在这些病人中，41例因无确定的多层ct冠状动脉造影结果或者不适宜而接受传统的冠脉造影和排出研究。
Of these patients, 41 had inconclusive or abnormal MSCT coronary angiography results and so underwent secondary conventional angiography and were excluded from the study.
他们最初选择了182例疑为冠心病的患者，使用多层ct冠状动脉造影代替传统的冠状动脉造影技术。
They initially enrolled 182 patients with a suspected CAD who were scheduled to undergo conventional coronary angiography but underwent MSCT coronary angiography instead.
目的通过对平板探测器DSA系统与传统DSA系统冠状动脉造影图像质量进行比较和分析，评价平板dsa系统成像质量和临床应用。
Objective to evaluate the imaging quality and utility of flat panel detector DSA through comparing and analysing the image of coronary arteriography in traditional DSA and flat panel DSA.
目的通过对平板探测器DSA系统与传统DSA系统冠状动脉造影图像质量进行比较和分析，评价平板dsa系统成像质量和临床应用。
Objective to evaluate the imaging quality and utility of flat panel detector DSA through comparing and analysing the image of coronary arteriography in traditional DSA and flat panel DSA.
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