为了解重症监护病房（ICU）医院感染特点和规律，有效降低医院感染发生率，我们对1997年ICU收治的患者和同期手术科室收治的患者医院感染情况进行了监测对比，并对ICU医院感染高发部位的主要危险因素进行了分析，现报道如下。1方法1．且调查对象1997年1～12月ICU收治的重症监护 In order to understand the characteristics and regularities of nosocomial infection in the intensive care unit (ICU) and effectively reduce the incidence of nosocomial infections, we conducted a surveillance and comparison of nosocomial infections among patients admitted to the ICU in 1997 and those admitted to the surgical department in the same period, and high incidence of nosocomial infections in the ICU. The main risk factors at the site were analyzed and are reported below. 1 Method 1. Subjects surveyed for intensive care at ICU from January to December 1997