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目的：研究心肺运动试验（cardiopulmonary exercise testing, CPET）在稳定期A组慢性阻塞性肺疾病（chronic obstructive pulmonary disease, COPD）患者中病情评估的价值。方法分别对20例男性稳定期A组COPD患者和20名健康男性做常规肺功能检查（pulmonary function test, PFT）和CPET检查。记录常规肺功能参数包括第一秒用力肺容积（FEV1）、第一秒用力肺容积占预计值百分比（FEV1% pred）、用力肺活量（FVC）、用力肺活量占预计值百分比（FVC% pred）、一秒率（FEV1/FVC）、最大通气量占预计值百分比（MVV% pred）；CPET参数包括峰值运动功率（peak load）、峰值摄氧量（peak VO2）、峰值摄氧量占预计值的百分比（peak VO2%pred）、公斤摄氧量（peak VO2/kg）、峰值分钟通气量（peak VE）、峰值心率（peak HR）、峰值氧脉搏（peak VO2/HR）。比较A组COPD患者组与对照组各项参数的差异。结果 A组COPD组的peak load、peak VO2、peak VO2% pred、peak VO2/kg、peak VE均低于对照组，差异有统计学意义（P＜0.05），参数peak HR、peak VO2/HR较对照组差异无统计学意义（P＞0.05）。结论 CPET对稳定期A组COPD患者运动状态下的病情评估有确定的应用价值，较静态PFT有补充价值，便于医生全面评估患者的运动耐力、心肺功能。“,”Objective To study the evaluating value of cardiopulmonary exercise testing (CPET) in group A of stable chronic obstructive pulmonary disease (COPD).Methods 20 stable male group A of COPD and 20 healthy men underwent pulmonary function test (PFT) and CPET. The parameters of PFT included FEV1, FEV1% pred, FVC, FVC% pred, FEV1/FVC, MVV% pred. The parameters of CPET included peak load, peak VO2, peak VO2% pred, peak VO2/kg, peak VE, peak HR, peak VO2/HR. Then we compared the differences of the results in the group A of COPD and healthy group.Results There was signifi cant reduction on peak load, peak VO2, peak VO2% pred, peak VO2/kg, peak VE in group A of COPD to healthy group. The results of peak HR, peak VO2/HR had no statistical difference between two groups.Conclusion CPET has assured practical applications in evaluating the stable group A of COPD. CPET has added value to PFT. CPET can help the doctors to evaluate completely the exercise tolerance and cardiopulmonary function.