64排螺旋CT冠状动脉成像诊断心肌桥-壁冠状动脉的价值 |
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引用本文: | 梁洪生,陈进军,陈小宇,梁宇豪,欧剑扬,马关华. 64排螺旋CT冠状动脉成像诊断心肌桥-壁冠状动脉的价值[J]. 国际医药卫生导报, 2016, 0(11): 1608-1612. DOI: 10.3760/cma.j.issn.1007-1245.2016.11.035 |
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作者姓名: | 梁洪生 陈进军 陈小宇 梁宇豪 欧剑扬 马关华 |
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作者单位: | 526020,肇庆市中医院放射科 |
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摘 要: | 目的 探讨64排螺旋CT(64-MSCT)冠状动脉造影(CCTA)技术在冠心病诊断中对心肌桥-壁冠状动脉(MB-MCA)的检出率及应用价值.方法 回顾性分析332例临床怀疑或确诊冠心病患者的64排螺旋CT冠状动脉造影的检查资料,观察有无心肌桥-壁冠状动脉.结果 64排螺旋CT冠脉造影共检出心肌桥-壁冠状动脉63例,检出率18.9%,其中59例(93.6%)单发心肌桥-壁冠状动脉,4例(6.3%)多发心肌桥-壁冠状动脉;发生于前降支最为多见,为53例(76.8%).心肌桥长度5~68 mm,厚度1.5~5.0mm,其中39例载心肌桥-壁冠状动脉近或远段血管伴有不同程度的粥样硬化斑块,管腔狭窄率<50%共30例.结论 64排螺旋CT冠脉造影是一种诊断心肌桥-壁冠状动脉的可靠、无创的方法,尤其可以显示其MSCT的表现特点,载支血管粥样硬化狭窄情况,为临床提供明确直观的诊治信息.
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关 键 词: | 心肌桥-壁冠状动脉 冠状动脉成像 多排螺旋CT X线计算机 |
Diagnostic value of 64-slice spiral CT coronary angiography in myocardial bridging-mural coronary artery |
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Abstract: | Objective To investigate the application value of 64-slice spiral CT (64-MSCT) coronary angiography (CCTA) in the diagnosis of coronary heart disease and the detection rate of myocardial bridgingmural coronary artery (MB-MCA).Methods Examination data of 64 slice spiral CT coronary angiography for 332 cases of clinically suspected or confirmed patients with coronary heart disease was retrospectively analyzed,observed that there was MB-MCA or not.Results MB-MCA was detected in 63 cases,with the detection rate of 18.9%,in whom there were 59 cases (93.6%) of single MB-MCA and 4 cases (6.3%) of multiple MB-MCA;MB-MCA occurred in anterior descending branch in 53 cases (76.8%),which was the most common.The length of myocardial bridge was 5-68 mm,the thickness of 1.5-5.0 mm,different degree of atherosclerotic plaque occurred in 39 cases of proximal or distal blood vessels with MB-MCA,there were 30 cases with the lumen stenosis rate lower than 50%.Conclusion 64 slice spiral CT coronary angiography is a reliable and noninvasive diagnostic method for MB-MCA,which can display the features of MSCT and atherosclerotic stenosis of carrying vessel,provide clear and intuitive help for clinical diagnosis and treatment. |
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Keywords: | Myocardial bridging-mural coronary artery Coronary angiography Multi-slice spiral CT X-ray computer |
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