相关实验视频

Updated: Jul 1, 2025

Direct Pressure Monitoring Accurately Predicts Pulmonary Vein Occlusion During Cryoballoon Ablation

Direct Pressure Monitoring Accurately Predicts Pulmonary Vein Occlusion During Cryoballoon Ablation

Published on: February 26, 2013

压力导线对基于模型的FFR预测的影响

Alessia Lucca¹, Luigi Fraccarollo², Fredrik E Fossan³

¹Department of Mathematics, University of Trento, Via Sommarive, 14, 38123, Trento, Italy. alessia.lucca@unitn.it.

Cardiovascular engineering and technology

|March 4, 2024

概括

该研究发现,将压力导线纳入计算流体动力学 (CFD) 模型中,用于预测分量流量储量 (FFR),可以降低计算的FFR值,特别是在严重的冠状动脉狭窄症中. 在临床决策中,这种影响对中间狭窄病例最为相关.

科学领域:

心血管成像和血液动力学
计算流体动力学 (CFD) 是一种计算流体动力学.
医疗器械模拟医疗器械模拟

背景情况:

分数流量储备 (FFR) 侵入性地评估冠状动脉狭窄的严重程度,使用高血压下的压力导线.
将侵入性风险和成本降至最低,引发了人们对使用CT血管学 (CCTA) 的非侵入性,基于模拟的FFR方法的兴趣.
现有的CCTA衍生FFR模型往往忽略了导线对流动动学的影响.

研究的目的:

量化包括压力导线在CCTA衍生FFR模型中的影响.
评估导线存在如何影响模拟压力梯度和FFR预测.

主要方法:

一个CCTA衍生的FFR模型被用于患者特定的模拟.
对18名怀疑患有稳定冠状动脉疾病 (CAD) 的患者进行了带有和没有压力导线的模拟.

主要成果:

压力导线的包含倾向于在模拟中预测较低的FFR值.
由于导线的FFR减少在严重狭窄症中比中度狭窄症更为显著.

结论:

压力导线对FFR预测的影响在临床上最重要的是中间冠状动脉狭窄症.
在CFD模型中考虑导线可以完善中介损伤的FFR评估.

关键词:

在这里,我们可以看到CAD,CAD,CAD.在FFR中,FFR是FFR.压力导线是指导导线.

更多相关视频

Author Spotlight: Development of a Minimally Invasive Large-Animal Model for Reliable and Reproducible Cardiovascular Research

Author Spotlight: Development of a Minimally Invasive Large-Animal Model for Reliable and Reproducible Cardiovascular Research

Published on: October 20, 2023

Interventional Diagnostic Procedure: A Practical Guide for the Assessment of Coronary Vascular Function

Interventional Diagnostic Procedure: A Practical Guide for the Assessment of Coronary Vascular Function

Published on: March 15, 2022

相关概念视频

Pre-Procedural Guidelines for Assessing Blood Pressure

Pre-Procedural Guidelines for Assessing Blood Pressure

Accurate blood pressure assessment is crucial for diagnosing and managing various health conditions. To ensure the reliability of these measurements, healthcare professionals must adhere to standardized pre-procedural guidelines. These guidelines enhance patient safety and improve the overall quality of healthcare. The following steps are essential for obtaining accurate and consistent blood pressure readings, from using the appropriate tools to ensuring effective communication with the...