年龄对身体位置和非侵入性获得的内脉冲波之间的关系的影响
Andrea Boraschi1, Matthias Hafner1, Andreas Spiegelberg1
1The Interface Group, Institute of Physiology, University of Zurich, Winterthurerstrasse 190, 8057, Zurich, Switzerland.
Scientific reports
|March 6, 2024
概括
对头部介电性能的容量测量显示,老年人中AMP信号较高,这可能反映了与年龄相关的脊合规性 (CC) 降低. 这些发现支持AMP作为一个可靠的,非侵入性指标来评估CC随着年龄的变化.
科学领域:
- 生物医学工程 生物医学工程
- 神经科学是一个神经科学.
- 医学物理 医学物理
背景情况:
- 脊合规 (CC) 对于评估神经系统疾病至关重要.
- 头部的非侵入性介电性质测量提供了潜在的CC替代品.
- 对于老年人来说,数据有限,这阻碍了与年龄相关的CC变化评估.
研究的目的:
- 在健康的老年人中研究容量获得的电信号 (W).
- 评估W的峰值到谷幅度 (AMP) 作为衰老中CC的潜在替代品.
- 为了评估AMP对老年人的姿势变化 (倾斜) 的反应.
主要方法:
- 招募了13名60岁以上的健康受试者.
- 在仰卧,抬头 (60°) 和低头 (-30°) 的位置获得电容电信号 (W).
- 从W信号中提取与心脏活动相关的峰值到谷幅度 (AMP).
主要成果:
- 与年轻人队伍相比,AMP在老年人中显著更高 (5965 ± 1677 AU在0°).
- 在抬头倾斜时AMP降低 (4446 ± 1620AU),在抬头倾斜时增加 (7600 ± 2123AU).
- 在倾斜测试期间AMP的相对变化与年轻人观察到的相一致.
结论:
- 在老年人中AMP升高与预期的与年龄相关的脑脊柱合规性 (CC) 降低一致.
- 该研究验证了AMP作为评估与年龄相关的CC变化的强大,非侵入性指标.
- 在倾斜测试期间的一致的AMP反应证实了其跨年龄组的可靠性.
相关概念视频
01:28Special considerations while measuring blood pressure
722
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.
722
01:30Factors Influencing Heart Rate
2.6K
The heart rate, or pulse rate, is a vital indicator of cardiovascular health. It reflects the number of times the heart beats per minute. Various physiological and environmental factors influence heart rate, increasing or decreasing cardiac output. Understanding these factors is crucial for assessing heart function and identifying potential health issues.
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...
2.6K
01:13Special considerations while measuring pulse
578
Assessing a patient's pulse is a fundamental skill in healthcare, but certain situations require special attention:
578
01:16Pulse
510
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...
510
01:23Brain Waves
1.3K
Brain waves are electrical signals generated by the neurons in the brain, which are regularly monitored to measure mental activities. Brain waves and their frequency ranges can be measured using an electroencephalogram or EEG. There are four main types of brain waves, each with distinct characteristics:
1.3K
01:28Factors affecting Blood pressure
3.2K
Several physiological and lifestyle factors influence blood pressure (BP). Understanding these factors is crucial as they are significant in patient education and blood pressure management.
Physiological Factors:
Physiological Factors:
3.2K