For the purpose of studying the influence of open heart surgery with CPB on the immune system,the changes of interleukin-2,immunoglobulins and complements were determined in 40 patients. They were divided into 4 groups.

• 为了进一步探讨体外循环心脏手术对机体免疫功能的影响，以及环氧化酶抑制剂的免疫增强作用，我们将40例心脏手术病人分为4组。 分别检测术前、术后2天、7天的白细胞介素－2（IL－2）、IgM、IgG、IgA、C_3的变化。