CAP合并危险因素状态下的急诊诊治策略

Emergency treatment strategy in the condition of CAP combined with risk factors

社区获得性肺炎（community acquired pneumonia，CAP）是急诊最常见、最重要的急性感染性疾病之一。当CAP患者合并有基础疾病、高龄等危险因素时，往往临床预后差，死亡率高。明确患者病原学特点、早期给予正确的经验性抗生素治疗是挽救患者生命的关键因素。本文就CAP合并危险因素时的病原学特点、耐药风险及抗菌治疗方案的选择进行探讨，以便为急诊医师提供诊疗参考。

Community acquired pneumonia is one of the most common, important acute infectious disease of emergency department. When CAP patients with the risk factors such as age or basic diseases, often have poor prognosis and high mortality. Accurate to assess the pathogens of patients, then early to give correct empirical antibiotic therapy is a key factor to save lives. In this article, we discuss the possible pathogens, and their resistance, and the choice of antibiotic treatment of CAP with the risk factors, in order to induce the attention and thinking of emergency physicians.