基线功能性氧气吸收增加作为中心运动的预后因素,对功能良好的老年人做出反应
Tingting Liu1, Qiaowei Li1,2,3,4,5, Feng Huang1,2,3,4,5
1Shengli Clinical Medical College of Fujian Medical University, Fuzhou, Fujian, China.
European journal of physical and rehabilitation medicine
|February 12, 2026
概括
功能性氧气吸收增加较低 (ΔVO2/ΔWR) 的老年人从结构化炼计划中获益最多. 鼓励参与这些计划可以最大限度地改善这个群体的心肺功能.
科学领域:
- 老年医学 老年医学
- 心肺康复中心心肺康复中心
- 运动生理学 运动生理学
背景情况:
- 持续的运动对老年人的心肺健康有好处.
- 确定从运动中获益最多的特定子组至关重要.
研究的目的:
- 探索基线特征与氧气吸收峰值 (VO2峰值) 的改善之间的关系.
- 在老年人中识别潜在的运动响应者.
主要方法:
- 单臂前后队列研究,涉及151名居住在社区的老年人.
- 参与者进行了个性化的,监督的,多元组件的运动,持续了1-2年.
- 收集的数据包括功能性氧气吸收增长 (ΔVO2/ΔWR) 和VO2峰值;参与者被分为运动反应者 (ER) 或不反应者 (ENR).
主要成果:
- 较低的基线ΔVO2/ΔWR与1年和2年更大的VO2峰值改善有显著的关联.
- 为预测1年 (9.310毫升/分钟/W) 和2年 (9.805毫升/分钟/W) 的运动反应,确定了最优的基线 ΔVO2/ΔWR 切断值.
- 基线 ΔVO2/ΔWR 与峰值VO2.2 的绝对变化之间存在负相关性.
结论:
- 基线 ΔVO2/ΔWR 值较低的老年人从结构化炼中获益最大.
- 鼓励参与以中心为基础的炼计划可以最大限度地提高老年人的心肺健康效益,因为他们的 ΔVO2/ΔWR 值较低.
- 需要进一步的多中心试验来验证ΔVO2/ΔWR作为通用预后标志物.
相关概念视频
Functional Groups
89.4K
Functional groups are a group of atoms with characteristic properties, which when linked to the carbon skeleton of a molecule, alter the properties of that molecule. For example, the presence of certain functional groups on a molecule will make them hydrophilic, whereas others will make them hydrophobic. These functional groups are an indispensable part of organic chemistry and important components of biological molecules, such as carbohydrates, proteins, lipids, and nucleic acids. Each...
89.4K
Functional Groups
24.6K
24.6K
Other Factors Affecting Respiration Centers
1.6K
Breathing is primarily an involuntary activity regulated by the brainstem respiratory centers. However, it can also be consciously controlled, allowing us to hold our breath or take deeper breaths when needed. This voluntary control is facilitated by the cerebral motor cortex, which bypasses the medullary centers to stimulate the respiratory muscles directly.
However, the ability to hold one's breath voluntarily is not limitless. When the CO2 concentration in the blood reaches a critical...
However, the ability to hold one's breath voluntarily is not limitless. When the CO2 concentration in the blood reaches a critical...
1.6K
Exponential Functions with Base e
261
Exponential functions with base e are essential for modeling continuous processes of growth and decay. The constant e, approximately 2.718, naturally arises in systems where change occurs proportionally to the current value. A positive exponent represents continuous growth, while a negative exponent represents continuous decay. These functions are especially useful for describing situations where change happens smoothly over time rather than in discrete steps.One clear example of exponential...
261
Chemical Factors Affecting Respiration Centers
2.4K
Chemical factors such as changing CO2, O2, and H+ levels in arterial blood play a critical role in influencing respiration depth and rates. These variations are detected by chemoreceptors—specialized sensors located in two primary body areas. Central chemoreceptors are found throughout the brain stem, including the ventrolateral medulla, while peripheral chemoreceptors are located in the aortic arch and carotid arteries.
CO2 has a potent influence on respiration and is strictly regulated....
CO2 has a potent influence on respiration and is strictly regulated....
2.4K
Mechanical Protein Functions
5.7K
Proteins perform many mechanical functions in a cell. These proteins can be classified into two general categories- proteins that generate mechanical forces and proteins that are subjected to mechanical forces. Proteins providing mechanical support to the structure of the cell, such as keratin, are subjected to mechanical force, whereas proteins involved in cell movement and transport of molecules across cell membranes, such as an ion pump, are examples of generating mechanical force.
5.7K


