被动脱水对相角和身体组成的影响:生物电阻分析
Jorge A Aburto-Corona1,2, Juan J Calleja-Núñez2, José Moncada-Jiménez3
1Doctoral School Physical Activity and Sports Sciences, University of Leon, 24007 Leon, Spain.
Nutrients
|July 27, 2024
概括
被动脱水导致体重减轻,体脂减少,细胞外水和相角 (PhA) 增加. 身体组成的这些变化对于生物电阻分析 (BIA) 的准确性来说在临床上是微不足道的.
科学领域:
- 生理学 生理学 生理学
- 身体组成分析 身体成分分析
背景情况:
- 生物电阻分析 (BIA) 使用含水量来估计身体成分.
- 脱水可以在BIA测量中引入偏差.
研究的目的:
- 评估被动脱水引起的体重减轻对身体组成指标的影响,包括相角 (PhA).
主要方法:
- 25名健康,身体活跃的男性在5小时的被动脱水期间前后接受了BIA测量.
- 在脱水期间,环境条件 (温度和湿度) 被控制.
主要成果:
- 被动脱水导致显著的体重减轻 (0.76 ± 0.34 公斤) 和减少体脂估计 (0.90 ± 0.87 公斤).
- 脱水后细胞外水 (ECW) 和相角 (PhA) 显著增加 (ECW:0.12 ± 0.30 L; PhA:0.10 ± 0.15°).
结论:
- 通过被动脱水而减肥会改变活跃男性的BIA衍生的脂肪量,ECW和PhA.
- 发现这些变化对BIA设备的准确性影响微不足道,被认为在临床上无关紧要.
更多相关视频
04:05Author Spotlight: Unveiling Prognostic Indicators in Heart Failure - The Role of Phase Angle and Bioelectrical Impedance Analysis
Published on: June 30, 2023
1.8K
10:21Evaluation of Hydration Status by Bioelectrical Impedance Vector Analysis in Patients with Ischemic Heart Disease Undergoing Exercise Stress Test
Published on: September 22, 2023
608
相关概念视频
Disorder of Water Balance
330
Water balance disorders are medical conditions that occur when there is a deviation from the body's water volume or osmolarity, disrupting normal homeostasis and leading todehydration, hypotonic hydration, hyperhydration, edema, or water intoxication.
Dehydration
Dehydration occurs when the body loses fluids (particularly water).
Causes:
The major causes of dehydration include excessive sweating, fever, vomiting, diarrhea, and diuresis.
Signs and Symptoms:
Symptoms primarily include intense...
Dehydration
Dehydration occurs when the body loses fluids (particularly water).
Causes:
The major causes of dehydration include excessive sweating, fever, vomiting, diarrhea, and diuresis.
Signs and Symptoms:
Symptoms primarily include intense...
330
Body Water Content and Fluid Compartments
661
Life's biochemical processes occur within aqueous solutions. Solutes are substances that are dissolved within these solutions. The human body contains a variety of solutes, which can differ across various body parts. These can encompass proteins—such as those responsible for clotting and carbohydrate transport—as well as electrolytes. In medicine, an electrolyte is often described as a mineral ion derived from a salt possessing an electric charge. Examples include sodium ions...
661
Electrogravimetric Analysis: Overview
213
Electrogravimetric analysis measures the weight of an analyte deposited electrolytically onto a suitable working electrode. This method involves applying a potential to a pre-weighed electrode submerged in a solution, which results in the desired substance being deposited through reduction at the cathode or oxidation at the anode. The electrode's weight is recorded after deposition, and the difference in weight gives the analyte's weight in the solution.
To test the completeness of the...
To test the completeness of the...
213
