在一个有望多中心的老年人队列中进行心肺运动测试
Cody Wolf1, Terri L Blackwell2, Eileen Johnson2
1Department of Health and Physical Activity, University of Pittsburgh, Pittsburgh, PA.
心肺运动测试 (CPET) 是一种安全有效的方法,用于评估老年人的心肺呼吸能力 (CRF). 这项研究证明了它的可行性和可靠性,支持在衰老研究和临床实践中更广泛地使用它.
科学领域:
- 老年学是指老年学的学科.
- 心血管生理学心血管生理学
- 运动科学 运动科学
背景情况:
- 通过峰值氧气消耗 (V·O2峰值) 衡量心肺呼吸能力 (CRF),随着年龄的增长而下降,并与死亡率和发病率有关.
- 心肺运动测试 (CPET) 是评估CRF的黄金标准,但其在老年人中的应用需要验证.
研究的目的:
- 设计和实施可靠,安全和可靠的CPET协议来评估老年人.
- 评估CPET在70岁及以上的个体中的可行性,有效性和可靠性.
主要方法:
- 在SOMMA研究中,对875名年龄≥70岁的成年人进行了测量VO2峰的CPET协议.
- 该协议包括症状限制的最大运动和次最大步行阶段,并对测试有效性进行判断.
- 在30名参与者的子集中评估了可重复性.
主要成果:
- CPET是安全的,耐受性很好,其中95.8%完成了V̇O2峰值阶段和最小的不良事件 (2).
- 平均VO2峰值为20.2±4.8mL·kg-1·min-1,心率高峰和呼吸交换比率高.
- 测试的可重复性很高 (类内相关系数=0.97),尽管6.4%需要对有效性进行判断.
结论:
- CPET是一种可行的,有效和安全的方法,用于评估老年人的CRF,包括那些多病症或脆弱的人.
- 这些发现支持更广泛地实施CPET,以了解CRF在衰老和与年龄有关的疾病中的作用.
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