通过脉冲波分析和大动脉疾病低动脉刚性
Akira Sakamoto1, Yutaka Nakamura1, Nobuyuki Kagiyama1
1Department of Cardiovascular Biology and Medicine, Juntendo University Graduate School of Medicine Tokyo Japan.
Circulation reports
|June 11, 2025
概括
低心血管指数 (CAVI) 似乎不会增加主动脉疾病 (如剖析或动脉瘤) 的风险,也不会增加马尔凡综合征的风险. 需要进一步的研究,以了解低动脉硬度标志物的临床意义.
科学领域:
- 心血管研究的心血管研究.
- 血管健康 血管健康
- 动脉硬度评估 动脉硬度评估
背景情况:
- 心血管指数 (CAVI) 测量动脉硬度,提供血压独立的血管功能评估.
- 低CAVI值的临床影响尚不清楚.
- 连接组织疾病可以影响动脉壁,可能导致大动脉疾病和低CAVI.
研究的目的:
- 调查低CAVI和结缔组织疾病之间的关联.
- 为了确定低CAVI是否预测随后的大动脉疾病 (剖析/动脉瘤) 或马尔凡综合征.
主要方法:
- 在一个单一中心进行回顾性观察研究.
- 包括17,364名年龄在20至80岁的患者接受CAVI分析.
- 低CAVI定义为性别和年龄特定群体中最低2.5百分位.
主要成果:
- 在低CAVI和正常CAVI组之间,大动脉疾病的流行没有显著差异 (3.99%对3.99%).
- 在两组中,马凡综合征的患病率相似 (0.04%对比0.07%).
- P值表明没有统计学意义 (P>0.99对于两个比较).
结论:
- 这项研究没有发现证据表明低CAVI与大动脉剖析,动脉瘤或马芬综合征的患病率增加有关.
- 在血管疾病中低CAVI的临床意义需要进一步调查.
相关概念视频
Pulse
471
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...
471
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
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
Assessing Blood pressure using a doppler ultrasound
1.2K
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:
1.2K
Assessment of blood pressure in brachial artery(two-step method)
660
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...
660
Special considerations while measuring pulse
576
Assessing a patient's pulse is a fundamental skill in healthcare, but certain situations require special attention:
576


