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目的 探讨心绞痛对急性心肌梗塞（ＡＭＩ）后心肌损害的影响。方法 将８２例急性心肌梗塞患者分成心绞痛组（４８例）和无心绞痛组（３４例），测定心脏肌酸磷酸激酶（ＣＰＫ）及其同功酶（ＣＫ－ＭＢ）、血清肌钙蛋白（ＣＴｎＴ）、Ｃ反应蛋白（ＣＲＰ）和尿微白蛋白分泌率（ＡＥＲ）变化。结果 心肌梗塞前有心绞痛者的ＣＰＫ、ＣＫ－ＭＢ、ＣＴｎＴ、ＣＲＰ和ＡＥＲ增高水平均较低，与心肌梗塞前无心绞痛患者比较，均有显著性差异（Ｐ＜ ０．０５）。结论 心绞痛对ＡＭＩ的心肌损害有明显保护作用。
Objective To investigate the effect of angina on myocardial damage after acute myocardial infarction (AMI). Methods 82 patients with acute myocardial infarction were divided into angina pectoris group (48 cases) and no angina pectoris group (34 cases). The levels of cardiac creatine phosphokinase (CKK), cardiac troponin (CTnT ), C-reactive protein (CRP) and urine microalbumin secretion rate (AER). Results The levels of CPK, CK-MB, CTnT, CRP and AER in patients with angina before myocardial infarction were significantly lower than those without angina in patients with myocardial infarction (P <0.05). Conclusion Angina pectoris has a significant protective effect on myocardial damage in AMI.