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王 磊,高真真,潘化平.个体化有氧运动对冠心病患者心率恢复及运动能力的影响[J].中国康复医学杂志,2015,(3):242~246
个体化有氧运动对冠心病患者心率恢复及运动能力的影响    点此下载全文
王 磊  高真真  潘化平
南京中医药大学康复医学系,南京,210046
基金项目:全国高校博士点基金项目(20123237120008);省局共建一期项目开放课题(SJGJ035)
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摘要:
      摘要 目的:探讨个体化有氧运动对心率恢复异常冠心病患者心率恢复情况及运动能力的影响,并分析两者间的相关性。 方法:招募经冠状动脉造影确诊的冠心病患者行心肺运动试验(CPET),将75例心率恢复异常(试验终止1min时的心率恢复值(HRR1)≤12次/min)的患者纳入研究,并随机分为康复组(38例)和对照组(37例)。对照组进行常规药物治疗;康复组在对照组基础上加以强度为60%—85%目标心率的个体化有氧运动训练,每次40min,每周3次,共12周。所有患者研究结束后再次进行CPET评估心率恢复及运动能力情况。 结果:训练前,两组患者HRR1、峰值功率(PP)、峰值摄氧量(VO2peak)、无氧阈(AT)均无显著差异(P>0.05);训练后,康复组的PP、VO2peak、AT与训练前相比,差异具有显著性(P<0.01,P<0.01,P<0.05),且优于对照组(P<0.05);在HRR1方面,康复组与训练前比较,差异具有显著性(P<0.05);但与对照组相比,差异并不显著(P>0.05),训练后,康复组有16例患者HRR1>12次/min,且PP、VO2peak与HRR1≤12次/min的患者相比,差异具有显著性(P<0.05);康复组HRR1的提高值(△HRR1)与运动能力提高水平(△VO2peak、△PP)呈显著相关性(r=0.347,P<0.05;r=0.419,P<0.01)。 结论:虽然有氧运动在改善心率恢复方面并不像提高运动能力那样显著,但是有氧运动可以改善心率恢复并与运动能力的提高密切相关。
关键词:有氧运动  冠心病  心率恢复  运动能力
Effects of individual aerobic exercise on heart rate recovery and exercise capacity in patients with coronary heart disease    Download Fulltext
Nanjing University of Chinese Medicine, Nanjing, 210046
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Abstract:
      Abstract Objective: To investigate the effects of individual aerobic exercise on heart rate recovery and exercise capacity in coronary heart disease patients with abnormal heart rate recovery, and to analyze the correlation between them. Method: Coronary heart disease patients were diagnosed by coronary angiography and recruited to evaluate by cardiopulmonary exercise test (CPET). Seventy-five patients with abnormal heart rate recovery (HRR1≤12 beats/min at 1min into the recovery phase after test) were enrolled in this study. All patients were randomly divided into rehabilitation group (n=38) and control group (n=37). The two groups were treated with conventional drugs; rehabilitation group was trained by extra individual aerobic exercise with the intensity of 60% to 85% aim heart rate, 40min each time, 3 times a week, for 12 weeks. The heart rate recovery and exercise capacity of all the patients were evaluated by CPET after therapy. Result: The patients of two groups showed no significant difference (P>0.05) in HRR1, peak power (PP), peak oxygen uptake (VO2peak) and anaerobic threshold (AT) before treatment. After 12 weeks training, the PP, VO2peak and AT of rehabilitation group showed significant differences (P<0.01, P<0.01, P<0.05) than that before and the control group (P<0.05). With regard to HRR1, the rehabilitation group showed significant difference (P<0.05) than that before, but there was no significant difference compared with control group (P>0.05). Meanwhile, there were 16 patients had improvement in HRR1 (HRR1>12 beats/min) in rehabilitation group, and their PP and VO2peak showed significant difference (P<0.05) to those (HRR1≤12 beats/min). In rehabilitation group, there was significant correlation (r=0.347, P<0.05; r=0.419, P<0.01) between the improved HRR1 (△HRR1) and increased level of exercise capacity (△VO2peak, △PP). Conclusion: The heart rate recovery can be improved by aerobic exercise and is closely related to exercise capacity, although the improvement of heart rate recovery is not as significant as exercise capacity.
Keywords:aerobic exercise  coronary heart disease  heart rate recovery  exercise capacity
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