AIM: To observe the dynamic changes in human leukocyte antigen DR (HLA-DR) antigen presentation on peripheral blood lymphocyte (PBL) of patients with postoperative pneumonia after renal transplantation and the curative efficacy of compound Qingrekeli.

• 目的:观察肾移植术后肺炎患者外周血淋巴细胞表面HLA-DR抗原表达的动态变化及中药复方清热颗粒的治疗效果。