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对111例冠心病无症状心肌缺血(SMI)患者与96例无SMI发作的冠心病患者临床资料进行对照研究显示,SMI组合并高血压、糖尿病、高甘油三酯血症比例明显高于对照组,分析与高血压致心肌氧需量增加及冠脉储备减低、糖尿病致神经病变、冠脉病变较重有关。SMI组左心室舒张功能较对照组差。SMI组心肌梗塞或再梗塞发生率明显高于对照组,支持冠脉病变较重。冠心病预防、诊断和治疗应以包括SMI的心肌缺血总负荷为依据。
The clinical data of 111 patients with coronary heart disease with silent myocardial ischemia (SMI) and 96 patients without SMI attack showed that the proportion of SMI patients with hypertension, diabetes and hypertriglyceridemia was significantly higher than that of the control Group, analysis and hypertension caused by increased myocardial oxygen demand and coronary reserve decreased, diabetic neuropathy, coronary artery lesions heavier. Left ventricular diastolic function in SMI group was worse than that in control group. The incidence of myocardial infarction or reinfarction in SMI group was significantly higher than that in control group, supporting the coronary artery disease was heavier. Coronary heart disease prevention, diagnosis and treatment should be based on the total load of myocardial ischemia including SMI.