研究方案:探索不同气候场景下的日托中心幼儿的水摄入量和水分状态变化
Aziza J Belgardt1, Hermann Kalhoff1,2, Mathilde Kersting1
1Research Department of Child Nutrition, University Hospital of Pediatrics and Adolescent Medicine, St. Josef-Hospital, Ruhr-University Bochum, Bochum, Germany.
BMC pediatrics
|November 29, 2025
概括
儿童在炎热的天气中失去更多的水分,这会影响他们的水分. 这项研究量化了儿童在热应激期间的水分损失和水分变化,以更新气候变化饮用建议.
科学领域:
- 环境健康 环境健康
- 儿科 儿科 儿科
- 人体生理学 人体生理学
背景情况:
- 全球气候变化正在增加平均气温和极端炎热的日子,甚至在德国.
- 儿童特别容易受到热应激,这可能导致严重的水分流失和功能障碍.
- 了解热应激儿童的水分状况变化对于公共卫生和更新饮用水准则至关重要.
研究的目的:
- 在不同的温度条件下,量化3-6岁儿童的水分损失和水分状态的变化.
- 为了将收集的数据与儿童在暴露在热量中的水分损失的理论模型进行比较.
- 为应对气候变化,为儿童提供最新的饮酒建议.
主要方法:
- 从德国幼儿园招募了3-6岁的孩子.
- 测量体重,尿液度和唾液度,每天两次,两天测试 (热和中性温度).
- 在2小时的户外游戏期间记录了自愿的水摄入量和活动水平,将结果与模拟的3岁儿童进行比较.
主要成果:
- 暴露前后的体重差异,考虑到水摄入量,表明温度调节的水损失.
- 通过尿液度评估的水合状态,预计在炎热和中性温度日之间会有所不同.
- 将收集的数据与模拟的水损失进行比较,将揭示气候和生理反应的变化.
结论:
- 这项研究提供了热应激儿童水分损失和水分补充的数据.
- 这些发现可以帮助根据气候情景对儿童的饮用水量建议进行改进.
- 这项研究有助于解决气候变化带来的公共卫生挑战.
相关概念视频
Regulation of Water Intake
2.6K
Osmolality refers to the number of solute particles per kilogram of solvent in a solution. Plasma osmolality specifically indicates the total number of solute particles per kilogram of water in blood plasma. This value reflects the body's hydration status and is tightly regulated through mechanisms controlling water intake and output. While water consumption is a conscious decision, the body has intrinsic regulatory systems to maintain fluid balance. Dehydration, a state of water deficit...
2.6K
Disorder of Water Balance
2.3K
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...
2.3K
Adaptations that Reduce Water Loss
27.8K
Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.
27.8K
Strength and Heat of Hydration
626
The hydration of cement is an exothermic reaction in which heat is generated as cement hydrates. This heat of hydration is critical to cement's strength development. The rate at which this heat is generated affects the temperature rise, with a majority of the heat being released early in the hydration process, half within the first three days, and about 75% within the first week.
The heat of hydration for each cement compound is significant; for instance, tricalcium aluminate (C3A) and...
The heat of hydration for each cement compound is significant; for instance, tricalcium aluminate (C3A) and...
626
Responses to Heat and Cold Stress
14.6K
Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
14.6K
Body Water Content and Fluid Compartments
3.9K
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...
3.9K


