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目的评价核素心肌显像对心脏不同部位冠脉分枝病变检测的准确性。方法追踪131例临床诊断冠心病的患者,进行核素~(99m)Tc-MIBI 心肌灌注单光子发射型计算机断层显像(SPECT)和冠脉造影(CAG)检查,对 SPECT 分区和 CAG 显示血管之间的关系进行同组自身对照分析。结果冠脉造影提示:冠造阳性者122例,阴性者9例;冠脉血管分枝病变左前降支(LAD)83支,左回旋支(LCX)58支,右冠脉(RCA)70支。心肌核素检出的敏感性分别为左前降支97.6%(81/83),左回旋支87.9%(51/58),右冠脉95.7%(67/70)。结论核素心肌灌注断层显像对于判定冠心病各相关血管病变均有一定的临床价值。
Objective To evaluate the accuracy of radionuclide myocardial imaging in the detection of coronary branches in different parts of the heart. Methods 131 patients with clinical diagnosis of coronary heart disease were followed up for 99m Tc-MIBI myocardial perfusion single photon emission computed tomography (SPECT) and coronary angiography (CAG) The relationship between the same group self-control analysis. Results Coronary angiography showed that there were 122 cases with positive crown and 9 cases with negative coronary artery. 83 cases of LAD, 58 cases of left circumflex branch (LCX) and 70 cases of right coronary artery (RCA) . The sensitivity of myocardial nuclide detected were 97.6% (81/83) of the left anterior descending artery, 87.9% (51/58) of the left circumflex artery and 95.7% (67/70) of the right coronary artery. Conclusions Radionuclide myocardial perfusion tomography has certain clinical value for judging all the related vascular lesions of coronary heart disease.