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目的 :探讨心肌梗死 ( MI)病人心肌存活情况的临床相关因素。方法 :对 62例 MI病人行静态和硝酸甘油 ( NTG)介入 SPECT心肌显像。结果 :NTG介入后 64 .5 % ( 40 /62 )的病人心肌灌注改善 ,即有存活心肌存在。经统计学处理 ,中年组比老年组有较多的存活心肌 ( P <0 .0 5 ) ,有不稳定型心绞痛的 MI病人有存活心肌的比率高于稳定型心绞痛或无心绞痛者 ( P<0 .0 5 )。结论 :根据MI病人的临床情况可初步估计其心肌活力。
Objective: To investigate the clinical factors related to myocardial survival in patients with myocardial infarction (MI). Methods: Sixty-two MI patients underwent static and nitroglycerin (NTG) intervention SPECT myocardial imaging. Results: Myocardial perfusion was improved in 64.5% (40/62) patients after NTG intervention, ie there was viable myocardium. Statistically, there were more viable myocardium in the middle-aged group than in the elderly group (P <0.05), and MI in unstable angina patients had a higher proportion of viable myocardium than those in stable angina or non-angina (P <0 .0 5). Conclusion: According to the clinical condition of patients with MI can be initially estimated myocardial viability.