适当选择的初始诊断导管用于使用计算机断层扫描的左冠状动脉血管学
Tatsuhiro Fujimura1, Masaki Takemitsu2, Reina Murayama2
1Division of Cardiology, Department of Medicine and Clinical Science, Graduate School of Medicine, Yamaguchi University, Ube, JPN.
对于左冠状动脉血管学,像Judkins左5.0 (JL5) 这样的更大的导管可能需要在患有上升性大动脉直径超过38毫米的患者. 这一发现优化了对扩大大动脉的导管选择.
科学领域:
- 心血管成像和干预心血管成像和干预
- 干预心脏病学 干预心脏病学
背景情况:
- 在左冠状动脉动脉扫描 (CAG) 过程中引入左冠状动脉可能对患有扩张的上升大动脉的患者具有挑战性.
- 有时需要一个诊断导管,其曲线比Judkins left 4.0 (JL4) 更大,但最佳选择标准尚未明确.
研究的目的:
- 为了研究大动脉形态参数与左CAG期间需要更大的导管 (Judkins左5.0,JL5) 之间的关系.
主要方法:
- 接受CAG和对比增强计算机断层扫描 (CT) 的患者被分为JL4和JL5组.
- 从CT图像中测量了九个大动脉形态参数,并在各组之间进行了比较.
主要成果:
- 与JL4组 (230名患者) 相比,JL5组 (19名患者) 的最大上升大动脉面积和长度,大动脉总长度和大动脉宽度/深度显著增加.
- 最大的上升性大动脉区域是需要JL5的最强预测因素 (几率比为1.71/100mm2).
- 一个1111.2mm2的切断面积 (大约. 38毫米直径) 预测JL5使用.
结论:
- 在CT上,上升性大动脉直径超过38毫米,可能表明需要像JL5这样更大的曲线导管,用于左冠状动脉的初始接触.
- 这一发现可以帮助优化导管选择,并可能提高左CAG程序的效率.
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