128层CT冠状动脉成像

1、computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/ computer tomographytmse ctg - lb/april 2003/ （）computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/ computer tomographytmse ctg - l

2、b/april 2003/computer tomographytmse ctg - lb/april 2003/ computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/64n简便易行，安全可靠，风险小的无创检查n显示冠状动脉主要节段，远端和侧支n美国心脏病学学会杂志发表研究结果： 狭窄程度 50%

3、75% 特异性 97%， 敏感性 79% 73% 80% 阴性预测价值高computer tomographytmse ctg - lb/april 2003/n症状不典型的可疑冠心病患者，如果ct检查阴性，基本可以排除冠心病n没有冠心病症状的瓣膜病患者心外科换瓣前，替代常规的经导管冠状动脉造影n暂不愿接受冠状动脉造影检查的冠心病患者，64排ct初步评价病变严重程度及预后computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/n对狭窄程度的精确定量能力不足，不能满足介入心脏病

4、医师或心外科医师确切了解冠状动脉的解剖结构和血液动力学的要求n严重钙化影响冠状动脉computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april

5、2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - l

6、b/april 2003/computer tomographytmse ctg - lb/april 2003/ 不稳定斑块不稳定斑块斑块的纤维帽完整，其内平滑肌细胞丰富，脂核斑块的纤维帽完整，其内平滑肌细胞丰富，脂核所占比例小，斑块合并钙化甚至全部纤维化。所占比例小，斑块合并钙化甚至全部纤维化。脂核所占斑块体积超过脂核所占斑块体积超过40，伴大量的巨噬细胞，伴大量的巨噬细胞，斑块内无胶原纤维，斑块帽薄且平滑肌细胞数，斑块内无胶原纤维，斑块帽薄且平滑肌细胞数量少，斑块容易受侵蚀和发生破裂，形成血栓突量少，斑块容易受侵蚀和发生破裂，形成血栓突向管腔。向管腔。computer tomograph

7、ytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer t

8、omographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/co

9、mputer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april

10、 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg -

11、lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytms

12、e ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/左前降支的支架内血左前降支的支架内血管内膜局限性过度增管内膜局限性过度增生伴狭窄生伴狭窄computer tomographytmse ctg - lb/april 2003/左前降支的支架内左前降支的支架内血管内膜弥漫性过血管内膜弥漫性过度增生伴狭窄度增生伴狭窄computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomographytmse ctg - lb/april 2003/computer tomograp