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对６０例（冠心病组、可疑冠心病组和正常对照组各２０例）进行多巴酚丁胺负荷超声心动图（Ｄｏｂｕ－Ｅｃｈｏ）和心电图（Ｄｏｂｕ－ＥＣＧ）试验，其中３３例同时进行潘生丁９９ｍｂｅＴｃ－ＭＩＢＩ心肌显象（ＤＩＰ－Ｔｃ）。结果显示：Ｄｏｂｕ－Ｅｃｈｏ诊断冠心病的敏感性为９５％，特异性为８５％，准确性为９０％；Ｄｏｂｕ－ＥＣＧ的敏感性为４５％，特异性为１００％，准确性为７２．５％；Ｄｏｂｕ－Ｅｃｈｏ和ｍｐ－Ｔｃ诊断符合率８２％（Ｐ＞０．０５）。试验中无严重不良反应发生。表明：Ｄｏｂｕ－Ｅｃｈｏ诊断冠心病有较高的敏感性和特异性，与Ｄｉｐ－Ｔｃ类似，安全性也高，值得临床推广应用。
Dobu-Echo and Dobu-ECG were measured in 60 patients (coronary heart disease group, suspicious coronary heart disease group and normal control group, 20 cases each). Of the 33 cases, dipyridamole 99mbeTc-MIBI myocardial imaging (DIP-Tc). The results showed that Dobu-Echo had a sensitivity of 95%, specificity of 85% and accuracy of 90%. Dobu-ECG had a sensitivity of 45%, a specificity of 100% and an accuracy of 72.5 %; Dobu-Echo and mp-Tc diagnostic accuracy of 82% (P> 0.05). No severe adverse reactions occurred in the test. Dobu-Echo diagnosis of coronary heart disease has a higher sensitivity and specificity, similar to Dip-Tc, high safety, worthy of clinical application.