高龄患者肺部感染的临床表现往往不典型，尤其在患有其他基础疾病情况下，易被忽视而贻误了治疗，死亡率极高，因而及时、正确的病原菌分离和耐药性监测，对老年肺部感染的诊断、治疗和预后具有重要意义。１材料与方法１．１材料８１６份痰标本来自１例９３岁女患者的下呼... The clinical manifestations of pulmonary infection in elderly patients are often not typical, especially in the case of other underlying diseases, easily overlooked and delaying the treatment, the mortality rate is extremely high, so timely and correct isolation of pathogens and drug resistance monitoring, the elderly Pulmonary infection diagnosis, treatment and prognosis of great significance. 1 Materials and Methods 1.1 Materials 816 sputum specimens from a 93-year-old woman under the call ...