目的 对比128层螺旋CT冠脉成像与DSA血管造影在心血管疾病临床诊断应用价值。方法 回顾性分析我院从2013年1 月到2014年12月入院治疗的40例冠心病患者的临床资料。上述患者入院后给予128层螺旋CT冠脉成像及DSA血管造影 检测诊断，对比两种方法患者的冠脉腔狭窄检出率及螺旋CT对于冠脉狭窄方法检测的敏感性与特异性。结果 两种 方法检测后冠脉中重度狭窄检出率接近，差异无统计学意义(P＞0.05)。应用螺旋CT冠状动脉成像检测中重度冠状 动脉狭窄(冠脉腔径狭窄高于50%)发生误诊11支，漏诊4支，检测敏感性为88.17%，特异性为92.41%。结论 128层螺 旋CT冠脉成像技术是无创性的检测方法，可大大提高疑似冠心病的临床检出率，该方法检测冠心病具较高的敏感性 与特异性，因其无创其费用相对较低的特点可广泛应用于临床。

Objective To compare clinical application value between the 128-slice CT angiography and DSA angiography in the diagnosis of cardiovascular disease. Methods Clinical data of 40 patients with coronary heart disease from January 2013 to December 2014 were retrospectively analyzed. 128-slice CT coronary angiography and DSA angiography were underwent among those the patients after admission to hospital, and to compare the two methods in patients with coronary stenosis detection rate and spiral CT for coronary stenosis detection method sensitivity and specificity. Results The two methods in detecting severe coronary stenosis detection rate were close, the difference was not statistically significant (p> 0.05). Application of spiral CT coronary angiography in detecting severe coronary artery stenosis (coronary luminal diameter stenosis greater than 50%) misdiagnosed 11, missed 4, detection sensitivity of 88.17% and specificity of 92.41%. Conclusion The 128-slice CT coronary imaging technique is noninvasive detection methods which can greatly improve the detection rate of clinically suspected coronary heart disease, coronary artery disease with high detection sensitivity and specificity, because its costs are relatively non-invasive lower characteristics can be widely used in clinical.