根据前脚的多普勒波形来估计手指指数
Alexander D Rodway1,2, Rachael Jarrett1, Darren Cheal2
1Vascular Department, Surrey and Sussex Healthcare NHS Trust, East Surrey Hospital, Canada Avenue, Redhill RH1 5RH, UK.
European heart journal. Imaging methods and practice
|July 11, 2025
概括
多普勒波形分析为诊断外围动脉疾病 (PAD) 提供了一种可靠的替代品. 这种新方法,估计TBI (eTBI),是准确的,可重复的,并提高了PAD评估的可访问性.
科学领域:
- 血管医学 血管医学
- 诊断成像 诊断成像 诊断成像
- 生物医学工程 生物医学工程
背景情况:
- 脚腕指数 (TBI) 是评估外周动脉疾病 (PAD) 的标准,但有局限性.
- 前脚动脉的多普勒波形特征 (AccI,PSV,AT) 是TBI估计的潜在替代方案.
- 这项研究旨在评估多普勒波形特征作为可靠的TBI替代品.
研究的目的:
- 评估多普勒波形特征与标准TBI之间的关联.
- 使用多普勒数据开发用于估计TBI (eTBI) 的经验方程.
- 评估eTBI的准确性,可重复性和临床适用性.
主要方法:
- 在前脚甲足动脉中对角度校正的多普勒指数,PSV和AT进行前性分析.
- 在PAD患者的155个四肢中进行标准的自动TBI测量.
- 开发和验证用于ETBI计算的经验方程.
主要成果:
- 来自多普勒的AccI,PSV和AT与标准TBI显著相关 (R2=0.88,0.58,0.62).
- eTBI方程与标准TBI表现出极好的一致性 (AccI的平均偏差为-0.01 ± 0.10).
- 电子电脑损伤预测TBI独立于患者的因素;显示低可变性和超越标准的TBI重血管化后.
结论:
- 来自多普勒波形的eTBI,特别是AccI,是一种可复制,准确和临床响应的标准TBI的替代方案.
- 将其整合到常规诊断中可以提高PAD护理的可访问性和精度.
- 自动化ETBI获取可以提高非专业环境中的选效率.
相关概念视频
01:19Assessing Blood pressure using a doppler ultrasound
1.7K
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:
1.7K
01:23Assessment of blood pressure in brachial artery(two-step method)
923
Measuring blood pressure is a fundamental skill in healthcare that aids in diagnosing and monitoring hypertension and other cardiovascular conditions. An aneroid sphygmomanometer, commonly used in clinical settings, offers a manual and precise method for blood pressure measurement. The technique for using this instrument involves specific steps that must be carefully executed to ensure accuracy. The following detailed description outlines a two-step technique for assessing blood pressure using...
923
01:15Assessment of blood pressure in brachial artery(one-step method)
706
This procedural guide systematically measures blood pressure using an oscillometric digital sphygmomanometer, emphasizing accuracy, patient safety, and comfort.
Prepare for the Procedure:
Prepare for the Procedure:
706
01:21Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation
38
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...
38
01:11Pulse Assessment Sites
1.4K
Pulse assessment sites are crucial in evaluating a patient's cardiovascular health. By assessing the pulsations of arteries at specific anatomical locations, healthcare professionals can gather valuable information about blood flow, heart rate, and peripheral circulation. Understanding these pulse assessment sites is essential for conducting comprehensive cardiovascular evaluations and monitoring patients' overall health. These sites are strategically chosen due to the accessibility and...
1.4K
01:25Assessment of apical radial pulse
877
Apical-Radial (A-R) Pulse Assessment
The A-R pulse assessment involves simultaneous evaluation of the apical and radial pulses. When the apical and radial pulse rates vary, this assessment helps identify a pulse deficit.
Pre-Procedural Preparation
The A-R pulse assessment involves simultaneous evaluation of the apical and radial pulses. When the apical and radial pulse rates vary, this assessment helps identify a pulse deficit.
Pre-Procedural Preparation
877