿培养细菌数＞105／ml时定为尿路感染。结果3组患者随插管时间的延长，尿培养细菌阳性率逐日增加．3组间相应无效的细菌感染率有显著性差异（P＜0．05）．认为全身应用有效抗生素配合0．1％新洁尔灭定时冲洗导尿管并清除尿道口分泌物，可延缓UTIc的发生，对短期留置导尿管的患者，此法是一种较好的预防感染的方法，但对长期留置导尿管而发生感染的患者仍难以奏效．
To investigate the occurrence, development and prevention and treatment of urinary catheter associated urinary tract infection (UTIc), 57 cases of indwelling catheter were randomly divided into groups and observed. The specific method was to collect urine every other day for bacterial culture, Number> 105 / ml when the urinary tract infection. Results With the extension of intubation time, the positive rate of urine culture bacteria increased day by day in 3 groups. There was a significant difference in the corresponding ineffective bacterial infection rates between the three groups (P <0.05). It is considered that systemic administration of effective antibiotics combined with 0.1% benzalkonium bromide flushing catheter and removal of urethral orifice secretions can delay the occurrence of UTIc. This method is a better method of preventing infection in patients with short-term indwelling catheter , But it is still not effective in patients with long-term catheterization and infection.