双边内乳动脉移植对轻度功能下降的患者的影响
Yu Hohri1, Yanling Zhao1, Paul Kurlansky1
1Division of Cardiothoracic and Vascular Surgery, Columbia University Medical Center, 177 Fort Washington Ave, New York, NY, 10019, USA.
General thoracic and cardiovascular surgery
|August 20, 2025
概括
在冠状动脉旁路移植 (CABG) 中,双边内部乳腺动脉 (BIMA) 移植改善了存活率,并减少了轻度功能下降的患者的不良事件. 这种方法比单一的IMA移植提供了更好的长期结果.
科学领域:
- 心血管外科
- 肝脏病学
- 临床结果研究
背景情况:
- 双边内部乳腺动脉 (BIMA) 移植在多血管冠状动脉旁路移植 (CABG) 中的疗效在轻度功能下降的患者中尚不清楚 (GFR 60 - 89 ml/ min/ 1. 73 m2).
- 这项研究调查了BIMA与单个内部乳腺动脉 (SIMA) 移植在这个特定患者队列中的比较有效性.
研究的目的:
- 在接受多血管CABG的轻度功能患者中,比较BIMA和SIMA移植的长期存活率和主要心脏或脑血管不良事件 (MACCE).
- 评估BIMA与SIMA移植对完全重血管化率和远端瘤数量的影响.
主要方法:
- 对接受单独初级多血管CABG的933名患者进行了回顾性分析,比较接受BIMA (n=454) 与SIMA (n=479) 移植的患者.
- 排除接受放射性动脉移植或没有内部乳腺动脉移植的患者.
- 应用逆概率治疗权重来平衡队列特征和评估6年生存率和MACCE发生率.
主要成果:
- 与SIMA组相比,BIMA组显示出较高的总远端瘤 (P<0. 001),但完全重血管化的比率相似 (P=0. 101).
- 六年生存率在BIMA组 (91. 9%) 与SIMA组 (85. 9%) 显著高 (P=0. 046),通过多变量分析得到证实 (HR 0. 505,P=0. 035).
- 与SIMA组 (40. 5%) 相比,BIMA组的MACCE发病率明显较低 (P< 0. 001).
结论:
- 在接受多血管CABG的轻微功能患者中,双边内部乳腺动脉移植与改善的长期存活率有关.
- 在这种患者群体中,使用BIMA移植显著降低了主要心脏或脑血管不良事件的发生率.
- 在接受复杂冠状动脉再循环治疗的功能障碍患者中,BIMA移植可能是获得更好的临床结果的首选策略.
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