慢性全塞和冠状动脉旁路移植结果
Ajami Gikandi1, Eileen M Stock2, Ellen Dematt2
1Division of Cardiac Surgery, Veterans Affairs (VA) Boston Healthcare System, Harvard Medical School, Boston, Mass; Division of Cardiac Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Mass.
The Journal of thoracic and cardiovascular surgery
|August 22, 2024
概括
在冠状动脉旁路移植 (CABG) 后,慢性全闭 (CTOs) 的存在和完整移植并没有显著影响冠状动脉旁路移植 (CABG) 后的主要不良心脏事件. 然而,在特定患者中移植右冠状动脉CTO显示了生存益处.
科学领域:
- 心血管外科心血管外科
- 干预心脏病学 干预心脏病学
- 临床试验分析
背景情况:
- 慢性全闭症 (CTOs) 是冠状动脉疾病管理的一个重大挑战.
- 了解CTO对冠状动脉旁路移植 (CABG) 后结果的影响对于手术决策至关重要.
研究的目的:
- 调查CTO存在与其移植完整性与CABG后主要心脏不良事件 (MACE) 之间的关联.
- 探索在接受CTO再血管化的特定患者亚组中潜在的生存益处.
主要方法:
- 对REGROUP试验的特异后期分析,比较了有CTO和没有CTO的患者的结果.
- 基于CTO存在和CTO船只的完整或不完整接种的分层.
- 使用调整的危险比率和置信区间对MACE率进行比较.
主要成果:
- 大约39.4%的患者至少有一个CTO.
- 在有或没有CTO的患者之间没有观察到MACE率的显著差异 (aHR,0.92;95%CI,0.70-1.20).
- 完整与不完整的CTO移植并没有显著改变MACE率 (aHR,0.95;95%CI,0.57-1.57).
- 在右冠状动脉占主导地位的患者中,在绕过右冠状动脉CTO时,在接受左前下垂动脉移植的右冠状动脉占主导地位的患者中,发现了所有原因死亡率的显著降低 (aHR,0.38;95% CI,0.17-0.83).
结论:
- 在本次亚分析中,CTO存在或CTO完全移植并没有显著影响MACE后CABG.
- 接种主导的右冠状动脉CTO与左前下垂动脉接种一起,可能提供一种生存优势,值得进一步研究.
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