相关实验视频

Updated: Feb 28, 2026

Intravascular Ultrasound Image-Based Finite Element Modeling Approach for Quantifying In Vivo Mechanical Properties of Human Coronary Artery

Intravascular Ultrasound Image-Based Finite Element Modeling Approach for Quantifying In Vivo Mechanical Properties of Human Coronary Artery

Published on: December 6, 2024

在稳定的冠状动脉疾病中对冠状动脉狭窄的评估进行全球心肌工作衍生性诺摩图:开发和外部验证

Miao Li¹, Wenfang Wu¹, Lin Li¹

¹Department of Cardiovascular Ultrasound, Nanjing First Hospital, Nanjing Medical University, 68 Changle Road, Nanjing 210006, China.

Diagnostics (Basel, Switzerland)

|February 27, 2026

概括

一种使用心肌工作效率和生物标志物的新型诺米图准确预测在没有壁运动异常的患者中冠状动脉疾病 (CAD). 这种非侵入性工具有助于风险分层,并优化稳定的CAD的诊断决策.

科学领域:

心脏病学心脏病学
医疗成像医学成像
诊断工具诊断工具

背景情况:

在稳定的冠状动脉疾病 (CAD) 患者中,缺乏区域壁运动异常 (RWMA) 的冠状动脉狭窄的非侵入性鉴定是困难的.
目前的诊断方法可能涉及侵入性手术,带来风险并增加医疗保健成本.
需要准确的,非侵入性的工具来评估这种特定患者群体的狭窄症严重程度.

研究的目的:

开发和验证使用心肌工作衍生参数和临床生物标志物的名图,以预测显著的冠状动脉狭窄.
为在没有RWMA的稳定CAD患者中提供风险分层的非侵入性工具.
为了优化使用侵入性诊断程序.

主要方法:

对181名确诊CAD,保存LVEF和没有休息RWMA的患者进行了回顾性研究.
全球心肌工作效率 (GWE) 通过心声回声压力-应变循环分析进行评估.
开发和外部验证一个包含GWE和生物标志物的多变量名录 (LP-PLA2,NT-proBNP,Scr).

主要成果:

纳入GWE,LP-PLA2,NT-proBNP和Scr的名录显示出高的预测准确性 (AUC为0.916培训,0.911验证).
该模型在训练和验证组中都表现出良好的校准.
决策曲线分析证实了跨越各种概率值的诺姆图的临床实用性.

结论:

开发的诺米图提供了一种有价值的非侵入性方法,用于预测没有RWMA的稳定CAD患者的显著冠状动脉狭窄.
这种工具可以帮助进行手术前风险分层,并提高侵入性诊断测试的效率.
这些发现支持将心肌工作分析纳入选定的CAD患者的常规临床实践.

关键词:

冠状动脉疾病是一种冠状动脉疾病.心肌工作效率的工作效率.这个名字是名ogramogram.非侵入性评估是一种非侵入性评估.风险分层的风险分层.

更多相关视频

In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography

In Vivo Quantitative Assessment of Myocardial Structure, Function, Perfusion and Viability Using Cardiac Micro-computed Tomography

Published on: February 16, 2016

Semi-Minimal Invasive Method to Induce Myocardial Infarction in Rats and the Assessment of Cardiac Function by an Isolated Working Heart System

Semi-Minimal Invasive Method to Induce Myocardial Infarction in Rats and the Assessment of Cardiac Function by an Isolated Working Heart System

Published on: June 11, 2020

相关概念视频

Acute Coronary Syndrome III: Diagnostic Studies

Acute Coronary Syndrome III: Diagnostic Studies

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...