风险因素和预测模型对中度至严重的围膜泄漏在跨导管大动脉更换后的风险因素
Huajun Wang1, Xueda Wu1, Hang Zhang1
1Department of Cardiac Surgery, The Second Hospital of Hebei Medical University Shijiazhuang 050000, Hebei, China.
American journal of translational research
|January 17, 2025
概括
在过导管大动脉置换 (TAVR) 后,对中度至严重的围膜漏 (PVL) 风险因素的确定至关重要. 关键预测因素包括LVOT覆盖率指数,植入深度和患者解剖学,使得风险分层更好.
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:
- 严重的大动脉狭窄需要先进的干预措施,如跨导管大动脉置换 (TAVR).
- 周漏 (PVL) 是TAVR后的一个重大并发症,影响患者的治疗结果.
- 准确的PVL风险评估对于优化TAVR程序至关重要.
研究的目的:
- 为了确定与TAVR后中度至重度PVL相关的风险因素.
- 开发一种预测模型,用于识别高风险的TAVR后PVL患者.
主要方法:
- 对128名患有严重大动脉狭窄症的患者进行了回顾性分析,接受了TAVR.
- 超食管回声心电图用于测量大动脉吐和环状周长.
- 后勤回归分析以确定中度至重度PVL的独立风险因素.
主要成果:
- 确定了LVOT覆盖率指数,植入深度,LVEDd,大动脉角化,LVESD和化量作为PVL的独立风险因素 (P<0.05).
- 结合这些因素的预测模型在ROC分析中显示了0.911曲线下的面积.
- 51名患者患有中度至重度PVL,而77名患者患有轻度或没有PVL.
结论:
- 特定的解剖学和程序因素是TAVR后中度至重度PVL的显著预测因素.
- 开发的风险预测模型是分层PVL高风险患者的一个有价值的工具.
- 这些发现可以指导术前规划和对TAVR患者的选择.
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