64排螺旋CT冠状动脉成像与冠状动脉造影对心肌桥诊断价值的探讨

目的探讨64排螺旋CT血管造影（CTA）与冠状动脉造影（CAG）对心肌桥诊断的应用价值。方法 912例患者先后进行CTA检查和CAG检查,判断有无心肌桥-壁冠状动脉存在,将两者结果进行Kappa检验和配对t检验,判断两者间差异有无统计学意义。结果 CTA发现104例患者共121段存在心肌桥-壁冠状动脉,其中深在型心肌桥-壁冠状动脉42段,浅表型心肌桥-壁冠状动脉79段;而CAG发现97例患者共114段存在心肌桥-壁冠状动脉,其中深在型心肌桥-壁冠状动脉42段,浅表型心肌桥-壁冠状动脉72段。两者相比较,诊断深在型及浅表型心肌桥-壁冠状动脉两者Kappa一致性好（Kappa=1.000、0.877）,42段深在型-壁冠状动脉心肌桥长度CTA（11.25±4.20）mm vs CAG（9.56±3.67）mm,壁冠状动脉狭窄程度CTA（50±12）%vs CAG（59±12）%（均P〈0.01）;72段浅表型-冠状动脉心肌桥长度CTA（7.39±3.02）mm vs CAG（5.54±2.18）mm,壁冠状动脉狭窄程度CTA（31±10）%vs CAG（38±11）%（均P〈0.01）。结论 CTA能够诊断各型心肌桥-壁冠状动脉存在以及准确测量心肌桥长度,而测量壁冠状动脉狭窄程度则CAG优于CTA。

Value of 64 multi-slice CT arteriography and coronary angiography in diagnosis of myocardial bridge-mural coronary artery

Objective To explore the value of 64 multi-slice CT arteriography and coronary angiography in the diagnosis of myocardial bridge-mural coronary artery.Methods 912 patients were collected and their coronary arteries were examined by 64 multi-slice CT and coronary angiography(CAG).The result that whether the myocardial bridge-mural coronary arteries existed would be evaluated by CT and CAG diagnosticians,and Kappa test as well as paired t test would be adopted to judge the significant difference.Results The C...