单独的动脉瘤部对于分析血液动力学和预测内动脉瘤的不稳定性至关重要
Yudi Tang1, Haining Wei2, Zihao Zhang3,4,5
1Departement of Neurosurgery, Beijing Tiantan Hospital and Beijing Neurosurgical Institute, Capital Medical University, Beijing, China.
Annals of medicine
|August 4, 2025
概括
父母动脉的配置会影响内动脉瘤的血液动力学和炎症. 两叉和侧壁动脉瘤显示明显的壁切应力 (WSS) 与炎症的相关性,改善破裂风险预测.
科学领域:
- 神经成像是一种神经成像.
- 生物医学工程 生物医学工程
- 心血管研究研究心血管研究
背景情况:
- 血液动力学,包括高和低壁切削应力 (WSS),通过损伤和炎症驱动动脉瘤的生长和破裂.
- 父母动脉的配置 (分叉与侧壁) 严重影响动脉瘤部的血液动力学.
- 这一因素在目前基于血液动力学的动脉瘤风险评估中被低估了.
研究的目的:
- 为了研究父动脉类型对瘤部WSS和炎症之间的关系的影响.
- 为了确定区域血液动力学评估是否能改善动脉瘤破裂风险预测.
主要方法:
- 对55名参与者的56个未破裂的内动脉瘤进行前性分析,使用7.0TMRI.
- 动脉瘤炎症和不稳定性的量化使用动脉瘤与垂体茎对比率 (CRstalk).
- 通过四维 (4D) 流动MRI评估血液动力学参数.
主要成果:
- 与CRstalk相比,动脉瘤部的血液动力学特征与整个动脉瘤不同.
- 在分支动脉瘤中观察到WSS和CRstalk之间的显著负相关性 (p=0.004).
- 在侧壁动脉瘤中发现了WSS和CRstalk之间的显著正相关性 (p=0.010).
- 在23例动脉瘤中,在整个动脉瘤和部区域之间发现了不一致的WSS-CRstalk相关性.
结论:
- 动脉瘤的位置 (分叉或侧壁) 显著改变了WSS-CRstalk相关性,特别是在动脉瘤部.
- 动脉瘤部区域血液动力学评估提供了一种新的策略,可以提高破裂风险的预测.
更多相关视频
18:50Microsurgical Clip Obliteration of Middle Cerebral Aneurysm Using Intraoperative Flow Assessment
Published on: September 25, 2009
13.8K
11:58Minimally Invasive Thumb-sized Pterional Craniotomy for Surgical Clip Ligation of Unruptured Anterior Circulation Aneurysms
Published on: August 11, 2015
15.6K
相关概念视频
01:26Aneurysm III: Interprofessional Care
26
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...
26
01:30Aneurysm I: Introduction
25
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...
25
01:26Arteries of the Head and Neck
1.8K
The human body's intricate network of arteries ensures that every organ system receives the necessary oxygen and nutrients for optimal function. The arterial network in the head and neck region is particularly complex, providing vital blood flow to the brain, eyes, and other critical structures. Prominent arteries in this region include the internal carotid arteries and the vertebral arteries.
The internal carotid arteries supply blood to the anterior portion of the cerebrum. They enter the...
The internal carotid arteries supply blood to the anterior portion of the cerebrum. They enter the...
1.8K
01:22Aneurysm IV: Nursing Management
20
Vigilant monitoring for aneurysm rupture is essential for patients undergoing aortic surgery.Preoperative Nursing ManagementContinuously monitor the patient for manifestations of aneurysm rupture, such as pallor, weakness, tachycardia, hypotension, abdominal, back, groin, or periumbilical pain, changes in consciousness, and a pulsating abdominal mass. Regularly assess the patient's peripheral pulses.Instruct the patient to consume a clear liquid diet the day before surgery and administer...
20
01:21Aneurysm II: Clinical Manifestations and Diagnostic Studies
23
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...
23