临床运动测试是否允许在转诊到心脏康复的患者中识别运动值?
Randi R Keltz1, Tim Hartley2, Ashlay A Huitema3
1School of Kinesiology, University of Western Ontario, London, Ontario, Canada; Lawson Health Research Institute, London, Ontario, Canada.
The Canadian journal of cardiology
|July 30, 2023
概括
基于值的有氧运动处方在心血管疾病患者中具有挑战性. 只有32%的心肺运动测试 (CPET) 确定了乳酸值 (θLT) 和呼吸补偿点 (RCP),表明了次优方案.
科学领域:
- 心脏病学 心脏病学
- 运动生理学 运动生理学
- 运动医学 运动医学
背景情况:
- 有氧运动的处方对于心血管疾病 (CVD) 管理至关重要.
- 基于值的培训,针对乳酸值 (θLT) 和呼吸补偿点 (RCP),提供个性化的强度指导.
- 在心血管疾病患者中通过临床心肺运动测试 (CPET) 确定这些值的可行性需要评估.
研究的目的:
- 评估在心血管疾病患者的临床CPET期间确定估计的乳酸值 (θLT) 和呼吸补偿点 (RCP) 的可行性.
- 量化可识别的 θLT 和 RCP.患者的比例.
- 描述这些生理标志物发生的变异性.
主要方法:
- 分析了来自1102名心脏康复患者 (65±12岁) 的呼吸对呼吸CPET数据.
- 识别氧气吸收峰值 (V ̇O2峰值) 和值 (θLT,RCP) 报告为绝对V ̇O2,%V ̇O2峰值和%峰值心率 (%HR峰值).
- 患者根据 θLT 和/或 RCP 的存在被分为组.
主要成果:
- 只有32%的患者 (350/1102) 表现出 θLT 和 RCP (第二组).
- 50%的患者 (556/1102) 没有确定任何值 (组0).
- 门发生变化,与1组 (仅θLT) 相比,2组的θLT出现较低的%V ̇O2峰和%HR峰.
结论:
- 在临床CPET期间识别 θLT 和 RCP 在只有32%的心血管疾病患者中是可行的,即使有协议灵活性.
- 基于标准步骤的CPET协议可能不足以准确确定运动处方值.
- 需要进一步的研究来优化CPET协议,以便在心血管疾病群体中可靠地识别值.
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