估计左心房压力使用透析截止值经过跨导管中枢边缘到边缘修复后
Yoav Niv Granot1, Giulia Passaniti1, Samin Sharma1
1Mount Sinai Fuster Heart Hospital, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA.
Journal of clinical medicine
|June 26, 2025
概括
透气管中枢边缘到边缘修复 (M-TEER) 改变了透气的参数. 对于 E 波速和 E/e 的新切割值.
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
- 医疗成像医学成像
背景情况:
- 横导管 mitra 边缘到边缘修复 (M-TEER) 是减少 mitra 反 (MR) 严重性和改善患者症状的关键干预措施.
- 在M-TEER后,对左心房压 (LAP) 的早期术后评估仍然是一个临床挑战.
研究的目的:
- 为了研究M-TEER对关键透析参数的影响.
- 通过使用易于获得的透气度量来推导和验证用于估计术后LAP的新切线值.
主要方法:
- 对接受M-TEER的240名患者进行了回顾性分析.
- 在手术后的30天内评估透析参数 (例如,E/e,E波速度) 的变化.
- 分类树分析以确定正常LAP的预测切割值,根据已确定的方法进行验证.
主要成果:
- 在正常和异常的左心室喷射率 (LVEF) 组中,M-TEER显著增加了E/e'比.
- 确定了E波速和E/e'的特定切线值,以预测正常的术后LAP,具有高特异性和积极的预测值.
- 当与现有的非侵入性方法进行验证时,衍生出的截止值显示出高准确性 (正常LAP为96%,高LAP为90%).
结论:
- M-TEER 诱导了扩张性参数的显著改变.
- 导出的截止值显示了对术后LAP的非侵入性估计的潜力.
- 在广泛采用这些新的截止值之前,需要进一步的临床验证.
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