院内感染是定义为入院48小时后发生的感染。中重度院内肺部感染是临床上常见的感染性疾病。在现今抗生素的广泛使用下,其发病率和病死率仍然较高。为了探讨中重度院内肺部感染的临床特点及发病规律,现将我们自1995年12月～1998年12月治疗的78例中重度院内肺部感染患者随机使用青霉素、氧氟沙星、头孢唑啉钠、西力欣、泰能的疗效做一回顾分析,现将结果报告如下。 1 一般资料 Infection in the hospital is defined as the infection that occurs 48 hours after admission. Moderate to severe pulmonary nosocomial infections are clinically common infectious diseases. With the widespread use of antibiotics today, their morbidity and mortality are still high. In order to explore the clinical features and pathogenesis of moderate-severe nosocomial pulmonary infection, now we from December 1995 to December 1998 78 cases of moderate-to-severe hospital lung infection in patients randomized to penicillin, ofloxacin, ceftriaxone Sodium sodium, Xili, Thailand to do a review of the efficacy of treatment, the results are reported as follows. 1 General information