利多卡因对体外循环病人炎症反应的影响

目的 通过测定血浆中肿瘤坏死因子-α(TNF-α)、白细胞介素-6(IL-6)及白细胞介素-8(IL-8)在体外循环(CPB)心内直视手术不同阶段的浓度变化,研究利多卡因对体外循环所致的机体炎症反应的影响.方法 30例择期行瓣膜置换术的风湿性心脏病病人,随机分为对照组(A组)、大剂量抑肽酶组(B组)、利多卡因组(C组).所有病人均应用静脉复合全身麻醉,常规建立体外循环,分别于麻醉后切皮前(T1)、主动脉阻断30min(T2)、CPB结束时(T3)、CPB后2 h(T4)、CPB后24 h(T5)取桡动脉血6 mL,即刻离心,留取上清液,-72℃深低温保存,酶联免疫吸附反应(ELISA)法检测血浆中细胞因子TNF-α、IL-6、IL-8水平.结果 3组TNF-α、IL-6、IL-8在CPB后即开始升高,至术后2 h达高峰,术后24h降至正常水平.各组T3、T4时间点细胞因子浓度与其他时间点相比差异有显著性(F=81.91～183.99,q=3.18～30.39,P<0.05).B、C组T3、T4时间点各指标与对照组相比差异有显著性(F=13.60～149.10,q=5.31～23.67,P<0.05).而B组和C组相比差异无显著性(P>0.05).结论 体外循环诱发全身炎症反应,导致炎性细胞因子的释放增加,利多卡因能减少细胞因子的释放,从而减轻CPB所致的机体炎症反应.

EFFECT OF LIDOCAINE ON SYSTEMIC INFLAMMATORY RESPONSE SYNDROME CAUSED BY CARDIOPULMONARY BYPASS

Objective To investigate the effect of lidocaine on systemic inflammatory response syndrome(SIRS) caused by cardiopulmonary bypass(CPB). Methods Thirty patients with rheumatic heart disease were randomly assigned to three groups(10 cases for each group): group A(control group),Group B(aprotinin group) and Group C(lidocaine group).The surgery was done under general balanced anesthesia and CPB was routinely set up.Six milliliter of radial artery blood was drawn on each of the five time point: T1(before CPB),T...