脊椎动脉接入考虑在小上大脑动脉动脉瘤的卷状栓塞中
Hidetoshi Matsukawa1, M-Mahdi Sowlat2, Guilherme Porto2
1Department of Neurosurgery, Medical University of South Carolina, Charleston, South Carolina, USA; Department of Neurosurgery, Hyogo Medical University, Nishninomya, Hyogo, Japan.
World neurosurgery
|January 8, 2024
概括
了解脊椎和基底动脉解剖学是成功卷曲小上大脑小动脉动脉瘤的关键. 这项研究详细介绍了血管形态如何影响内血管治疗的获取和结果.
科学领域:
- 神经外科 神经外科
- 干预性神经放射学 干预性神经放射学
- 血管神经学 血管神经学
背景情况:
- 卷积小上大脑小动脉动脉瘤 (sSCAAs) 提出了重大的技术挑战.
- 脊椎动脉 (VA) 和基底动脉 (BA) 形态是关键的,但在规划sSCAA治疗时经常被忽视的因素.
研究的目的:
- 阐明VA和BA解剖学之间的关系以及sSCAAs的最佳内血管卷积策略.
- 根据特定的脊基结和动脉瘤特征指导选择接入路径.
主要方法:
- 在2015年4月至2022年2月期间治疗的11名sSCAAs (<5毫米) 患者的回顾性分析.
- 接入路线的选择取决于VA特征,BA曲率和动脉瘤横向性.
- 动脉瘤闭塞的评估 (雷蒙德-罗伊尺度I/II),功能结果 (修改的兰金评分0-2),以及不良事件.
主要成果:
- 卷积技术包括简单卷积 (n=2),气球辅助 (n=3) 和支架辅助 (n=6).
- 所有9名可评估患者均在中位数13个月的随访期内实现了充分的闭塞和良好的功能结果;没有发生任何不良事件.
- 发现了特定的解剖相关性:ipsilateral VA接入有利于直线BA与逆侧支点效应,形动脉瘤有利于ipsilateral VA,形动脉瘤有利于逆侧VA接入. 也描述了VA原产地分类,以方便跨辐射接近.
结论:
- 脊髓关动脉形态显著地影响了在sSCAA卷轴中选择接入路线的决策过程.
- 根据详细的解剖学评估量身定制的方法可以带来成功的结果,并最大限度地减少治疗这些具有挑战性的动脉瘤的并发症.
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