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目的：为了解获得性肺炎在重症监护室（ＩＣＵ）内突出的危险因素、病原菌及药敏情况，加强控制。方法：对ＩＣＵ科内９７例院内获得性肺炎状况进行回顾性分析。结果：基础疾病以慢性肺病、急性创伤为主，病原菌以Ｇ－杆菌为主，占 ９３． ３％，其中以铜绿假单胞菌为主，感染时间多见于 ８～１４天。主要诱发因素为重危患者免疫力低下，侵袭性操作，不合理使用抗菌药物。大部分的Ｇ－杆菌对亚胺硫霉素、环丙氟哌酸的总敏感率较高。结论：尽量提高机体免疫力，无菌侵袭性操作，且一定时间变换部位并经常消毒，按药敏选择抗生素。
Purpose: To increase understanding of the risk factors, pathogens and susceptibility to acquired pneumonia in intensive care units (ICU). Methods: A retrospective analysis of 97 hospital-acquired pneumonia in ICU was conducted. Results: The main diseases were chronic lung disease and acute trauma. The main pathogens were G-bacteria, accounting for 93%. 3%, of which Pseudomonas aeruginosa, infection time more common in 8 to 14 days. The main predisposing factors for critically ill patients with low immunity, invasive operation, irrational use of antimicrobial agents. Most G-bacilli have a higher overall sensitivity to imipenem and ciprofloxacin. Conclusion: Try to improve immunity, sterile invasive operation, and some time to change the site and often disinfected, drug-sensitive choice of antibiotics.