Expression of CD11b showed a progressive rise in two groups at all the 5 time points in the study. The CD11b expression in treatment group was lower than that in control group on 30 min,4 hours and 24 hours after CPB finish.

• 两组患者在CPB开始30min后PMNCD11b表达水平呈递增的趋势,CPB停止后30min、4h、24h 3个时间点上观察组PMN CD11b表达水平明显低于对照组。