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南京医科大学学报(自然科学版)                                  第41卷第4期
               ·522 ·                     Journal of Nanjing Medical University(Natural Sciences)   2021年4月


             ·临床医学·

              心肺运动试验在慢性阻塞性肺疾病相关性肺动脉高压评估中

              的作用



              陈雪松 ,宫素岗 ,袁          萍 ,王 岚 ,刘锦铭 ,解卫平          1*
                             2
                     1
                                     2
                                                     2
                                             2
               南京医科大学第一附属医院呼吸与危重症医学科,江苏                      南京    210029;同济大学附属上海市肺科医院肺循环科,上海
              1                                                          2
              200433
             [摘    要] 目的:通过比较慢性阻塞性肺疾病(chronic obstructive pulmonary disease,COPD)相关性肺动脉高压(pulmonary hy⁃
              pertension,PH)患者及 COPD 无 PH 患者在心肺运动试验(cardiopulmonary exercise testing,CPET)中气体交换及运动耐量的差
              异,探索CPET在COPD相关性PH无创评估中的作用。方法:94例稳定期COPD患者根据右心导管平均肺动脉压分为COPD⁃
              nonPH组、COPD⁃PH组、COPD⁃严重PH组,分别进行常规肺功能及CPET检查。结果:相较于COPD⁃nonPH,在发生PH后一氧
              化碳弥散量明显下降[(46.5 ± 21.8)% vs.(64.6 ± 34.0)%,P < 0.05]。COPD⁃PH组峰值功率、峰值摄氧量占预计值百分比、峰值
              公斤摄氧量、峰值氧脉搏及摄氧效率斜率均低于 COPD⁃nonPH 组,且随 PH 严重程度进一步降低,差异均有统计学意义(P <
              0.05)。COPD⁃PH组通气效率最低点高于COPD⁃nonPH组,且随PH严重程度明显升高(49.0 ± 24.6 vs. 38.6 ± 11.4 vs. 35.6 ± 9.6,
              P < 0.05)。峰值心率、呼吸交换率、摄氧效率平台、潮气末二氧化碳分压在各组间差异无统计学意义(P > 0.05)。结论:相较于
              COPD⁃nonPH患者,COPD⁃PH患者气体交换和运动耐量显著下降,且随PH严重程度进一步加重,CPET可以作为COPD相关性
              PH病情严重程度无创评估的有效工具。
             [关键词] 慢性阻塞性肺疾病;肺动脉高压;心肺运动试验;无创评估
             [中图分类号] R563                    [文献标志码] A                         [文章编号] 1007⁃4368(2021)04⁃522⁃06
              doi:10.7655/NYDXBNS20210408



              Role of cardiopulmonary exercise testing in evaluating of chronic obstructive pulmonary
              disease related pulmonary hypertension

                           1             2          2           2          2            1*
              CHEN Xuesong ,GONG Sugang ,YUAN Ping ,WANG Lan ,LIU Jinming ,XIE Weiping
               Department of Respiratory and Critical Care,the First Affiliated Hospital of Nanjing Medical University,Nanjing
              1
                      2
              210029;Department of Pulmonary Circulation,Shanghai Pulmonary Hospital Affiliated to Tongji University,
              Shanghai 200433,China


             [Abstract] Objective: To explore the role of cardiopulmonary exercise testing(CPET)in noninvasive evaluation of chronic
              obstructive pulmonary disease(COPD)related pulmonary hypertension(PH)by comparing the differences of gas exchange and exercise
              tolerance in CPET between patients with COPD related PH and patients without PH. Method:A total of 94 stable COPD patients were
              divided into COPD⁃nonPH group,COPD⁃PH group,COPD⁃severe PH group according to mean pulmonary artery pressure measured by
              right heart catheterization. All patients underwent routine lung function testing and CPET. Result:Compared with COPD⁃nonPH,
              diffusing lung capacity for carbon monoxide(DLCO)decreased significantly after PH occurred[(46.5 ± 21.8)% vs.(64.6 ± 34.0)%,
              P < 0.05]. Peak load,peak VO2% pred,peak VO2/kg,peak O2 pulse,and oxygen uptake efficiency slop(OUES)in COPD⁃PH group
              were lower than those in COPD⁃nonPH group,and further decreased with PH severity,there were statistically significant differences
             (P < 0.05). The ventilatory equivalents for CO 2 nadir(VE/VCO2 nadir)in COPD⁃PH group was higher than that in COPD⁃nonPH
              group,and increased significantly in severe PH group(49.0 ± 24.6 vs. 38.6 ± 11.4 vs. 35.6 ± 9.6,P < 0.05). Other outcomes such as
              peak heart rate,respiratory exchange rate(RER),oxygen uptake efficiency platform(OUEP),and peak end⁃tidal CO 2 partial pressure

             [基金项目] 江苏省卫生计生委科研课题(H201601)
              ∗
              通信作者(Corresponding author),E⁃mail: wpxie@njmu.edu.cn
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