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目的:探讨评价冠心病(CHD)合并2型糖尿病患者冠状动脉CT血管成像(CTA)的特点。方法:筛选2012年6月至2013年6月冠状动脉造影检查确诊为冠心病的患者460例,其中合并2型糖尿病患者220例,无合并糖尿病患者240例,冠状动脉造影后2周内行新双源flash-CT冠脉成像,分析冠心病合并2型糖尿病患者冠状动脉CTA的诊断特点。结果:新双源flash-CT冠状动脉CTA对2型糖尿病并冠心病患者冠状动脉病变的特异性为88.4%。2型糖尿病并CHD患者的冠状动脉钙化较严重,病变支数多,随着钙化积分的增高,特异性有所下降,但冠状动脉血管成像对于介入治疗仍有指导作用。结论:新双源flash-CT冠状动脉CTA是诊断冠心病并2型糖尿病冠状动脉病变可靠、无创的检查方法,但严重钙化者要结合冠脉造影结果进行综合判断。
Objective: To investigate the characteristics of coronary artery CT angiography (CTA) in patients with coronary heart disease (CHD) and type 2 diabetes mellitus. Methods: From June 2012 to June 2013, 460 patients with coronary heart disease confirmed by coronary angiography were selected. Among them, 220 patients with type 2 diabetes mellitus, 240 patients without diabetes mellitus, 240 patients with coronary artery angiography within 2 weeks after coronary angiography Source of flash-CT coronary angiography, coronary heart disease with type 2 diabetes coronary artery CTA diagnostic features. Results: The specificity of new dual-source flash-CT coronary CTA for coronary artery disease in patients with type 2 diabetes and coronary heart disease was 88.4%. Patients with type 2 diabetes mellitus and CHD have more severe coronary artery calcification, more lesions and more specific calcifications. However, coronary artery angiography still plays a guiding role in interventional therapy. Conclusion: The new dual-source flash-CT coronary CTA is a reliable and noninvasive method to diagnose coronary artery disease of type 2 diabetes mellitus with coronary heart disease. However, severe calcification should be combined with coronary angiography findings.