多方向壁剪压与孤立的冠状动脉脱血症中血栓风险有关
Jiejun Sun1,2, Muyun Tang1,2, Shitong Liu3
1Department of Cardiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing.
Frontiers in cardiovascular medicine
|December 4, 2025
概括
孤立冠状动脉脱动 (iCAE) 中的血栓形成风险与改变的多方向壁剪应力 (WSS) 有关. 特定的WSS指标,如相对居住时间和横向WSS可以识别患有更高风险的患者,改善血栓形成分层.
科学领域:
- 心血管医学 心血管医学
- 生物医学工程 生物医学工程
- 医疗成像医学成像
背景情况:
- 血栓形成是孤立冠状动脉脱动 (iCAE) 的危险并发症.
- 血液动力学变化,特别是改变的壁切应力 (WSS),与iCAE血栓形成有关.
- 在iCAE中,血流多方向性,WSS和血栓形成之间的关系需要进一步定义.
研究的目的:
- 为了研究多方向壁切压力 (WSS) 度量与孤立冠状动脉脱血症 (iCAE) 患者的血栓形成之间的关联.
- 确定特定的WSS参数是否可以预测iCAE中的血栓形成风险.
主要方法:
- 对34名患有ICAE的患者的回顾性分析,包括53名冠状动脉突出.
- 冠状动脉的三维重建和计算流体动力学 (CFD) 分析.
- 评估多向WSS指标:TAWSS,OSI,RT,transWSS,CFI和TSVI在ectatic细分市场中的使用情况.
主要成果:
- 与没有血栓形成的患者相比,患有ICAE和血栓形成的患者的TAWSS,OSI,RRT,transWSS,CFI和TSVI平均值显著更高.
- 相对居住时间 (RRT) 和横向WSS (transWSS) 在iCAE中独立与血栓形成风险相关.
- 综合RRT和transWSS模型在识别血栓形成风险 (AUC=0.911) 与最大血管直径 (AUC=0.789) 相比,显示出更高的准确性.
结论:
- 多向WSS指标是识别有高血栓形成风险的ICAE患者的有价值指标.
- 这些血液动力学参数可以提高ICAE中血栓形成的风险分层.
- 这些发现表明,CFD衍生的WSS分析在管理易患血栓的ICAE患者中可能发挥作用.
更多相关视频
07:51Implantation of a Carotid Cuff for Triggering Shear-stress Induced Atherosclerosis in Mice
Published on: January 13, 2012
20.9K
06:18Intravascular Ultrasound Image-Based Finite Element Modeling Approach for Quantifying In Vivo Mechanical Properties of Human Coronary Artery
Published on: December 6, 2024
972
相关概念视频
01:26Coronary Artery Disease II: Pathophysiology
342
Coronary Artery Disease (CAD) originates from a series of events that impair the function of coronary arteries, the blood vessels responsible for delivering oxygen-rich blood to the heart muscle. The pathophysiology of CAD is closely linked to atherosclerosis, a chronic inflammatory and lipid-driven condition affecting the vascular endothelium.1. Endothelial DamageThe process begins with damage to the vascular endothelium, which serves as a protective barrier between the blood and the vessel...
342
01:30Coronary Artery Disease I: Introduction
850
Coronary Artery Disease (CAD): An Overview with Scientific InsightsCoronary Artery Disease (CAD), often referred to as C-A-D, is a prevalent blood vessel disorder classified under the broader category of atherosclerosis. Atherosclerosis is a pathological process characterized by the hardening and narrowing of arteries due to the accumulation of atherosclerotic plaques. These plaques are composed of cholesterol, fatty substances, inflammatory cells, calcium, and fibrin, reducing blood flow to...
850
01:30Acute Coronary Syndrome III: Diagnostic Studies
199
Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
199