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目的:用Tei指数的变化评价再血管化治疗急性心肌梗死区心肌功能的恢复情况,探讨Tei指数在选择再血管化治疗适应证的作用。方法:选择再血管化治疗的32例急性心肌梗死患者,按照是否为跨壁心梗及疤痕情况分为两组。在再血管化治疗的术前、术后10d、3个月、6个月分别测定Tei值和左室射血分数(LVEF),比较并分析前后变化。结果:32例患者在术前及术后10d的Tei指数及LVEF无明显变化;24/32例(术前Tei值<0.54,LVEF>46%)术后3个月及6个月时心功能有明显的变化,8/32例(术前Tei>0.66、LVEF<37%)在再血管化术后没有明显的变化。结论:急性心肌梗死患者选择作再血管化治疗适应证时,Tei<0.54的患者是比较合适的,而Tei>0.66的患者再血管化治疗的效价比较低。
Objective: To evaluate the effect of revascularization on the recovery of myocardial function in acute myocardial infarction area with the change of Tei index, and to explore the role of Tei index in the treatment of indications of revascularization. Methods: Thirty-two patients with acute myocardial infarction who were treated with revascularization were divided into two groups according to whether there was transmural myocardial infarction or scarring. Tei and left ventricular ejection fraction (LVEF) were measured preoperatively, 10d, 3months and 6months after revascularization, and the changes were compared and analyzed. Results: There were no significant changes in Tei index and LVEF in 32 patients before and 10 days after operation. The cardiac function in 24/32 patients (preoperative Tei value <0.54, LVEF> 46%) at 3 and 6 months after operation There were no significant changes in 8 of 32 patients (preoperative Tei> 0.66, LVEF <37%) after revascularization. CONCLUSIONS: Patients with acute myocardial infarction who are candidates for revascularization are eligible for Tei <0.54, whereas patients with Tei> 0.66 have a lower titer of revascularization.