相关实验视频
Updated: Jul 25, 2025

06:11
Arterial Pouch Microsurgical Bifurcation Aneurysm Model in the Rabbit
Published on: May 14, 2020
2.4K
镜像内动脉瘤的破裂风险因素:基于形态和血液动力学参数的系统审查和元分析
Huang Yong-Wei1, Xiao-Yi Wang1, Zong-Ping Li1
1Department of Neurosurgery, Mian yang Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Mian yang, Sichuan, People's Republic of China.
PloS one
|June 23, 2023
概括
镜像内动脉瘤 (MIA) 存在破裂的风险. 较大的尺寸,尺寸比,尺寸比和不规则的形状增加了MIA破裂的风险,而破裂和未破裂病例之间的高度宽度比没有显著差异.
科学领域:
- 血管神经学 血管神经学
- 医疗成像医学成像
- 生物医学工程 生物医学工程
背景情况:
- 内动脉瘤 (IAs) 是一种常见的血管疾病,其结果可能是致命的.
- 镜像内动脉瘤 (MIA) 是对称的IA,它们破裂的危险因素也在讨论中.
- 了解MIA破裂风险因素对于临床管理至关重要.
研究的目的:
- 系统地审查和元分析与MIA破裂风险相关的形态和血液动力学参数.
- 为了澄清导致MIA破裂的有争议的因素.
主要方法:
- 对18项遵循PRISMA指导方针的回顾性研究进行了系统审查和元分析.
- 分析形态参数 (IA大小,视角比 [AR],尺寸比 [SR],瓶因子 [BNF],高度宽度比 [HWR],不规则形状) 和血液动力参数 (墙壁剪切应力 [WSS],低WSS区域 [LSA],振荡剪切指数 [OSI]).
主要成果:
- 对647名患者 (1294名IA) 的元分析显示,破裂和未破裂的MIA之间IA大小,AR,SR和不规则形状的显著差异.
- 血液动力学参数WSS,OSI和LSA也显示出显著的差异.
- HWR在破裂和未破裂组之间没有显著差异.
结论:
- 更大的IA大小,更高的AR,SR和BNF与增加MIA破裂风险有关.
- 血动力学因素如WSS,OSI和LSA是破裂风险的重要指标.
- 需要进一步的多中心研究来验证这些发现,以改善临床决策.
相关概念视频
Aneurysm I: Introduction
16
An aortic aneurysm is a localized outpouching or dilation at a weak point in the artery wall. It may involve different parts of the aorta, such as the abdominal aorta, aortic arch, or thoracic aorta.Etiological factorsSeveral disorders are associated with aortic aneurysms.Congenital causes, such as primary connective tissue disorders like Marfan syndrome, impact the integrity and strength of connective tissues, notably affecting the aorta. Marfan syndrome is a genetic disorder that specifically...
16
Aneurysm III: Interprofessional Care
12
Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
12
Aneurysm II: Clinical Manifestations and Diagnostic Studies
11
Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
11

