Faculty of Physical Education and Recreation, University of Alberta, W1-34 Van Vliet Centre, Edmonton, Alberta, Canada T6G 2H9.
Faculty of Rehabilitation Medicine, University of Alberta, 8205, 114 Street, 3-48 Corbett Hall, Edmonton, Alberta, Canada T6G 2G4.
Respir Physiol Neurobiol. 2014 Feb 1;192:30-8. doi: 10.1016/j.resp.2013.11.009. Epub 2013 Dec 4.
The purpose of this study was to examine the physiological responses to treadmill and cycle cardiopulmonary exercise testing (CPET) in male and female COPD patients. Fifty-five patients [28 males (FEV1=58.2±19.5% predicted), and 27 females (FEV1=65.3±16.6% predicted)] completed a treadmill and a cycle CPET in random order on two separate days. Respiratory and cardiovascular data were obtained. Compared to the cycle CPET, the treadmill elicited greater peak power output and peak oxygen uptake, while arterial saturation at peak exercise was lower with the treadmill; however, there were no differences between the responses in men and women. No differences were observed in heart rate, ventilation, tidal volume/breathing frequency, inspiratory capacity, or dyspnea responses between modalities or sex. The physiological responses between treadmill and cycle CPET protocols are largely similar for both men and women with COPD, indicating that either modality can be used in mild/moderate COPD patients.
本研究旨在探讨男性和女性 COPD 患者在跑步机和踏车心肺运动测试（CPET）中的生理反应。55 名患者[28 名男性（FEV1=58.2±19.5%预计值）和 27 名女性（FEV1=65.3±16.6%预计值）]在两天内分别随机完成了跑步机和踏车 CPET。获得了呼吸和心血管数据。与踏车 CPET 相比，跑步机诱发的峰值功率输出和峰值摄氧量更大，而跑步机时的动脉血氧饱和度较低；然而，男性和女性之间的反应没有差异。两种模式或性别的心率、通气、潮气量/呼吸频率、吸气量或呼吸困难反应没有差异。COPD 患者的跑步机和踏车 CPET 方案之间的生理反应基本相似，这表明两种模式都可用于轻度/中度 COPD 患者。
