一种标准化的方法来评估有氧运动训练干预措施在心血管疾病的有效性在个人层面
Randi R Keltz1, Robin Faricier1, Peter L Prior2
1School of Kinesiology, University of Western Ontario, London, Ontario, Canada; Lawson Health Research Institute, London, Ontario, Canada.
International journal of cardiology
|July 4, 2024
概括
心血管疾病患者的运动训练很少导致个人水平上氧气吸收指标的有意义改善. 大多数患者在干预后的乳酸值,呼吸补偿点或氧气吸收峰值没有可靠的变化.
科学领域:
- 心脏病学 心脏病学
- 运动生理学 运动生理学
- 康复 康复 康复 康复
背景情况:
- 评估个体患者对运动干预措施的反应对于心血管疾病管理至关重要.
- 可靠的变化指数 (RCI) 有助于区分真正的变化和随机变化或实践效应.
- 最小有意义的变化 (MMCRCI) 评分为生理测量中临床显著改善的门.
研究的目的:
- 评估心血管疾病患者6个月运动训练计划的有效性.
- 要将最小有意义的变化 (MMCRCI) 分数应用于氧气吸收 (V̇O2) 参数:乳酸值 (θLT),呼吸补偿点 (RCP) 和氧气吸收峰值 (V̇O2峰).
- 根据可靠的变化,将个体患者对运动训练的反应分为积极的,非积极的或负面的反应者.
主要方法:
- 303名心血管疾病患者接受了干预前和后的症状限制心肺运动测试 (CPET).
- 测量了在 θ LT 的绝对和相对 V ̇O 2 , RCP 和 V ̇O 2 峰值.
- 定义的MMCRCI值对V̇O2的变化:±3.9 mL·kg-1·min-1 (θLT),±4.0 mL·kg-1·min-1 (RCP),±3.6 mL·kg-1·min-1 (V̇O2peak). 对于V̇O2peak的变化,MMCRCI12的值是:±3.9 mL·kg-1 (θLT),±4.0 mL·kg-1·min-1 (RCP),±3.6 mL·kg-1 (V̇O2peak).
主要成果:
- 虽然平均RCP和V̇O2峰显著增加 (p<0.05),但 θLT没有显示可靠的变化.
- 大多数患者被归类为非响应者:90%的 θLT,87%的 RCP 和 76%的 V̇O2peak.
- 只有19%的患者在V̇O2peak中实现了"积极"可靠的变化,对于 θLT (6%) 和 RCP (10%) 则更少的人实现了这一点.
结论:
- 大多数心血管疾病患者在6个月的训练计划后,在关键的运动能力指标上没有显示出可靠的个体水平改善.
- 标准的运动干预措施可能不会在个人层面上为许多患者带来临床上有意义的益处.
- 需要进一步的研究来优化运动方案,以最大限度地提高心血管疾病患者群体的可靠变化.
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