术内动脉瘤流量分析预测在流量转移后内大和巨动脉瘤封闭
Yoshinari Osada1, Hiroyuki Sakata2, Masayuki Ezura1
1Department of Neurosurgery, National Hospital Organization Sendai Medical Center, Sendai, Miyagi, Japan.
Clinical neurology and neurosurgery
|February 20, 2025
概括
术内光流成像可以预测脑动脉瘤的流量转移器治疗结果. 在支架放置前和之后的较低平均动脉瘤流幅 (MAFA) 表明支架成功堵塞,指导潜在的策略变化.
科学领域:
- 神经外科 神经外科
- 干预性放射学 干预性放射学
- 医疗成像医学成像
背景情况:
- 不完全封闭的转流器 (FD) 治疗的动脉瘤存在破裂和血栓栓塞事件的风险.
- 在手术期间预测FD治疗结果仍然是一个挑战.
研究的目的:
- 调查手术内动脉瘤流量分析与FD治疗结果之间的关联.
- 评估光流成像在预测FD治疗成功中的实用性.
主要方法:
- 用FD治疗的大型内动脉动脉瘤患者的回顾性研究.
- 光流数字减去血管学 (DSA) 用于测量动脉瘤平均流动幅度 (MAFA) 在FD部署前后.
- 使用O'Kelly-Marotta (OKM) 评分在12个月后评估的动脉瘤封闭.
主要成果:
- 在12个月后,54.5%的患者实现了几乎完全的闭塞 (OKM等级C/D).
- 几乎完全封闭的患者在MAFA前和MAFA后的值显著降低.
- 闭塞组之间没有观察到MAFA比率的显著差异.
结论:
- 使用光流成像的术内动脉瘤流量分析是预测FD治疗结果的宝贵工具.
- 较低的MAFA值与更好的闭塞率相关.
- 这种分析可以为内部操作决策提供信息,例如添加FD层或线圈.
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