心脏康复运动频率对冠心病患者运动能力的影响：一项回顾性研究。
心脏康复运动频率对冠心病患者运动能力的影响：一项回顾性研究。
Javier Loureiro Diaz, Praveen Jayaprabha Surendran, Amine Ghram, Prasobh Jacob, Liam David Foster, Omar Ibrahim, Rajvir Singh, Mohammed Abdulla A A Al-Hashemi
摘要
心脏康复（CR）可明显改善冠状动脉疾病（CAD）患者的心血管预后。国际指南推荐的最低运动频率各不相同，从每周 1 次到 3 次不等。这是中东和北非地区的第一项研究，旨在评估每周 2 天与 3 天的指导锻炼对冠心病患者峰值运动能力的影响。这项单中心回顾性队列研究涉及卡塔尔国唯一一家 CR 中心的 362 名患者。通过严格评估运动干预的依从性，只纳入了高质量的数据。研究纳入了 50 名在 CR 之前和 CR 之后接受过症状限制性运动测试的患者（31 名患者每周 2 天，19 名患者每周 3 天）。各组间的基线特征无明显差异。运动干预组之间在运动训练频率上存在显著差异（2 天/周：1.97 ± 0.2 vs. 3 天/周：2.7 ± 0.3；P = 0.87）。当运动总次数相同时，每周 2 天和 3 天的监督运动频率可显著提高 CAD 患者的峰值运动能力。
本文章由计算机程序翻译，如有差异，请以英文原文为准。
Impact of cardiac rehabilitation exercise frequency on exercise capacity in patients with coronary artery disease: a retrospective study.
Cardiac rehabilitation (CR) significantly improves cardiovascular outcomes in patients with coronary artery disease (CAD). International guidelines vary in the minimum recommended frequency of supervised exercise from 1 to 3 sessions per week. This is the first study in the Middle East and North African regions assessing the impact of 2 versus 3 days/week of supervised exercise on peak exercise capacity in patients with CAD. Single-center retrospective cohort study involving 362 patients enrolled in the only CR center in the State of Qatar. Only high-quality data was included by strict evaluation of compliance to the exercise intervention. Fifty patients who underwent a symptom-limited exercise test before and after CR were included (31 patients on 2 days/week, 19 on 3 days/week). No significant differences were observed in baseline characteristics between groups. Exercise intervention differed significantly between groups in exercise training frequency (2 days/week: 1.97 ± 0.2 vs. 3 days/week: 2.7 ± 0.3; p < 0.00). Peak exercise capacity as peak metabolic equivalents of task (MET) significantly increased in both groups (2 days/week: Pre 8.3 ± 2.4 vs. Post 9.4 ± 2.9, p-value 0.00; 3 days/week: Pre 7.4 ± 1.6 vs. Post 8.4 ± 2.0, p-value 0.00). No significant difference was observed between groups for change in Peak Exercise Capacity (2 days/week 1.1 ± 1.1 vs. 3 days/week 1.0 ± 0.9, p = 0.87). When the total number of exercise sessions is equal, supervised exercise frequencies of 2 and 3 days/week may significantly and equally improve peak exercise capacity in patients with CAD.
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