步骤测试的有效性和可靠性,以估计儿科人口的最大氧气消耗
Gerardo Weisstaub1, José González2, Ignacio Orizola3
1Laboratory of Nutritional Evaluation and Body Composition, Institute of Nutrition and Food Technology (INTA), University of Chile, Santiago, Chile.
Scientific reports
|January 2, 2025
概括
一个新的,简单的步骤测试准确地估计了儿童和青少年的心肺呼吸能力 (VO2max). 这种低成本的工具为临床实践提供了一种可靠的方法来评估儿科健康.
科学领域:
- 儿科运动生理学 运动生理学
- 心血管健康评估评估
- 生物识别测量验证验证
背景情况:
- 心血管健康 (VO2max) 是儿科的关键健康指标和死亡率预测指标.
- 临床评估VO2max受到高成本,专业设备和专家人员要求的阻碍.
- 需要一种简单的,低成本的方法来估计儿童和青少年的VO2max,用于例行临床使用.
研究的目的:
- 验证和评估一个子最大步骤测试的可靠性,以估计儿童群体 (8-16岁) 的VO2max.
- 开发一种新的VO2max预测方程,使用步骤测试中容易获得的变量.
- 建立一个实用和可访问的工具,用于临床评估青年心肺健康.
主要方法:
- 这是一项涉及242名儿童和青少年 (8-16岁) 的横截面研究.
- 通过最大跑步机增量测试 (黄金标准) 测量心肺呼吸能力.
- 下最大步骤测试方案 (3分钟22步/分钟) 记录心率;计算BMIz-score.
主要成果:
- 从步骤测试中预测的VO2max与测量VO2max之间发现了强烈的相关性 (r=0.86,p<0.001).
- 布兰德-阿尔特曼分析证实了预测和测量VO2max值之间的统计一致性.
- 开发并验证了一种新的预测方程,该方程包含了第三分钟的心率,体重和身高.
结论:
- 经过验证的步骤测试协议是估计8至16岁儿童和青少年VO2max的可靠和准确方法.
- 开发的预测方程适用于临床应用,为评估儿科心肺呼吸能力提供了低成本的替代方案.
- 这种简单的测试可以促进儿童群体的常规查和心肺呼吸系统健康监测.
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