相关实验视频

Updated: Sep 13, 2025

Longitudinal In Vivo Imaging of the Cerebrovasculature: Relevance to CNS Diseases

Longitudinal In Vivo Imaging of the Cerebrovasculature: Relevance to CNS Diseases

Published on: December 6, 2016

血管架构成像显示了脑小血管疾病中的微血管稀疏和毛细血管转移到动脉

Paulien Hm Voorter^1,2, Maud van Dinther^3,4, Gerhard S Drenthen^1,2

¹Department of Radiology and Nuclear Medicine, Maastricht University Medical Center, Maastricht, the Netherlands.

Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism

|July 31, 2025

概括

大脑小血管疾病涉及微血管密度降低和较大的血管大小,表明微血管稀缺. 血管架构成像可以为未来的治疗提供早期检测.

科学领域:

神经学神经学
血管生物学血管生物学
医疗成像医学成像

背景情况:

大脑小血管疾病 (CSVD) 通常使用晚期成像标记物,如白质超强度来诊断.
在CSVD早期的微血管变化仍然不太了解.
了解这些早期变化对于及时干预和治疗开发至关重要.

研究的目的:

用先进的成像技术在体内研究CSVD患者的微血管变化.
在CSVD患者和健康对照者之间比较血管结构,密度和半径.
探索微血管变化和白质超强度之间的关系.

主要方法:

展望性,横截面研究涉及40名CSVD患者和21名对照.
使用3TMRI与血管架构成像来量化微血管密度,半径和类型组成.
分析了皮层灰质,正常出现的白质和白质超强度.

主要成果:

与对照组相比,CSVD患者的血管密度显著降低,微血管半径更大.
在患者的灰色和白色物质中观察到向较大的血管 (动脉) 和远离毛细血管的转移.
白质的超强度显示血管密度降低,半径增加,与正常出现的白质相比.

结论:

微血管稀缺是CSVD病理生理学的关键特征.
在CSVD中改变血管结构可能导致血液流动,营养物质输送和废物清除效率低下.
血管架构成像显示出作为CSVD早期生物标志物和评估微血管生长疗法的前景.

关键词:

毛细管缩小的方法 perfusion perfusion 输液磁力共振成像磁力共振成像血管形态学血管形态学船舶尺寸成像技术的使用.白质病变 - 白质病变的病变

更多相关视频

A Volumetric Method for Quantification of Cerebral Vasospasm in a Murine Model of Subarachnoid Hemorrhage

A Volumetric Method for Quantification of Cerebral Vasospasm in a Murine Model of Subarachnoid Hemorrhage

Published on: July 28, 2018

Assessing Cortical Cerebral Microinfarcts on High Resolution MR Images

Assessing Cortical Cerebral Microinfarcts on High Resolution MR Images

Published on: November 20, 2015

相关概念视频

Imaging Studies VII: Vascular Imaging

Imaging Studies VII: Vascular Imaging

DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...

Imaging Studies for Cardiovascular System IV: CMRI

Imaging Studies for Cardiovascular System IV: CMRI

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,...