基于CCTA的CABGSYNTAX评分:一种工具,用于评估经过绕道手术后冠状动脉段重血管化的完整性
Nozomi Kotoku1, Patrick W Serruys2,3, Shigetaka Kageyama1
1Department of Cardiology, University of Galway, Galway, Ireland.
The international journal of cardiovascular imaging
|November 3, 2023
概括
更新的冠状动脉计算机断层扫描血管学 (CCTA) 基于冠状动脉旁路移植 (CABG) 解剖学SYNTAX评分 (aSS) 是评估CABG后再血管化的完整性的可行工具. 这种方法在复杂冠状动脉疾病患者中显示出实质性的观察者间可重复性.
科学领域:
- 心血管成像 - 心血管成像
- 干预心脏病学 干预心脏病学
- 心脏外科手术 心脏外科手术
背景情况:
- 在冠状动脉旁路移植 (CABG) 手术后评估重血管化的完整性对于患者的治疗结果至关重要.
- 冠状动脉计算机断层扫描 (CCTA) 提供了冠状动脉解剖和旁路移植的详细可视化.
- 传统的SYNTAX评分 (aSS) 评估了先天冠状动脉疾病的严重程度,但需要进行CABG后的适应.
研究的目的:
- 为了描述更新的基于CCTA的CABG解剖SYNTAX得分 (CCTA-CABG aSS).
- 评估CCTA-CABG aSS的实用性和可重复性,以评估CABG后的复血管化完整性.
- 使用CCTA量化静脉冠状动脉片段的移植缺陷.
主要方法:
- 开发了CCTA-CABG aSS,通过从本地冠状动脉树aSS中减去成功解剖的细分的aSS.
- 评估了45名为三血管疾病 (有或没有左主疾病) 接受CABG的患者的CCTA-CABG aSS.
- 评估CCTA-CABG aSS的观察者间可复制性,使用CCTA扫描后30天获得的CCTA扫描.
主要成果:
- 在45名患者中评估了CCTA-CABG aSS,分析了117个绕道移植和152个解剖.
- 中位数原生冠状动脉aSS为35.0,而中位数CCTA-CABG aSS为13.0.
- 对于原生冠状动脉aSS (Kappa=0.67) 和CCTA-CABG aSS (Kappa=0.61) 发现了实质性的观察者间一致性.
结论:
- CCTA-CABG aSS是所有CABG患者的可行方法,包括那些患有复杂冠状动脉疾病的患者.
- CCTA-CABG aSS 显示了实质性的观察者间可重复性.
- 这一更新的得分可以有效量化CABG后复血管化的完整性.
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