基于6分钟步行试验距离探索急性心肌梗死患者中相当于无氧阈的运动强度。
Exploring the exercise intensity equivalent to the anaerobic threshold in patients with acute myocardial infarction based on the 6-minute walk test distance.
作者信息
Fan Yuxuan, Sun Xiaopeng, Li Guihua, Wang Xiaojing, Luo Qian, Wang Lemin, Shen Yuqin, Fan Zhiqing
机构信息
Department of Rehabilitation, Tongji Hospital Affiliated to Tongji University, Tongji University School of Medicine, Shanghai, China.
Department of Cardiology Rehabilitation, Daqing Oilfield General Hospital, Daqing, Heilongjiang, China.
出版信息
Front Cardiovasc Med. 2025 Feb 25;12:1452802. doi: 10.3389/fcvm.2025.1452802. eCollection 2025.
OBJECTIVE
This study aimed to evaluate the correlation between aerobic exercise intensity based on the 6 min walk test (6MWT) and the anaerobic threshold (AT)-based equivalent in patients with acute myocardial infarction (AMI). The feasibility of using the 6MWT for exercise prescription in primary care settings was also investigated.
METHODS
A retrospective analysis was conducted on data from AMI patients, including statistics on all values of the cardiopulmonary exercise test and 6MWT parameters.
RESULTS
Regression analysis showed that the regression equation based on 6MWD exercise intensity (EI) could predict AT-based exercise intensity (EI). Moreover, EI correlated with EI in 91.9%-93.0% of patients' EI, with AMI equivalent to the EI model.
CONCLUSIONS
The findings suggest that the anaerobic threshold in AMI patients corresponds to 91.9%-93.0% of the distance covered during the 6MWT. Thus, the 6MWT is a feasible tool for developing exercise prescriptions in primary care hospitals.
目的
本研究旨在评估急性心肌梗死（AMI）患者基于6分钟步行试验（6MWT）的有氧运动强度与基于无氧阈（AT）的等效强度之间的相关性。同时还研究了在基层医疗环境中使用6MWT进行运动处方的可行性。
方法
对AMI患者的数据进行回顾性分析，包括心肺运动试验的所有值和6MWT参数的统计。
结果
回归分析表明，基于6MWD运动强度（EI）的回归方程可以预测基于AT的运动强度（EI）。此外，在91.9%-93.0%的患者EI中，EI与EI相关，AMI等同于EI模型。
结论
研究结果表明，AMI患者的无氧阈相当于6MWT期间所走距离的91.9%-93.0%。因此，6MWT是基层医疗医院制定运动处方的可行工具。
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