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目的 :对照分析99m锝—MIBI心肌显像与冠状动脉造影检查结果 ,评价99m锝—MIBI心肌显像对冠心病的诊断价值。材料与方法 :12 7例患者 ,4周内行冠状动脉造影及99m锝—MIBI心肌显像检查 ,对比二种结果并分析冠脉病变支数及性别 ,易患因素等与核素检查结果的关系。结果 :核素心肌显像检查的敏感性为 82 2 8% ,特异性为 6 0 42 % ,核素结果与冠脉造影结果一致率在单支病变最高 ,为 89 6 6 %。在双支病变次之 ,为 83 33%。在三支病变最低 ,为 6 8 97% ,P <0 0 5。性别、吸烟、高脂血症、糖尿病不影响二种检查结果的一致率。结论 :99m锝—MIBI心肌显像具有较理想的敏感性和可接受的特异性 ,并安全可行 ,是诊断冠心病的重要手段。
OBJECTIVE: To analyze the results of 99m Tc-MIBI myocardial imaging and coronary angiography, and to evaluate the diagnostic value of 99m Tc-MIBI myocardial imaging in patients with coronary heart disease. MATERIALS AND METHODS: A total of 127 patients underwent coronary angiography and 99m Tc-MIBI myocardial imaging within 4 weeks. The relationship between the number of coronary lesions, gender, predisposition and other factors was analyzed by comparing the two results . Results: The sensitivity of radionuclide myocardial imaging examination was 82.2% and the specificity was 60.42%. The concordance rate of radionuclide results with coronary angiography was highest in single vessel disease with 89.66%. Followed by double-vessel disease, 83 33%. In the three lesions the lowest, 6 8 97%, P <0 05. Sex, smoking, hyperlipidemia, diabetes did not affect the consistency of the two test results. CONCLUSION: 99m Tc-MIBI myocardial imaging has ideal sensitivity and acceptable specificity and is safe and feasible. It is an important method to diagnose coronary heart disease.