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相关概念视频

Imaging Studies for Cardiovascular System IV: CMRI01:21

Imaging Studies for Cardiovascular System IV: CMRI

135
Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
135
Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

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Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
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  11. 形成心血管磁共振质量:受训者和专家对细分方法的比较研究

形成心血管磁共振质量:受训者和专家对细分方法的比较研究

Jan Gröschel1,2,3,4, Thomas Hadler1,2,3, Leonhard Grassow1,2,3

  • 1Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, ECRC Experimental and Clinical Research Center, Berlin, Germany.

CJC open
|September 2, 2025

相关实验视频

Quantification of Mouse Heart Left Ventricular Function, Myocardial Strain, and Hemodynamic Forces by Cardiovascular Magnetic Resonance Imaging
11:13

Quantification of Mouse Heart Left Ventricular Function, Myocardial Strain, and Hemodynamic Forces by Cardiovascular Magnetic Resonance Imaging

Published on: May 24, 2021

6.5K
Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation
08:10

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation

Published on: July 20, 2022

1.8K
A Comprehensive Protocol for Manual Segmentation of the Medial Temporal Lobe Structures
12:30

A Comprehensive Protocol for Manual Segmentation of the Medial Temporal Lobe Structures

Published on: July 2, 2014

20.5K

在PubMed 上查看摘要

概括
此摘要是机器生成的。

心血管磁共振 (CMR) 训练显著影响细分精度. 即使经过简短的指导,初学者和中级人员也实现了专家级别的室内定量,尽管心肌细分的差异凸显了持续培训和质量保证的需要.

科学领域:

  • 心脏病学
  • 医学成像
  • 放射学

背景情况:

  • 心血管磁共振 (CMR) 是一个关键的心血管成像 (CVI) 工具.
  • 培训的局限性阻碍了CMR的广泛采用和有效使用.
  • 这项研究调查了CVI经验如何影响CMR细分质量.

研究的目的:

  • 分析心血管成像 (CVI) 经验对CMR细分的影响.
  • 建立CMR培训和监督的质量标准.
  • 评估不同经验水平的细分性能.

主要方法:

  • 四名CMR专家确定了黄金标准的心室轮.
  • 46名读者 (初学者,中级,专家) 在短时间的教学课程后进行了细分.
  • 用子相似系数 (DSC) 来比较细分精度和分析偏差.

主要成果:

  • 观察到细分精度的显著差异,特别是左心室 (LV) 内心和心肌轮,以及右心室 (RV) 轮.
  • 专家们在大多数指标上都获得了较高的DSC分数.
  • 不一致主要与基底切片的处理有关,并没有显著影响整体体积和功能的测量.

结论:

相关实验视频

Quantification of Mouse Heart Left Ventricular Function, Myocardial Strain, and Hemodynamic Forces by Cardiovascular Magnetic Resonance Imaging
11:13

Quantification of Mouse Heart Left Ventricular Function, Myocardial Strain, and Hemodynamic Forces by Cardiovascular Magnetic Resonance Imaging

Published on: May 24, 2021

6.5K
Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation
08:10

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A Comprehensive Protocol for Manual Segmentation of the Medial Temporal Lobe Structures
12:30

A Comprehensive Protocol for Manual Segmentation of the Medial Temporal Lobe Structures

Published on: July 2, 2014

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  • 一个简短的,标准化的教学课程使初学者和中级人员能够达到与专家相比的室内量化.
  • 持续存在的细分差异,特别是 LV 质量和 RV,需要持续培训.
  • 建议实施自动化质量保证方法,以进一步提高CMR细分的一致性.