【摘要】社区获得性肺炎(community-acquired pneumonia，CAP)是指在医院外罹患的感染性肺实质炎症，包括已在社区感染，尚在潜伏期内，又因其他原因住院后发病的肺炎。目前，普遍将年龄≥65岁人群发生的肺炎称为老年CAP。老年CAP起病隐匿，患病率高，住院率和死亡率高，且易感染耐药菌，与年轻人的社区获得性肺炎相比更危险且治理方式不完全相同。尽早发现和治疗老年CAP是获得良好治疗效果的关键。本文简要阐述了老年CAP的临床特点。

    【关键词】社区获得性肺炎；老年人；临床特点

    Characteristics of community-acquired pneumonia in the elderly

    YANG Hairuo

    Department of Medical， Xi’an Jiaotong University， Xi’an， Shaanxi 710061， China

    【Abstract】Community-acquired pneumonia (CAP) is an infectious inflammation of the lung parenchyma that develops outside the hospital.This includes pneumonia that has been contracted in the community，still in the incubation period，and develops after hospitalization for other reasons.Currently，it is common to refer to pneumonia occurring in people aged ≥65 years as elderly CAP.With its hidden onset，high prevalence，hospitalization and mortality rates，and susceptibility to drug-resistant bacteria，elderly CAP is more dangerous and the management methods are not entirely the same as community-acquired pneumonia in younger people.Early diagnosis and treatment of elderly CAP is the key to obtaining good treatment results.This article briefly describes the clinical characteristics of CAP in the elderly. ......