冠状动脉疾病的分类使用辐射动脉脉冲波分析通过机器学习
Yi Lyu1,2, Hai-Mei Wu3, Hai-Xia Yan1,2
1School of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, P.R. China.
BMC medical informatics and decision making
|September 16, 2024
概括
机器学习使用脉冲波分析准确识别冠状动脉疾病 (CAD). 额外树木分类器显示出在临床环境中进行非侵入性,经济高效的CAD检测的希望.
科学领域:
- 心脏病学 心脏病学
- 生物医学工程 生物医学工程
- 机器学习 机器学习
背景情况:
- 冠状动脉疾病 (CAD) 是全球和中国的主要死亡原因.
- 对于早期CAD检测而言,非常需要非侵入性,快速且具有成本效益的方法.
- 机器学习 (ML) 为分析复杂的健康数据提供了一个有希望的方法.
研究的目的:
- 开发和评估用于早期检测CAD的机器学习模型.
- 评估放射性动脉脉冲波分析的有效性,以区分健康,高血压和CAD个体.
- 用脉冲波数据识别最有效的ML分类器用于CAD检测.
主要方法:
- 收集了608名参与者健康,高血压和CAD组的原始脉冲波数据.
- 处理和分析了无噪声,正常化的脉冲波数据.
- 培训和评估了七个ML分类器,包括额外树木 (ET),随机森林和XGBoost.
主要成果:
- 额外树木 (ET) 分类器在区分组中取得了最高的表现.
- ET模型实现了0.8579准确度,0.9361AUC,0.8561回忆,以及0.8581精度.
- 由ET模型识别的关键特征包括各种脉冲波参数,如w/t1和t3/tmax.
结论:
- 辐射动脉脉冲波分析,加上额外树木分类器,可以有效地识别患有CAD的个体.
- 这种非侵入性,具有成本效益的技术为早期CAD患者识别提供了可行的途径.
- 该研究强调了ML在心血管诊断中的潜力.
相关概念视频
Assessment of radial pulse
808
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:
808
Assessment of apical radial pulse
732
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
732
Pulse
473
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...
473
Special considerations while measuring pulse
576
Assessing a patient's pulse is a fundamental skill in healthcare, but certain situations require special attention:
576
Pulse amplitude and quality
1.7K
Pulse amplitude is a crucial indicator of cardiac health because it provides valuable insights into the strength of left ventricular contractions and the overall uniformity of blood circulation within the vasculature. The strength of the pulse is directly related to the force with which the heart contracts and the volume of blood being pumped.
A weak or absent pulse may indicate reduced cardiac output or poor left ventricular contraction, which can be signs of cardiovascular dysfunction or...
A weak or absent pulse may indicate reduced cardiac output or poor left ventricular contraction, which can be signs of cardiovascular dysfunction or...
1.7K
Pulse Assessment Sites
985
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...
985


