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目的:比较非ST段抬高性心肌梗死(NSTEMI)与ST段抬高性心肌梗死(STEMI)的冠状动脉病变特点。方法:对2002-01/2008-11在丹东市中心医院及丹东市第一医院住院的心梗患者且资料完整的296例进行分析,其中急性非ST段抬高性心肌梗死58例,急性ST段抬高性心肌梗死238例。结果:STEMI患者组的完全闭塞率明显高于NSTEMI组,而侧支循环比率明显低于NSTEMI组。NSTEMI患者的单支病变所占比率明显低于STEMI患者,多支病变及C型病变高于STEMI患者。NSTEMI组>90%的狭窄比率明显高于STEMI组。结论:对两组病变进行分析发现:NSTEMI的多支病变,C型病变及>90%的严重狭窄率均高于STEMI,解释了NSTEMI的远期预后有可能较STE-MI差的原因。
Objective: To compare the characteristics of coronary lesions in non-ST-elevation myocardial infarction (NSTEMI) and ST-segment elevation myocardial infarction (STEMI). Methods: A total of 296 patients with myocardial infarction who were hospitalized in Dandong Central Hospital and Dandong First Hospital from January 2002 to November 2008 were analyzed. Among them, 58 cases were acute non-ST-elevation myocardial infarction, acute ST Segment elevated myocardial infarction in 238 cases. Results: The complete occlusion rate in STEMI patients was significantly higher than that in NSTEMI patients, while the collateral circulation rate was significantly lower than that in NSTEMI patients. The proportion of single-vessel disease in NSTEMI patients was significantly lower than that in STEMI patients, and the multi-vessel disease and C-type disease were higher than those in STEMI patients. NSTEMI group> 90% of the stenosis rate was significantly higher than the STEMI group. Conclusion: The analysis of the two groups of lesions showed that the multi-vessel disease, C-type disease and serious stenosis rate> 90% of NSTEMI were higher than STEMI, which explained that the long-term prognosis of NSTEMI may be worse than that of STE-MI.