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目的:通过64排VCT-XT冠状动脉造影(64SCTA)检查,以探讨心肌桥(MB)的长度、厚度与壁冠状动脉(MCA)近端发生粥样硬化间关系及MCA与非MCA近端粥样硬化率是否存在差异性。方法:回顾性分析经64SCTA诊断为MB的44例患者的影像学资料,分析MB长度和厚度与MCA近端发生粥样硬化的关系,分析比较MCA与非MCA近端粥样硬化发生率。结果:44例患者共检出MCA48支、非MCA172支;深在型MCA较浅表型MCA近端更易发生粥样硬化,而与MB长度变化无明显关系;MCA较非MCA更易发生粥样硬化。结论:MB患者的MCA尤其是深在型MCA近端存在着更大的粥样硬化风险,须引起临床足够重视。
Objective: To investigate the relationship between the length of myocardial bridge (MB) and atherosclerosis in the proximal part of the wall coronary artery (MCA) by 64-slice VCT-XT coronary angiography (64SCTA) Whether the difference between the rate of hardening. Methods: The imaging data of 44 patients with MBSC diagnosed by 64SCTA were retrospectively analyzed. The relationship between MB length and thickness and proximal atherosclerosis was analyzed. The incidence of proximal atherosclerosis in MCA and non-MCA was analyzed. Results: Forty-four patients were found MCA48 and non-MCA172 branches. Atherosclerosis was more likely to occur in the deep MCA than in the MCA, but not with MB length. MCA was more likely to be atherosclerosis than non-MCA . Conclusion: MCA in patients with MB, especially at the proximal end of type MCA, has a greater risk of atherosclerosis and should be given sufficient attention in clinical practice.