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目的探讨ICU导管相关性血流感染(CRBSI)的感染率及危险因素。方法采用前瞻性监测,对2009年7月-2010年11月入住ICU>24h、年龄>1月龄的置管患者进行监测,并对发生CRBSI的病例进行危险因素分析。结果监测患者共1145例,其中接受血管内置管的患者890例,血管内导管使用率为77.7%,置管日为9189d,发生CRBSI 26例,CRBSI感染率为2.9%,平均日感染率为2.8/千日;CRBSI感染率与置管时间、置管次数均呈正相关(χ2=40.71,P=0.000;χ2=28.6,P=0.000);留置天数(OR=2.415)与置管次数(OR=1.531)是综合ICU的CRBSI独立危险因素。结论严格执行手卫生、无菌技术置管和维护、尽早拔除导管是预防CRBSI发生的关键。
Objective To investigate the infection rate and risk factors of ICU catheter-related bloodstream infection (CRBSI). Methods The prospective surveillance was used to monitor the patients admitted to ICU for> 24h and age> 1 month from July 2009 to November 2010, and risk factors for CRBSI were analyzed. Results A total of 1145 patients were monitored, of whom 890 received endovascular catheterization, 77.7% for endovascular catheterization, 9189 days for catheterization, 26 for CRBSI, and 2.9% for CRBSI infection with an average daily prevalence of 2.8 / 1000 days; The infection rate of CRBSI was positively correlated with the duration of catheterization and the number of catheterization (χ2 = 40.71, P = 0.000; χ2 = 28.6, P = 0.000) 1.531) is an independent risk factor for CRBSI that integrates the ICU. Conclusion Strict implementation of hand hygiene, aseptic technique catheterization and maintenance, as soon as possible to remove the catheter is the key to prevent the occurrence of CRBSI.