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首页> 外文期刊>Nursing research >Test-retest reliability of symptom-limited cycle ergometer tests in patients with chronic obstructive pulmonary disease.
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Test-retest reliability of symptom-limited cycle ergometer tests in patients with chronic obstructive pulmonary disease.

机译：慢性阻塞性肺疾病患者的症状受限循环测功机测试的重测信度。

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摘要

BACKGROUND: Symptom-limited exercise tests are widely used to evaluate the effects of pulmonary rehabilitation in patients with chronic obstructive pulmonary disease (COPD), but the reliability of these tests is not well established in COPD patients. OBJECTIVES: We compared test-retest reliability of two repeated symptom-limited exercise tests between COPD patients and healthy elderly subjects and between male and female patients. METHOD: Fifty-six COPD patients (40 men, 16 women) and 16 healthy subjects (6 men, 10 women) performed two symptom-limited exercise tests approximately 2 weeks apart. Measures of oxygen uptake (VO2), minute ventilation (VE), heart rate, and ratings of breathlessness and leg fatigue were obtained at peak exercise at each symptom-limited exercise test. RESULTS: Repeated measures of peak exercise responses were stable for patients and healthy subjects and for male and female patients. Although mean percent error (absolute difference/mean) for peak exercise responses was low, some individuals' values exceeded 10%. There was no difference in the percent error between COPD patients and healthy subjects or between men and women with COPD. Test-retest reliability was lower for breathlessness ratings than for other peak exercise responses for all groups. CONCLUSIONS: Repeated symptom-limited exercise tests are reliable in COPD patients and healthy subjects. However, some individuals are less reliable, and these patients may require more than one exercise test to establish reliable performance.
机译：背景：症状受限运动测试已广泛用于评估慢性阻塞性肺疾病（COPD）患者的肺康复效果，但这些测试的可靠性在COPD患者中尚不明确。目的：我们比较了COPD患者与健康老年受试者以及男性和女性患者之间两次重复的症状受限运动测试的重测信度。方法：56名COPD患者（40名男性，16名女性）和16名健康受试者（6名男性，10名女性）进行了两次症状受限运动测试，间隔约2周。在每次症状受限的运动测试中，在运动高峰时获得氧气摄入量（VO2），分钟通气量（VE），心率以及呼吸困难和小腿疲劳等级。结果：重复测量峰值运动反应对于患者和健康受试者以及男性和女性患者都是稳定的。尽管峰值运动反应的平均误差百分比（绝对差/均值）较低，但某些人的值超过10％。在COPD患者和健康受试者之间或患有COPD的男性和女性之间，百分比误差没有差异。呼吸困难等级的重测信度均低于所有组的其他峰值运动反应。结论：在COPD患者和健康受试者中，反复进行症状受限运动测试是可靠的。但是，有些人的可靠性较差，这些患者可能需要进行一项以上的运动测试才能确定其可靠的表现。

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