异常右下关节动脉:人口统计,形态特征和后续CT扫描动态
Maysam Shehab1, Stanislav Kosykh2, Ammie Wolf1
1Vascular Surgery Department, Meir Medical Center, Faculty of Medicine, Tel Aviv University, Kfar Saba, Israel.
Vascular and endovascular surgery
|September 28, 2023
概括
异常右下关节动脉 (ARSA) 显示了一个良性自然史与缓慢的增长率. 需要进一步的研究,以建立无症状病例的标准化成像后续协议.
科学领域:
- 心血管成像 - 心血管成像
- 血管外科 血管外科
- 放射学 放射学是一门学科.
背景情况:
- 异常右下关节动脉 (ARSA) 是最常见的大动脉形异常,影响0.5-1%的人口.
- 缺少针对ARSA,特别是无症状个体的标准化后续检查方案.
- 了解ARSA的自然史对于临床管理至关重要.
研究的目的:
- 评估异常右下关节动脉 (ARSA) 的自然史.
- 评估序列计算机断层扫描 (CT) 扫描在监测ARSA中的作用和有效性.
- 用CT成像分析ARSA随着时间的推移的形态变化.
主要方法:
- 通过胸部CT扫描诊断的ARSA患者的回顾性单中心研究 (2013年2月 - 2022年7月).
- 收集患者病历和CT扫描数据,包括大动脉和ARSA测量.
- 在初始和后续CT扫描上对ARSA和大动脉尺寸的形态分析.
主要成果:
- 该研究包括65名患者 (70.8%为女性,平均年龄为58.5岁),随访时间中位数为4年.
- 诊断后1年和5年的Kaplan-Meier生存估计分别为97%和93%.
- 19名患者在扫描 (P=0.04) 之间显示了ARSA直径在统计学上显著的,尽管很小的增加 (平均16.91毫米对16.31毫米).
结论:
- 该队列对ARSA具有良性自然史,其特点是增长速度缓慢.
- 由于样本规模较小,因此无法为成像后续方案提出明确的建议.
- 更大的队列和延长的随访间隔是必要的,以建立ARSA管理的临床指南.
相关概念视频
The Arch of Aorta
726
The coronary arteries, originating from the ascending aorta, bifurcate from two sinuses located within the ascending aorta. Positioned just above the aortic semilunar valve, these sinuses house essential aortic baroreceptors and chemoreceptors, crucial for maintaining cardiac function. The left coronary artery and the right coronary artery branch off from the left posterior and anterior aortic sinuses, respectively.
Encircling the heart, the coronary arteries form a ring-like structure before...
Encircling the heart, the coronary arteries form a ring-like structure before...
726
Aneurysm II: Clinical Manifestations and Diagnostic Studies
10
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...
10
Arteries of the Upper Limbs
643
The subclavian artery transitions into the axillary artery as it exits the chest and enters the axillary region. This artery is critical for supplying blood to the shoulder area, including the head of the humerus, through the humeral circumflex arteries. As the vessel continues into the upper arm or brachium, it becomes the brachial artery. This artery plays a key role in vascularizing the brachial region and bifurcates at the elbow into several branches. These branches include the deep...
643
Aortic Regurgitation II: Clinical Features and Diagnostic Tests
23
Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...
23
Abdominal Aorta
852
Once the aorta traverses the diaphragmatic plane at the aortic hiatus, it is known as the abdominal aorta. This anatomical structure is positioned leftward of the spinal column, encased within a cocoon of adipose tissue behind the peritoneal cavity. It terminates at the L4 vertebra, where it splits into the common iliac arteries. Prior to this bifurcation, the abdominal aorta gives rise to several vital branches.
The celiac trunk, a singular artery, divides into the left gastric artery, which...
The celiac trunk, a singular artery, divides into the left gastric artery, which...
852
Imaging Studies for Cardiovascular System V: CT
31
Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
31


