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心肺运动试验在慢性心力衰竭中的临床应用 被引量:5

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摘要 心肺运动试验(cardiopulmonary exercise test,CPET)作为一种非侵入性方法评价心功能,应用于临床已长达半个多世纪,常应用于以劳力性呼吸困难为主诉的患者,主要通过记录运动过程中心率、血压、心电图和肺通气功能等数据,由此测定最大耗氧量(VO2max)、峰值耗氧量(VO2peak)、无氧阈(AT)、二氧化碳通气斜率(VE/VCO2)等指标,从而全面评估心肺功能。CPET不仅能客观地反映心脏的储备能力,而且可对心肺功能进行定量分析,为慢性心力衰竭定量分级、预测预后提供客观依据。
出处 《医学研究杂志》 2012年第11期15-17,共3页 Journal of Medical Research
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