在患有原生左心室外流通道阻塞的患者中,在动脉切换手术后,新动脉的吐和根扩张
Yasuyuki Kobayashi1, Aditya Suryakumar1, Rebecca Beroukhim2
1Department of Cardiac Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Mass.
The Journal of thoracic and cardiovascular surgery
|July 6, 2025
概括
没有先前的肺动脉带带 (PAB) 的本源左心室外流通道阻塞 (nLVOTO) 是TGA的动脉切换或双切换手术后新动脉缺陷 (AI) 的关键危险因素. 早期的手术干预,如根缩小,可能会降低重新手术率.
科学领域:
- 儿童心脏病学 儿童心脏病学
- 生产性心脏手术 手术 生产心脏手术
- 心血管外科心血管外科
背景情况:
- 大动脉转移 (TGA) 需要复杂的手术纠正.
- 新大动脉缺陷 (AI) 可能发生在动脉开关操作 (ASO) 或双开关操作 (DSO) 后.
- 新生儿期以外的AI风险因素需要进一步调查.
研究的目的:
- 在TGA患者中,在ASO或DSO后确定新动脉功能不全 (AI) 的风险因素.
- 测试假设原生左心室外流通道阻塞 (nLVOTO) 没有先前的肺动脉带带 (PAB) 增加了与AI相关的重新手术的风险.
主要方法:
- 在2011-2024年期间,对157名TGA患者 (不包括新生儿) 进行ASO或DSO的回顾性评估.
- 主要终点:与新人工智能相关的重新操作.
- 多变量分析用于评估风险因素.
主要成果:
- 15名患者需要与新AI相关的重新手术.
- 没有先例PAB的NLVOTO是唯一确定的风险因素 (P < .001).
- 与PAB组 (93.2%) 相比,nLVOTO组 (59.1%) 的五年无需重新操作的时间明显较低.
- 在nLVOTO组中观察到新动脉根z-score (neoAoR-Z) 的快速增加.
结论:
- 没有先前PAB的NLVOTO是ASO/DSO后与新AI相关的重新运行的重要风险因素.
- 新大动脉根扩大 (增加了neoAoR-Z) 与nLVOTO中更高的AI发病率有关.
- 同时的新动脉根缩小可能是一个有益的手术策略,以减轻这种风险.
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