摘要
目的:探讨冠状动脉CTA诊断心肌桥的临床价值。材料和方法:使用16排螺旋CT对56例患者行CTA检查,根据CTA上冠状动脉的走行部位,诊断12例心肌桥,其中7例行X线冠状动脉造影,10例使用3D屏气FIESTA序列行冠状动脉MRA检查,比较CTA、MRA和X线冠状动脉造影显示心肌桥的效率。结果:CT显示12例心肌桥共13支壁血管在心肌内走行,其中4例可以被X线冠状动脉造影显示,MRA不能可靠显示心肌桥,仅3例提示心肌桥可能。结论:冠状动脉CTA可以准确显示心肌桥,为临床提供判断心肌缺血的可能原因。
Purpose： To evaluate the application of coronary CT angiography in diagnosing myocardial bridge. Materials and Methods： Twelve patients were diagnosed on coronary CT angiography based on the abnormal course of coronary artery using 16-slice CT scanner, 7 of them underwent conventional x-ray coronary angiography and 10 of them underwent coronary MRA using 3D breath-holding FIESTA sequence. The efficiency of CTA, MRA and x-ray coronary angiogram in diagnosing myocardial bridge was compared. Results： Thirteen tunneled vessels located in myocardium of the 12 patients were detected on CTA, 4 of them could be detected on conventional x-ray angiogram with typical findings. MRI failed to detect the myocardial bridge excepted for 3 suspected vessels. Conclusion： Coronary CT angiography enables an accurate diagnosis of the myocardial bridge and could give a reasonable explanation to the myocardial ischemia.
出处
《中国医学影像学杂志》
CSCD
2006年第4期262-265,共4页
Chinese Journal of Medical Imaging
