从童年到老年,人体水分的百分比
Hong Lu1, Eric Ayers2, Pragnesh Patel3
1Division of Nephrology, Department of Pediatrics, Wayne State University School of Medicine, Detroit, MI, USA.
Kidney research and clinical practice
|June 14, 2023
概括
男性的总体水分百分比 (TBW%) 随着年龄的增长变化很小,而女性则在青春期经历下降. 两性在60岁以后的TBW%都在下降,超重个体的百分比较低.
科学领域:
- 身体生理学 身体生理学
- 老年学是一门学科.
- 身体组成分析 身体成分分析
背景情况:
- 总体水分 (TBW) 在生长过程中增加,但其百分比 (TBW%) 随着年龄的增长而下降.
- 了解整个生命周期的TBW%变化对于生理和健康评估至关重要.
研究的目的:
- 为了划分男性和女性从童年到老年的人体总体水分百分比 (TBW%).
- 用生物电阻分析 (BIA) 来分析基于性别,年龄组和体重状况的TBW%变化.
主要方法:
- 招募了545名参与者 (3-98岁;258名男性,287名女性).
- 使用生物电阻分析 (BIA) 测量了TBW,并计算了TBW%.
- 参与者被分为四个年龄组:3-10,11-20,21-60,和≥61岁.
主要成果:
- 在正常体重的个体中,男性从童年到成年时保持了相似的TBW% (62%),在60岁后降至57%.
- 正常体重的女性在青春期 (11-20岁) 期间的TBW%降至55%,保持稳定到60岁,然后在60岁后降至50%.
- 超重的男性和女性与正常体重的同行相比,表现出明显较低的TBW%.
结论:
- 男性的TBW%显示了从童年到成年期的最小变化,与女性的青春期减少形成鲜明对比.
- 两性都经历了60岁后的TBW%的减少.
- 超重状态与显著较低的TBW%有关.
相关概念视频
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