自扩张性大动脉内置假体用于管道准备,在透气管肺替换之前进行
Kaitlyn Krebushevski1, Allison K Cabalka1,2, Peter M Pollak3
1Department of Pediatric and Adolescent Medicine/Division of Pediatric Cardiology, Mayo Clinic, Rochester, Minnesota, USA.
概括
一种新型的自我扩张的大动脉内置假体有效地准备了右心室外流通道 (RVOT) 进行跨导管肺置换 (TPVR). 这种方法显示了可行性和程序性成功,减少RVOT梯度和扩展管道而没有并发症.
科学领域:
- 心血管医学 心血管医学
- 干预心脏病学 干预心脏病学
- 医疗器械 医疗器械
背景情况:
- 准备右心室外流通道 (RVOT) 对于跨导管肺置换 (TPVR) 至关重要.
- 覆盖在RVOT中的支架放置将与TPVR之前扩展化导管相关的风险降至最低.
研究的目的:
- 提出一种使用自我扩张的覆盖性大动脉内置假体制备RVOT的新方法.
- 评估这种大动脉内置假体作为TPVR之前RVOT准备的替代策略的优点.
主要方法:
- 预期招募14名患有先天性心脏病的患者,他们正在使用GORE TAG胸部支部内置假体扩展器进行RVOT导管准备.
- 数据收集包括人口统计,诊断,程序细节,血液动力学参数和结果.
- 在穿透管肺置换 (TPVR) 之前立即放置内脏假体.
主要成果:
- 在TPVR之前,所有14名患者都取得了成功的内脏移植.
- 观察到RVOT缩梯度 (34 mmHg至3 mmHg) 的显著降低和明显的管道扩张 (13 mm至25.5 mm).
- 没有报告任何程序并发症.
结论:
- 自扩张的大动脉内置假体是TPVR前RVOT准备的可行选择.
- 这种方法在所有案件中都证明了程序上的成功.
- 需要进一步的比较研究来充分评估这一新的战略.
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