在左前庭尾闭塞后的伪迁移:一系列案例突出了新的诊断陷
Pedro J Diaz Delgado1, Aashish Katapadi2, Rajesh Kabra1
1Kansas City Heart Rhythm Institute, Overland Park, Kansas, USA.
JACC. Case reports
|February 19, 2026
概括
左心房附属体封闭 (LAAO) 伪迁移可能由于胸前外心声学限制而发生. 确认成像对于避免误诊器件栓塞和防止不必要的干预至关重要.
科学领域:
- 心脏病学 心脏病学
- 医疗成像医学成像
背景情况:
- 左心房尾阻塞 (LAAO) 是一种已建立的中风预防方法,用于心房患者不适合抗凝药.
- 装置栓塞是LAAO的罕见但严重的并发症,通常发生在手术后24小时内.
研究的目的:
- 描述一个新发现的成像陷,伪迁移,以LAAO为名.
- 强调确认成像的重要性,以区分伪迁移与真正的栓塞.
主要方法:
- 报告了两起病例,其中胸前心电回声学 (TTE) 建议LAAO后设备迁移.
- 通过穿食管回声心脏成像和心脏计算机断层扫描确认设备的稳定位置,排除栓塞.
主要成果:
- 在TTE上明显的设备迁移在两种情况下都被确定为伪迁移.
- 确认性成像显示,周周器件没有泄漏或栓塞,患者在临床上保持稳定.
结论:
- 胸外心声学在评估设备位置在前面面向的左心房附属部分方面存在局限性.
- 识别LAAO伪迁移可以防止错误诊断和不必要的干预,突出需要标准化的确认成像协议.
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