大动脉在患有左心室辅助装置的患者身上开放大动脉的潜在好处
Elena Romero Dorta1,2,3, Robert Meyn2,4,5, Markus Müller2,4
1Department of Cardiology, Angiology and Intensive Care, Deutsches Herzzentrum der Charité (DHZC), Berlin, Germany.
Artificial organs
|October 25, 2024
概括
在离心左心室辅助器件 (cfLVADs) 的患者中,保持主动脉开口 (AVO) 与更好的结果有关. AVO与改善右心室功能和减少大动脉反 (AR) 有关.
科学领域:
- 心脏病学 心脏病学
- 医疗器械 医疗器械
- 心脏衰竭管理的管理
背景情况:
- 大动脉反 (AR) 是一种已知的并发症,患有离心左心室辅助器件 (cfLVADs) 的患者.
- 大动脉 (AV) 间歇性打开失败可能导致尖端重塑和AR.
- 了解保存 AV 开放 (AVO) 的决定因素对于改善 cfLVAD 结果至关重要.
研究的目的:
- 在cfLVAD植入后6个月,对保存AVO的患者进行表征.
- 为了确定与AVO相关的临床和心声学因素.
主要方法:
- 在植入后6个月进行标准化心声回声和临床数据收集.
- 将患者分为AVO (间歇性打开) 和无AVO (NAVO) 组.
- 多重后勤回归分析以确定AVO的预测因素.
主要成果:
- 64%的患者 (99/156) 在6个月后表现出AVO.
- AVO患者的平均动脉压更高,LV末端-透气直径更大,TAPSE更好.
- AVO与显著AR的发病率较低相关 (6%与20%相比).
- 较低的NYHA类,较大的LVEDD和更好的LV喷射率预测了AVO.
结论:
- AVO与改善右心室功能,较低的NYHA类和显著减少AR相关.
- 在cfLVAD患者中,保存AVO可能是理想的目标.
- 在3.2年的随访后,根据AVO状态,没有观察到对生存的显著影响.
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