双源CT冠状动脉血管成像在心肌桥和壁冠状动脉诊断中的应用 |
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引用本文: | 王安明,史跃,朱丽丽,赵汉青,李皖陇,陈凯,王中勋,邱志强,权影.双源CT冠状动脉血管成像在心肌桥和壁冠状动脉诊断中的应用[J].解剖与临床,2010,15(2):94-96,100. |
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作者姓名: | 王安明 史跃 朱丽丽 赵汉青 李皖陇 陈凯 王中勋 邱志强 权影 |
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作者单位: | 解放军第97医院医学影像科,江苏徐州,221004 |
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摘 要: | 目的:探讨双源CT冠状动脉血管成像诊断心肌桥(MB)和壁冠状动脉(MCA)的价值.方法:767例疑冠心病患者行双源CT冠状动脉血管成像,对其中401例诊断为MB-MCA者的CT表现进行回顾性分析,并测量其MB的长度和厚度.其中32例同时在DSA下进行冠状动脉造影(CAG)检查,并用双源CT Inspace软件中的4D工具对所有期相的数据进行动态重组,以电影模式重组和回放,与DSA对照分析两者显示MB-MCA的价值.结果:本组MB-MCA的发生率为52.3%,其中前降支占86.3%,左旋支占9.7%,右冠状动脉最少占1.7%.MB长(20.2±2.3)mm,厚(2.6±0.2)mm.结论:双源CT冠状动脉成像综合各种后处理技术是目前诊断MB-MCA最有价值的无创性检查.
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关 键 词: | 心肌桥-壁冠状动脉 体层摄影术 X线计算机 双源CT |
Application of Dual-source CT Coronary Angiography in the Diagnosis of Myocardial Bridge and the Wall of Coronary Artery |
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Institution: | WANG An-ming, Sill Yue, ZHU Li-li,ZHAO Han-qing,Ll Wan-long, CHEN Kai, WANG Zhong-xun, QIU Zhi- qiang, Q UAN Ying. (Department of Imageology, the 97th hospital of PLA, Xuzhou, Jiangsu 221004, China) |
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Abstract: | Objective:To investigate the clinical value of dual-source computed tomography coronary angiography (DSCTCA) in the diagnosis of myocardial bridge (MB) and intramural coronary artery (MCA). Methods:767 cases with potential coronary artery disease underwent the DSCTCA. The CT images from 401 patients who were finally diagnosed as MB-MCA were analyzed retrospectively. The length and thickness of these patients' MB were measured. 32 patients with MB-MCA also received coronary arteriongraphy (CAG) by digital subtraction angiography (DSA). The data in all phases of CAG was restructured dynamically by using the 4D tools of dual-source CT Inspace software, restructured and replayed in the movie mode, and compared with the findings by DSA. Results:The incidence of M B-MCA was 52.3% in this study, amongst which 86.3% occurred in left anterior descending arteries and 1.7% in right coronary arteries. The length with depth of MB were (20.2 ± 2.3 ) mm and ( 2.6 ± 0.2 ) mm, respectively. Conclusions : At present, combination of DSCTCA with other postprocessing techniques is most effective and atraumatic examination for the diagnosis of MB-MCA Noninvasive diagnosis of MB-MCA. |
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Keywords: | Myocardial Bridge-intramural Coronary Artery (MB-MCA) Tomography X-ray Computer Dual-source Computed Tomography (DSCT) |
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