老年2型糖尿病患者易并发严重感染,最常见的感染部位是肺、泌尿道和胆道,其中肺部感染占29·5%[1]。老年2型糖尿病合并肺部感染以症状不典型、治疗不当易产生高渗性昏迷或酮症酸中毒、病死率高为特征。为了提高诊断率,探讨正确的治疗方法,我们将最近几年我们治疗患者的病例报告 Elderly patients with type 2 diabetes complicated by severe concurrent infection, the most common sites of infection are lungs, urinary tract and biliary tract, lung infection accounted for 29.5% [1]. Elderly type 2 diabetes with pulmonary infection atypical symptoms, improper treatment prone to hyperosmolar coma or ketoacidosis, characterized by high mortality. In order to improve the diagnostic rate, to explore the correct treatment, we will report the cases of our treatment of patients in recent years