运动训练和高灵敏度心脏托罗邦素-I在心力衰竭患者减少喷射分数的患者
Egil Riveland1,2, Torstein Valborgland1, Anastasia Ushakova3
1Department of Cardiology, Stavanger University Hospital, Stavanger, Norway.
ESC heart failure
|January 25, 2024
概括
在心力衰竭患者中,结构化的运动训练适度降低了高灵敏度心脏 I (hs-cTnI). 这种减少在没有并发症的患者中是显著的,并且与改善的心脏重塑和功能有关.
科学领域:
- 心脏病学 心脏病学
- 运动生理学 运动生理学
背景情况:
- 慢性心力衰竭 (CHF) 与减少喷射率 (HFrEF) 具有心脏重塑和功能能力受损的特征.
- 生物标志物,如高灵敏性心脏素I (hs-cTnI) 和N-终端脑前性尿素 (NT-proBNP),用于评估心脏应变和重塑.
- 运动训练是心脏不全症的基石治疗,但它对特定心脏生物标志物的影响需要进一步阐明.
研究的目的:
- 评估12周运动计划对HFrEF (NYHAII-III类) 患者hs-cTnI水平的影响.
- 探索hs-cTnI变化与左心室重塑,功能容量 (VO2峰值) 和填充压力 (NT-proBNP) 之间的关联.
主要方法:
- 在SMARTEX试验的一项子研究中,有196名患有HFrEF的患者随机接受了12周的高强度间歇训练 (HIIT),中等强度持续训练 (MCT) 或定期炼建议 (RRE).
- HIIT和MCT组被合并为一个监督运动训练 (SET) 组,RRE作为对照组 (CG).
- 测量了hs-cTnI,左心室终端透气直径 (LVEDD),VO2峰值和NT-proBNP. 线性混合模型分析了关联.
主要成果:
- 在12周内,SET组显示hs-cTnI (11.9至11.5 ng/L,P=0.030) 略微但显著降低,尽管在SET和CG (P=0.116) 之间没有发现显著差异.
- 在没有其他并发症 (例如高血压,糖尿病) 的患者中,SET组与CG相比,hs-cTnI显著降低 (P=0.007).
- 在所有患者中,hs-cTnI的变化与LVEDD,VO2峰值和NT-proBNP的变化显著相关.
结论:
- 12周的结构化运动干预导致稳定HFrEF患者hs-cTnI的适度但显著降低.
- 在没有并发症的患者中,hs-cTnI的减少特别明显和显著.
- 观察到的hs-cTnI的变化与左心室尺寸,尿水平和功能能力的改善相关.
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