64层螺旋CT对冠心病患者再血管化治疗后的疗效评价

Follow-up Investigation of Patients Underwent Coronary Artery Revascularization with 64-Row Spiral CT

目的探讨64层螺旋CT追踪观察冠心病患者冠状动脉再血管化治疗后冠状动脉再狭窄的发生和心功能的变化。方法对28例冠状动脉旁路移植术患者和114例支架植入术患者进行64层螺旋CT冠状动脉造影和左心功能分析;观察吻合口的形态和桥血管/支架再狭窄的发生,计算左心功能指标,用以评价并比较二种冠状动脉再血管化治疗方法的疗效。结果冠心病患者在接受冠状动脉旁路移植术和支架植入术后左心室射血分数和每搏输出量明显增高;1年以后支架植入术后再狭窄发生率高于冠状动脉旁路移植术后;冠状动脉旁路移植术后3年以上者左心室射血分数和每搏输出量明显高于支架植入术后。结论64层螺旋CT心脏检查在冠心病患者再血管化治疗后疗效评价和随访中具有重要意义。

Aim To evaluate the diagnosis value of 64-row spiral CT in follow-up investigation of patients after coronary artery revascularization. Methods 28 patients underwent coronary artery bypass graft （CABG） and 114 patients underwent percutaneous coronary intervention （PCI） were performed with 64-row spiral CT coronary angiography and left ventricular function analysis. The restenosis of the grafts or stents and the variation of left ventricular function were evaluated, in the purpose of comparison of CABG and PCI. Results Patients underwent CABG and PCI got an evident increase of left ventricular ejection fraction （LVEF） and left ventricular stroke volume （LVSV）. Follow-up investigation showed patients underwent CABG got a lower rate of restenosis and a better long-term curative effect. Conclusion 64-row spiral CT is of great clinic value in follow-up investigation of patient underwent revascularization.