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张国林,郭兰,$2,麦劲壮,刘智,黄思贤.同步实时测峰值摄氧量与6min步行试验[J].中国康复医学杂志,2007,22(7):596~598
同步实时测峰值摄氧量与6min步行试验    点此下载全文
张国林  郭兰  $2  麦劲壮  刘智  黄思贤
[1]广东省人民医院心内科、广东省心血管病研究所,广州市中山二路106号510080 [2]广东省人民医院ICU,广州市中山二路106号510080
基金项目:广东省医学科研基金立项资助项目(A2002064)
DOI:
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摘要:
      目的:评价健康受试者6min步行试验(6MWT)中峰值摄氧量(peak VO2,PVO2)与步行距离的关系。方法:对51例健康受试者进行6min步行试验,同时采用无线遥测便携式K4B^2气体分析仪实时测量每次呼吸的VO2、VCO2等气体交换参数。结果:6MWT的步行距离与PVO2呈线性相关(r=0.619,P〈0.001),回归方程VO2/kg=0.05D-6.331(P〈0.001)。PVO2〉PVCO2,R〈1,提示6MWT为无氧阈以下的运动试验。结论:6MWT步行距离与PVO2密切相关,此方法安全简便,对于评价心肺功能以及评估心肺康复治疗疗效有很好的应用价值。
关键词:6min步行试验 摄氧量 无氧阈 心肺功能
Real-time peak oxygen uptake and six-minute walk test    Download Fulltext
ZHANG Guolin  GUO Lan  LI He  et al
Fund Project:
Abstract:
      Objective:To assess the relationship between peak oxygen uptake(PVO2) and ambulation distance in six-minute walk test(6MWT) among the healthy subjects.Method:Fifty one healthy subjects were recruited for.Data of pulmonary gas exchange in breathing,such as VO2,VCO2 were real-time measured with wireless remote sensing K4B2.Result:It was noticed there was a positive linear correlation between the ambulation distance and PVO2(r=0.619,P<0.001= in 6MWT.The regression equation was set up(VO2/kg =0.05D-6.331,P<0.001=.PVO2>PVCO2,R<1 were found,which suggested 6MWT was a test under anaerobic threshold.Conclusion:There was a closely positive linear correlation between the ambulation distance and PVO2 in 6MWT,which is safe,convenient and valuable for the evaluation of cardiopulmonary function.
Keywords:six-minute walk test  oxygen uptake  anaerobic threshold  cardiopulmonary function
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