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目的 研究静脉溶栓治疗对急性心肌梗死患者心肌存活状态的影响。方法 采用硝酸甘油介入99mTc -MIBI心肌灌注显像的方法 ,评价 37例行静孪跛嵯跛嵯跛嵯跛嵯跛嵯跛嵯跛嵯跛峥位的存活心肌。结果静息显像中 136个节段灌注异常 ,NTG介入后有 81个节段得到不同程度的改善 ,改善率为 5 9.5 6 % ;静息显像平均得分为 8.35± 3.71,介入显像平均得分为 6 .0 5± 3.16 ,两者比较差别有统计学意义 (P <0 .0 0 1) ;静脉溶栓再通组存活心肌检出率为 76 .86 % ,未通组及常规治疗组为 4 4 .4 4 % ,再通组明显高于未通组 ,且有统计学意义 (P <0 .0 1)。结论 硝酸甘油介入99mTc -MIBI心肌显像可明显提高存活心肌的检出率 ,成功的溶栓治疗可使梗塞区保留较多的存活心肌。
Objective To study the effect of intravenous thrombolytic therapy on myocardial viability in patients with acute myocardial infarction. Methods Nitric acid glycerol interventional 99mTc-MIBI myocardial perfusion imaging was used to assess the survival rate of 37 patients with static lameness, lameness, lameness, lameness, lameness, lameness and lameness. Results There were 136 segments perfusion abnormalities in resting imaging. After NTG intervention, 81 segments were improved to some extent with an improvement rate of 5 9.56%. The average resting imaging score was 8.35 ± 3.71. The average of interventional imaging Score was 6.05 ± 3.16, the difference between the two groups was statistically significant (P0.01); the detection rate of viable myocardium in recanalization group was 76.86% Group was 44.4%, the recanalization group was significantly higher than the non-pass group, and there was statistical significance (P <0.01). Conclusion Nitroglycerin interventional 99mTc-MIBI myocardial imaging can significantly improve the detection rate of viable myocardium. Successful thrombolytic therapy can preserve more viable myocardium in the infarct area.