在ST升高心肌梗塞后,改善了对心声学隐藏的左心室血栓的检测
Martin Reindl1, Ivan Lechner1, Magdalena Holzknecht1
1University Clinic of Internal Medicine III, Cardiology and Angiology, Medical University of Innsbruck, Anichstrasse 35, A-6020 Innsbruck, Austria.
在ST升高心肌梗塞 (STEMI) 后检测隐藏的左心室血栓 (LVT) 是至关重要的. 16段的尖壁运动分数 (AWMS16Seg) 有效地预测了这些胸前心电回声-隐形LVT.
科学领域:
- 心脏病学 心脏病学
- 医疗成像医学成像
- 心血管研究研究心血管研究
背景情况:
- 患有ST升高心肌梗塞 (STEMI) 的患者面临左心室血栓塞 (LVT) 的高风险.
- 在STEMI后的LVT并发症中,高达65%的LVT并发症可以通过跨胸腔心声扫描 (TTE) 错过,称为TTE隐蔽LVT.
研究的目的:
- 在STEMI患者中确定TTE-隐性LVT的预测因子.
- 开发一个临床模型,以提高检测TTE-隐藏的LVT.
主要方法:
- 870名STEMI患者在心脏病发作后3天接受了TTE和心脏磁共振 (CMR) 成像.
- 分析包括临床因素 (BMI,峰值热素T) 和心声学参数 (射出分数,尖壁运动得分 - AWMS).
- CMR作为LVT检测的参考标准.
主要成果:
- 37名患者 (4%) 通过CMR检测到LVT;25名 (68%) 是TTE隐藏的.
- 16段的尖壁运动得分 (AWMS16Seg) 显示了TTE-occult LVT的最高预测有效性 (AUC:0.91).
- 具有≥8的AWMS16Seg截止值,可以实现100%的灵敏度和77%的特异性来检测TTE-隐形LVT.
结论:
- AWMS16Seg是一个简单的,强大的预测TTE-隐藏LVT后STEMI.
- 基于AWMS16Seg的算法可以使用额外的CMR成像优化LVT检测.
更多相关视频
18:11A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis
Published on: December 28, 2012
12:15Tissue Preparation Techniques for Contrast-Enhanced Micro Computed Tomography Imaging of Large Mammalian Cardiac Models with Chronic Disease
Published on: February 8, 2022
相关概念视频
Imaging Studies for Cardiovascular System II:Types of Echocardiography
Types of Echocardiography
Transthoracic Echocardiography (TTE)
TTE is the most common type of echocardiogram which involves placing a transducer on the patient's chest, emitting sound waves to create heart images. TTE is invaluable for evaluating the heart's size, structure, and motion, making it particularly useful for...
Acute Coronary Syndrome III: Diagnostic Studies
Mitral Stenosis II: Clinical features and Diagnostic Tests
Effects of EDTA on End-Point Detection Methods
In the visual method, metal-ion indicators (metallochromic dyes), which have distinct colors in their free and complex forms, are added to the mixture to signal the titration's end point. They form stable complexes with metal ions, but these complexes are weaker than the corresponding metal–EDTA complexes. As a...
Imaging Studies for Cardiovascular System V: CT
