相关实验视频

Updated: Jul 25, 2025

Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations

Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations

Published on: October 20, 2017

时间的实用性解决了磁共振血管学在区分血管形的有用性

Biraj Bista¹, Abueleneen Yousra¹, Thangavijayan Bosemani¹

¹University of California, Orange, 101 The City Drive South, Orange, CA 92868, United States of America.

Clinical imaging

|June 26, 2023

概括

时间分辨率MR血管学 (TR-MRA) 有效地评估血管形 (VMs) 没有辐射. 这种非侵入性技术准确地描述了VM流量,有助于对高流量病例的治疗规划.

科学领域:

放射学和成像学放射学和成像学
心血管成像 - 心血管成像
非侵入性的诊断技术

背景情况:

针对血管形 (VMs) 的传统血管造影包括电离辐射.
评估VMs的血液动力学特征对于有效的治疗规划至关重要.

研究的目的:

为了证明时间分辨率MR血管学 (TR-MRA) 的实用性,作为VM评估传统血管学的非侵入性替代品.
评估TR-MRA对VM流动动力学的表征能力.

主要方法:

对3项特斯拉 (3T) MRA研究的回顾性分析,包括3D对比增强TR-MRA和3DCE-MRA.
由两名心血管放射科医生进行盲目审查,以评估VM特征:流量,大小,类型,食/排水器和血栓.
在接受两种手术的患者中,TR-MRA发现与导管血管学 (CA) 的比较.

主要成果:

总共有69名VM患者被纳入;25人有确认的CA.
TR-MRA将虚拟机分为高流量 (19),缓慢流量 (47),淋巴发育不良 (2) 和无流量 (1).
在TR-MRA和CA发现之间观察到100%的一致性.

结论:

TR-MRA提供了虚拟机的功能特征,超过了传统的CE-MRA.
这些功能信息对于优化处理策略至关重要,特别是在高流量虚拟机中.

关键词:

动脉静脉形形发生对比度增强MR血管学数字减去血管学图.时间解析的MR血管图.血管形发生在血管上

更多相关视频

Retrograde Perfusion and Filling of Mouse Coronary Vasculature as Preparation for Micro Computed Tomography Imaging

Retrograde Perfusion and Filling of Mouse Coronary Vasculature as Preparation for Micro Computed Tomography Imaging

Published on: February 10, 2012

Fluorescence Angiography for Evaluation of Aneurysm Perfusion and Parent Artery Patency in Rat and Rabbit Aneurysm Models

Fluorescence Angiography for Evaluation of Aneurysm Perfusion and Parent Artery Patency in Rat and Rabbit Aneurysm Models

Published on: July 24, 2019

相关概念视频

Magnetic Resonance Imaging

Magnetic Resonance Imaging

Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...