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目的探讨16层螺旋CT冠状动脉成像对心肌桥(MB)的诊断及其临床价值。方法 1274例患者均行16层CTA扫描,所有数据传至工作站进行重组,进行陪重组,观察有无MB,测量MB的长度、厚度、壁冠状动脉狭窄程度等。结果共发现129例139段MB,平均长度及厚度分别为1.25～4.76mm,0.5～3.4mm。发生于前降支中远段113例(81.3%)。结论 16层CTA可以清晰显示冠状动脉和心肌的解剖关系,是诊断心机桥的重要方法。
Objective To investigate the diagnostic value and clinical value of 16-slice spiral CT coronary angiography in myocardial bridge (MB). Methods A total of 1274 patients underwent 16-slice CTA scanning. All the data were sent to the workstation for recombination, accompanied by reorganization, and the presence or absence of MB. The length and thickness of the MB, the degree of stenosis of the wall coronary artery, and the like were measured. Results A total of 129 139 MB segments were found. The average length and thickness of the segment were 1.25 ~ 4.76 mm and 0.5 ~ 3.4 mm, respectively. Occurred in the anterior descending branch of the distal segment 113 cases (81.3%). Conclusion The 16-slice CTA can clearly show the anatomic relationship between coronary artery and myocardium, which is an important method to diagnose cardiocardial bridge.