从非阻塞性缩性心肌病中识别阻塞性缩性心肌病:基于心电图特征的模型的开发和验证
Lanyan Guo1, Zhiling Ma1, Weiping Yang1
1Department of Cardiology, Xijing Hospital, the Fourth Military Medical University, Xi'an, Shaanxi, China.
Global heart
|August 7, 2023
概括
使用P波间隔和SV1的新型心电图 (ECG) 模型可以区分阻塞性多变性心肌病 (HOCM) 与非阻塞性多变性心肌病 (HNCM). 这种工具有助于初始的HCM患者分类.
科学领域:
- 心脏病学 心脏病学
- 医学诊断 医学诊断 医学诊断
- 生物医学工程 生物医学工程
背景情况:
- 超性心肌病 (HCM) 在阻塞性 (HOCM) 和非阻塞性 (HNCM) 形式中呈现异质.
- 电心电图 (ECG) 是一种常见的查工具,但其用于初始HOCM/HNCM分类的实用性尚不清楚.
研究的目的:
- 开发一个实用模型,使用标准的12导电图特征进行初始HOCM/HNCM识别.
- 评估模型的诊断性能,校准和临床实用性.
主要方法:
- 来自172名HCM患者的前性数据用于培训和62人进行时间验证.
- 外部验证使用889个追溯收集的心电图样本 (390个HOCM,499个HNCM).
- 多变量逻辑回归用于构建预测模型.
主要成果:
- 十个心电图参数在HOCM和HNCM之间有显著差异 (P <0.05).
- 使用P波间隔和SV1的模型实现了0.805 (时间) 和0.776 (外部) 的HOCM/HNCM差异化的C统计.
- 模型证明了良好的校准和临床实用性.
结论:
- P波间隔和SV1模型有效地区分了HOCM和HNCM.
- 这种基于心电图的实用模型可以帮助初步分类HCM患者.
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