相关实验视频

Updated: Jun 15, 2025

Diffuse Reflectance Spectroscopy: Getting the Capillary Refill Test Under One's Thumb

Diffuse Reflectance Spectroscopy: Getting the Capillary Refill Test Under One's Thumb

Published on: December 2, 2017

关于优化压力的试点研究,用于标准化毛细血管补充时间测量

Zi-Yu Ma¹, Shen Sun¹, Shui-Cai Wu¹

¹Faculty of Environment and Life, Beijing University of Technology, China, No. 100 Pingleyuan, Chaoyang District, Beijing, 100124, China.

|August 22, 2024

概括

优化压力是精确的毛细血管补充时间 (CRT) 测量在败血症的关键. 施加10.0N-10.5N的力确保最可靠和一致的CRT读数.

科学领域:

生物医学工程生物医学工程
身体生理学身体生理学
关键护理医学关键护理医学

背景情况:

毛细血管补充时间 (CRT) 测量对于评估诸如败血症和败血性休克等疾病越来越重要.
标准化CRT测量需要了解施加压力的影响.
以前的方法缺乏标准化的压力应用,可能会影响准确性.

研究的目的:

为了确定标准化毛细血管补充时间 (CRT) 测量的最佳压力.
分析不同压力水平对CRT读数的影响.
在临床环境中建立可靠的CRT评估协议.

主要方法:

17名健康志愿者参加了手指尖CRT测试.
施加力的范围从0.5N到10.5N,逐渐增加0.5N.
摄影光电显微镜 (PPG) 捕获光强度波动;一个专门的算法衍生CRT.

主要成果:

在21个压力级别 (p < 0.0001) 中观察到CRT的显著差异.
在4.5N和10.5N之间的CRT测量显示了中度的一致性 (ICC = 0.499).
10.0N和10.5N的压力显示出强大的一致性和可靠性 (ICC = 0.790).

结论:

对于稳定的CRT测量,建议使用4.5N-10.5N的压力范围.
对于CRT评估的最佳一致性和可靠性是通过10.0N-10.5N的施加力实现的.
这些发现支持开发压力控制CRT测量的标准化协议.

关键词:

毛细血管补充时间微循环是一种微循环.压力压力压力败血症这是一种败血症.败血症的冲击是一个令人震惊的现象.

更多相关视频

Non-invasive Assessment of Microvascular and Endothelial Function

Non-invasive Assessment of Microvascular and Endothelial Function

Published on: January 29, 2013

Assessing Endothelial Vasodilator Function with the Endo-PAT 2000

Assessing Endothelial Vasodilator Function with the Endo-PAT 2000

Published on: October 15, 2010

相关概念视频

Assessment of blood pressure in brachial artery(two-step method)

Assessment of blood pressure in brachial artery(two-step method)

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...

Sites for measruring blood pressure

Sites for measruring blood pressure

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