使用超声波手加速时间进行动脉输血的血液动力学评估:横截面前性描述性研究的协议
Begoña Gonzalo1, Sebastián Videla2,3, José Moranas1
1Vascular and Endovascular Surgery Department, Bellvitge University Hospital, Barcelona, Spain.
JMIR research protocols
|August 21, 2025
概括
通过血管双声超声波测量手加速时间 (HAT) 是一种有希望的非侵入性方法来诊断慢性上肢缺血. 这项研究提供了关于其可行性和潜在临床用途的初步数据.
科学领域:
- 血管医学
- 诊断超声波
- 缺血症研究
背景情况:
- 评估手部输液的非侵入性方法缺乏诊断慢性上肢缺血的标准化.
- 超声波手加速时间 (HAT) 是一个潜在的诊断工具,需要进行表征和验证.
研究的目的:
- 描述和量化手加速时间 (HAT) 技术,以评估手 perfusion.
- 在慢性上肢缺血患者和健康志愿者中评估HAT.
主要方法:
- 使用血管双重超声波 (DUS) 测量HAT在4个手动脉的前性,横截面研究.
- 包括15名慢性上肢缺血患者和15名健康志愿者.
- 使用标准描述性分析和曼-惠特尼U测试.
主要成果:
- 招募了30名参与者 (15名患者,15名对照组),评估了15名缺血手和30名非缺血手.
- 数据分析和发布时间表详细,结果可在提交协议之前获得.
- 除了已公布的研究,没有计划进行进一步的分析.
结论:
- 这项研究系统地评估了血管DUS测量的HAT作为慢性上肢缺血的新诊断工具.
- 为帮助临床决策制定了初步的切割值.
- 作为一种快速的,非侵入性的诊断工具,
更多相关视频
08:42Ultrasound Assessment of Endothelial-Dependent Flow-Mediated Vasodilation of the Brachial Artery in Clinical Research
Published on: October 22, 2014
27.5K
09:40Ultrasound Assessment of Flow-Mediated Dilation of the Brachial and Superficial Femoral Arteries in Rats
Published on: November 3, 2016
11.8K
相关概念视频
Assessing Blood pressure using a doppler ultrasound
1.6K
To obtain accurate blood pressure measurements in clinical settings, especially when traditional methods are insufficient, healthcare professionals utilize the Doppler ultrasound technique. This method uses high-frequency sound waves to detect blood flow within the arteries, which is crucial for patients with conditions that complicate circulatory system assessment.
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:
Pre-Procedural Guidelines for Doppler Ultrasound Blood Pressure Assessment:
Preparation of Equipment:
1.6K
Assessment of the Cardiovascular System III: Palpation
492
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...
492
Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation
34
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...
34
Pulse
1.0K
When the heart pumps blood out, arterial elastic fibers play a crucial role in sustaining a high-pressure gradient. They expand to accommodate the received blood and then recoil - a process known as the pulse that can be either manually palpated or electronically quantified. Despite a reduction in its effect with increased distance from the heart, elements of the pulse's systolic and diastolic components persist, observable even at the arteriole level.
The pulse serves as a clinical...
The pulse serves as a clinical...
1.0K
Assessment of radial pulse
999
Assessment of Radial Pulse
The radial pulse, located at the wrist, is often the preferred site for assessing peripheral pulse because of its accessibility and dependability. The process of determining the radial pulse involves several steps:
The radial pulse, located at the wrist, is often the preferred site for assessing peripheral pulse because of its accessibility and dependability. The process of determining the radial pulse involves several steps:
999
