医院获得性肺炎(hospital acquired pneumonia,HAP,简称医院内肺炎nosocomial pneumonia,NP)是指入院48小时后发生的肺炎,但入院时并不处于感染的潜伏期。HAP包括呼吸机相关性肺炎(ventilator‐associated pneumonia,VAP)和医疗机构相关性肺炎(health care‐associated pneumonia,HCAP,也称健康护理相关肺炎)。 ......