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作 者:阎志军[1] 赵志勇[1] 赵砚丽[1] 何荣海[1] 高永谦[1] 于新江[1] 谢淑芳[1] 冯光兴[1]
机构地区:[1]河北省人民医院心血管外科,河北石家庄050051
出 处:《中国体外循环杂志》2007年第3期139-141,145,共4页Chinese Journal of Extracorporeal Circulation
摘 要:目的探讨停跳和不停跳心内直视手术对外周血中性粒细胞(PMN)CD11b表达、血浆丙二醛(MDA)和血清心肌酶水平的影响。方法32例先天性心脏病患者分为不停跳组(n=15)和停跳组(n=17)。在不同时间点采静脉血测定PMN CD11b表达、血浆MDA水平和血清心肌酶水平。结果两组PMN CD11b和血浆MDA水平在体外循环开始后均显著升高,在体外循环结束后停跳组显著高于不停跳组。术后血清心肌酶水平停跳组显著高于不停跳组。结论体外循环本身可导致PMN CD11b和血浆MDA的升高,而缺血再灌注损伤可使PMNCD11b、血浆MDA进一步增高;不停跳手术的心肌保护效果优于停跳手术。OBJECTIVE To observe the influence of the open heart operation under arrested-heart and on-pump beating-heart to the expression of polymorphonuclear neutrophil(PMN) CD11b,plasma malondialdehyde(MDA) concentration and myocardiac enzymes in peripheral blood.METHODS Thirty-two patients underwent open heart operation were divided into two groups as they were performed under on-pump beating-heart(Group 1,n=15) or arrested-heart(Group 2,n=17).The venous blood was drawn to detect the expression of PMN CD11b,plasma MDA concentration and serum myocardiac enzymes.RESULTS Expression of PMN CD11b and plasma MDA concentration were statistically higher after extracorporeal circulation(ECC) compared with preoperative time in both groups.But it was higher of group 2 than that of group 1 after ECC was stopped.Concentration of serum myocardiac enzymes of group 1 were higher than that of group 2.CONCLUSION ECC itself can cause the up-regulation of PMN CD11b and increase of plasma MDA concentration,but the ischemia reperfusion injury of myocardium can cause further increases of them.The myocardium protective effect of the operation under on-pump beating-heart was better than arrested-heart.
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