1.肺部感染的病原学诊断随着社会老龄化程度不断提高,老年肺部感染越来越常见,且呈现多样化和复杂化的趋势,其中,耐药菌显著增加,经验性抗生素治疗遇到了严峻的挑战。老年肺部感染病原学诊断的重要性已日益显著,尤其在难治性、特殊肺部感染中必不可少。 1. Pathogenic diagnosis of pulmonary infection With the increasing degree of social aging, elderly pulmonary infection is more and more common, and showing a trend of diversification and complexity, including drug-resistant bacteria increased significantly, experience of antibiotic treatment case To a serious challenge. The importance of etiological diagnosis of elderly pulmonary infections has become increasingly significant, especially in refractory and specific lung infections.