适度强度运动对高氧消耗患者的影响:随机临床试验
Sara Saberi1, Matthew Wheeler2, Jennifer Bragg-Gresham1
1University of Michigan School of Medicine, Ann Arbor.
适度强度的运动训练在16周内改善了成年人心肌缩症 (HCM) 的运动能力. 该研究没有发现心脏不良事件的增加,这表明潜在的安全益处.
科学领域:
- 心脏病学
- 运动生理学
- 临床试验
背景情况:
- 由于心律失常的风险和未经证实的临床益处,对高缩性心肌病患者的运动建议是复杂的.
- 之前的研究尚未确定运动训练在这种特定患者群体中的临床优势.
研究的目的:
- 调查中等强度运动训练是否能提高被诊断为心肌缩症的成年人的运动能力.
- 评估HCM患者结构化炼计划的安全性和有效性.
主要方法:
- 一项随机临床试验涉及136名患有心肌缩症的成年患者.
- 参与者被随机分配到16周的中等强度运动训练 (n=67) 或常规活动对照组 (n=69).
- 主要结论是从基线到16周的峰值氧耗 (VO2) 的变化.
主要成果:
- 与通常活动组相比,运动训练组的峰值氧气消耗显著增加 (+ 1. 35 mL/ kg/ min; P=. 02).
- 峰值VO2变化的组间差异为1. 27毫升/ 公斤/ 分钟 (95% CI,0. 17至2. 37).
- 在研究期间,两组都没有出现持续的心室节律失常,突然心脏骤停,除器冲击或死亡.
结论:
- 适度强度的运动训练对患有多变性心肌病的患者的运动能力有了微小但统计学上显著的改善.
- 这项研究表明,适度运动在该群体中具有潜在的安全性,没有报告重大心脏不良事件.
- 需要进一步的研究来确定长期临床意义和HCM患者的最佳运动强度.
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