相关实验视频
Updated: Jun 11, 2025

05:41
Non-invasive Assessment of Microvascular and Endothelial Function
Published on: January 29, 2013
16.2K
上肢的动脉变化和血液动力学影响:从观察性研究的见解
Xin Chen1, Zhengya Yu1, Jixiang Wu2
1Department of Vascular Surgery, Beijing Tongren Hospital, Capital Medical University, Beijing, China.
概括
射动脉是中国成年人上肢动脉变异最常见的,发生在11.89%的患者中. 它的体积流量低于辐射动脉,特别是在末期脏病患者中.
科学领域:
- 人体解剖学 解剖学 解剖学
- 血管生物学 血管生物学
- 医疗成像医学成像
背景情况:
- 上肢的动脉变异表现出种族差异.
- 关于亚洲人群,特别是中国人群上肢动脉变异的数据有限.
研究的目的:
- 介绍中国成年人上肢动脉变异的第一个大型数据集.
- 分析这些变化的发生率和特征.
主要方法:
- 2020年7月至2021年6月连续患者上肢动脉的观察性研究.
- 收集每个患者的血液动力学变量,包括体积流量.
主要成果:
- 臂射动脉 (BRA) 是最常见的变异 (6.60%的四肢,11.89%的患者).
- BRA的体积流量 (VF) 在手腕和前臂 (非ESRD) 中低于辐射动脉 (RA).
- 与手腕中的非ESRD患者相比,BRA的VF在末期脏病 (ESRD) 患者中较低.
结论:
- 在中国成年人中,上肢动脉变化的发生率很大 (6.60%的四肢/11.89%的患者).
- 臂动脉是臂动脉最常见的高分支.
- 发现分布差异,主要在右上肢.
相关概念视频
Arteries of the Upper Limbs
458
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...
458
Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation
3
Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
3
Pre-Procedural Guidelines for Assessing Blood Pressure
524
Accurate blood pressure assessment is crucial for diagnosing and managing various health conditions. To ensure the reliability of these measurements, healthcare professionals must adhere to standardized pre-procedural guidelines. These guidelines enhance patient safety and improve the overall quality of healthcare. The following steps are essential for obtaining accurate and consistent blood pressure readings, from using the appropriate tools to ensuring effective communication with the...
524
Assessment of the Cardiovascular System III: Palpation
203
Palpation involves feeling the body to evaluate texture, size, consistency, and tenderness for assessing cardiovascular health. The following steps are organized in a head-to-toe order:
Jugular Venous Pressure (JVP) Measurement
Position the patient at a thirty- to forty-five-degree angle or in a semi-fowler's position. Look for the highest point of pulsation in the internal jugular vein and measure the vertical distance to the angle of Loius or sternal angle. A normal JVP is 3-4 cm above...
Jugular Venous Pressure (JVP) Measurement
Position the patient at a thirty- to forty-five-degree angle or in a semi-fowler's position. Look for the highest point of pulsation in the internal jugular vein and measure the vertical distance to the angle of Loius or sternal angle. A normal JVP is 3-4 cm above...
203
Sites for measruring blood pressure
1.5K
Blood pressure measurement is a fundamental clinical procedure, providing crucial data for assessing cardiovascular health. Among the various sites for this measurement, the brachial and popliteal arteries are predominantly utilized due to their accessibility and the reliability of their readings. This lesson delves into the anatomical significance, methodology, and considerations of measuring blood pressure at these locations.
The Brachial Artery: Primary Site for Blood Pressure Measurement
The Brachial Artery: Primary Site for Blood Pressure Measurement
1.5K
Special considerations while measuring blood pressure
708
When assessing blood pressure (BP), healthcare professionals must consider various factors and potential unexpected outcomes to ensure accurate readings and provide proper patient care. Adhering to these guidelines is essential to achieving the most reliable results.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
Monitoring Both Arms:
Monitoring BP in both arms during the initial assessment is advisable, as the systolic value may differ by five to ten mm Hg between arms. For subsequent BP assessments, use the arm with the higher reading.
708

