宫动脉扭曲 - - 一种可靠的基于磁共振的半自动化磁共振方法
Lukas Mayer-Suess1, Tamara Peball1, Sergiy Pereverzyev2,3
1Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria.
Quantitative imaging in medicine and surgery
|February 28, 2024
概括
一种新方法可靠地从MRA图像中评估宫动脉曲,为诊断连接组织疾病和研究自发宫动脉剖析 (sCeAD) 提供了更简单的方法. 这种技术显示出比视觉评估更高的准确性.
科学领域:
- 放射学 放射学是一门学科.
- 血管成像 血管成像
- 结合组织疾病 结合组织疾病
背景情况:
- 评估亚临床连接组织疾病往往需要复杂的方法.
- 需要更容易获得的临床常规方法.
- 宫血管形与结缔组织疾病有关.
研究的目的:
- 开发一种可靠的方法来评估宫动脉扭曲度.
- 创建一种适用于临床常规的方法.
- 调查宫动脉扭曲与宫动脉自发剖析 (sCeAD) 之间的关联.
主要方法:
- 利用了ReSect研究队列中的磁共振血管造影 (MRA) 图像.
- 雇佣了 MATrix LABoratory,ITK-SNAP 和血管建模工具包用于图像细分和分析.
- 评估了用户之间的变异性,并将结果与专家神经放射科医生的视觉评估进行了比较.
主要成果:
- 分析了526个外椎动脉.
- 实现了0.5%以下的用户间变化.
- 与视觉扭曲度评估相比,开发的方法显示出更高的准确性,在很大一部分情况下,视觉扭曲度评估低估了距离度量.
结论:
- 本文介绍了一种可靠的基于MRA的方法,用于评估宫动脉扭曲度.
- 该方法适用于临床常规和研究.
- 它可以帮助未来调查sCeAD和结缔组织疾病之间的相关性.
相关概念视频
Equipments Used To Measure Blood Pressure
3.4K
Direct Method
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
This invasive approach involves cannulating a peripheral artery. During each cardiac contraction, pressure generates mechanical motion within the catheter, transmitted through rigid, fluid-filled tubing to a transducer. This transducer converts mechanical motion into electrical signals displayed as waveforms on a monitor. An automatic flushing system prevents blood backflow. Due to the potential risk of unexpected arterial blood loss, this method is primarily used in intensive...
3.4K
Assessment of blood pressure in brachial artery(one-step method)
1.4K
This procedural guide systematically measures blood pressure using an oscillometric digital sphygmomanometer, emphasizing accuracy, patient safety, and comfort.
Prepare for the Procedure:
Prepare for the Procedure:
1.4K
Assessment of blood pressure in brachial artery(two-step method)
2.1K
Measuring blood pressure is a fundamental skill in healthcare that aids in diagnosing and monitoring hypertension and other cardiovascular conditions. An aneroid sphygmomanometer, commonly used in clinical settings, offers a manual and precise method for blood pressure measurement. The technique for using this instrument involves specific steps that must be carefully executed to ensure accuracy. The following detailed description outlines a two-step technique for assessing blood pressure using...
2.1K
Assessing Blood pressure using a doppler ultrasound
3.0K
To obtain accurate blood pressure measurements in clinical settings, especially when traditional methods are insufficient, healthcare professionals utilize the Doppler ultrasound technique. This method uses high-frequency sound waves to detect blood flow within the arteries, which is crucial for patients with conditions that complicate circulatory system assessment.
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:
3.0K
Imaging Studies for Cardiovascular System IV: CMRI
541
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,...
541


