本文动态观察了126例老年患者血浆D-二聚体(D-D)在抗感染治疗前后的变化,揭示其在老年肺炎早期诊断、严重度分级和预后判断的价值。现将结果报道如下。1资料和方法1.1一般资料选择2008年1月～2011年5月在我院住院的老年患者,排除有恶性肿瘤、创伤、外科手术、其他部位感染、急性血栓栓塞性疾病,同时无肝、肾等基础疾病,无合并弥漫性血管内凝血(DIC)情况。符合肺炎诊治指南,根据 This article dynamically observed 126 elderly patients with plasma D-dimer (D-D) before and after anti-infective treatment changes, revealing its early diagnosis of pneumonia, the severity of grading and prognosis of the value. The results are reported below. 1 Materials and Methods 1.1 General Information Select elderly patients hospitalized in our hospital from January 2008 to May 2011, excluding malignant tumors, trauma, surgery, other parts of the infection, acute thromboembolic disease, while no liver and kidney And other basic diseases, no diffuse intravascular coagulation (DIC) situation. Comply with pneumonia guidelines, according to