超声波编码刺激成像用于复杂的内血管大动脉修复后内皮膜检测
Amun Hofmann1, Irene Mlekusch1, Georg Wickenhauser1
1Department of Vascular and Endovascular Surgery, Klinik Ottakring, Vienna, Austria.
概括
编码激发超声波 (B-Flow) 显示,在窗体内血管大动脉修复后检测内泄漏有希望. 虽然B-Flow总体上很好,但与CEUS和CTA相比,B-Flow可能会错过一些最终泄漏.
科学领域:
- 血管外科 血管外科
- 医疗成像医学成像
- 心血管技术的心血管技术
背景情况:
- 窗口内血管大动脉修复 (FEVAR) 需要对内脏泄漏进行监测.
- 目前的成像方法有局限性,包括辐射和对比度的使用.
- B-Flow超声波为内泄漏检测提供了一个非侵入性的替代方案.
研究的目的:
- 评估B-Flow超声波在复杂的内血管大动脉修复后检测内泄漏的疗效.
- 为了比较B-Flow与计算机断层扫描血管造影 (CTA),双重超声波 (DUS) 和对比增强超声波 (CEUS) 的性能.
主要方法:
- 包括在FEVAR或T/FEVAR后接受随访的患者.
- B-Flow超声波与CTA,DUS和CEUS进行了比较,以检测和表征内泄漏.
- 评估了一致性和可靠性,血管造影用于子集中的外部验证.
主要成果:
- 在44.7%的B-Flow研究中检测到Endoleaks,主要是II型.
- B-Flow显示了与其他模式的良好一般一致 (>80%).
- B-Flow显示强烈一致 (94.5%) 与CEUS对内泄漏分类,尽管与CEUS和CTA相比,一些内泄漏错过了.
结论:
- B-Flow超声波是一种可行的工具,用于FEVAR后的泄漏监测,减少辐射和对比风险.
- 它提供了一种简化的方法来检测和表征内泄漏.
- 进一步调查可能会加强其在维修后监测中的作用.
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