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在STEMI患者中开发左心室血栓形成风险预测模型

Jingjing Wang¹, Ping Ma², QingBin Xu²

¹Department of Critical Care Medicine, People's Hospital of Ningxia Hui Autonomous Region, Ningxia Medical University, Yinchuan, China.

Frontiers in cardiovascular medicine

|February 20, 2026

概括

这项研究开发了一种风险模型,用于预测ST段升高心肌梗塞 (STEMI) 患者的左心室血栓 (LVT). 该模型使用七个临床因素来识别高风险个体,有助于早期干预.

科学领域:

心脏病学心脏病学
医学诊断医学诊断医学诊断
预测建模预测建模

背景情况:

左心室血栓 (LVT) 是ST段升高心肌梗塞 (STEMI) 的严重并发症.
准确的风险分层对于及时干预和改善患者结果至关重要.
现有的模型可能无法完全捕捉到在STEMI患者中导致LVT形成的复杂因素.

研究的目的:

开发和验证一种可靠的风险预测模型,用于在患有急性STEMI的患者中形成LVT.
确定与该患者群体中LVT发展相关的关键临床变量.
为临床医生创建一个实用的工具来分层 LVT 风险.

主要方法:

对STEMI患者的回顾性分析 (2017年10月至2020年10月) 根据心声图分类为LVT (n=50) 和无LVT (n=130) 组.
后勤回归分析 (单因素,拉索,多因素) 以确定风险因素.
开发基于nomogram的风险预测模型,并使用交叉验证,k-fold,leave-one-out和bootstrap方法进行内部验证.

主要成果:

一个多变量逻辑回归模型确定了七个LVT的独立预测因素:MCV,D-二次体,CRP,LVEF,A波速,心周溢血和前壁梗塞.
该模型表现出强大的预测性能,C指数为0.966和ROC曲线下的面积 (AUC) 为96.6% (内部验证).
在不同的验证技术中,模型准确度从0.899到0.926不等.

结论:

在急性STEMI中,MCV,D-二次体,CRP,LVEF,A波速,心周溢血和前壁梗塞是LVT的显著独立预测因素.
开发的风险预测模型表现出优异的歧视和校准,适合在STEMI患者中进行LVT初步风险分层.
诺米图提供了一个用户友好的可视化来评估个体患者的风险.

关键词:

急性ST段升高心肌梗塞心肌梗塞左心室血栓的发生这是一个名字,名ogramogram.有关风险因素的风险因素.风险预测模型的风险预测模型

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