双层流量转移支架的幽灵扭曲
Sakyo Hirai1, Mariko Ishikawa1, Hirotaka Sagawa1
1Department of Endovascular Surgery, Tokyo Medical and Dental University, Tokyo, 113-8519, Japan.
Neuroradiology
|August 30, 2023
概括
流量转移器支架可以扭曲,现在已经认识到这是一个罕见的问题. 这项研究详细介绍了双层FRED支架中的"幽灵扭曲",导致血液流动问题,成功地用气球血管造形术治疗.
科学领域:
- 内血管神经外科手术 血管内血管神经外科
- 医疗器械技术 医疗器械技术
背景情况:
- 流量转移支架用于内动脉瘤.
- 在单层设备中报告了一种罕见的"幽灵扭曲"现象.
- 流量重定向内膜发光器件 (FRED) 具有独特的双层设计.
研究的目的:
- 报告使用双层FRED支架"幽灵扭曲"的第一个病例.
- 描述这种并发症的诊断结果和成功治疗.
主要方法:
- 在FRED部署后分析了两起急性静脉支架血流障碍的病例.
- 高分辨率的形束计算断层扫描 (CBCT) 用于诊断.
- 治疗包括气球血管整形.
主要成果:
- 在这两种情况下都观察到"幽灵扭曲",其中内部支架层未能扩张.
- 这种现象在CBCT上可视化,但不是常规血管学.
- 这两种病例都成功地用气球血管整形术治疗,显示出有利的结果.
结论:
- "幽灵扭曲"可以发生在双层FRED支架上.
- 这种结构问题可能是缺血并发症的基础.
- 高分辨率的CBCT对于诊断这种特定的支架形至关重要.
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