Usefulness of Decrease in Oxygen Uptake Efficiency to Identify Gas Exchange Abnormality in Patients with Idiopathic Pulmonary Arterial Hypertension

• Xiaoyue Tan ,

  Contributed equally to this work with: Xiaoyue Tan, Changwei Wu

  Affiliations Department of Pulmonary Function Test, Shanghai Pulmonary Hospital Affiliated to Tongji University, Shanghai, China, State Key Laboratory of Cardiovascular Disease, Heart-Lung Function Testing Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China

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• Wenlan Yang,

  Affiliation Department of Pulmonary Function Test, Shanghai Pulmonary Hospital Affiliated to Tongji University, Shanghai, China

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• Jian Guo,

  Affiliation Department of Pulmonary Function Test, Shanghai Pulmonary Hospital Affiliated to Tongji University, Shanghai, China

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• Yan Zhang,

  Affiliations Department of Pulmonary Function Test, Shanghai Pulmonary Hospital Affiliated to Tongji University, Shanghai, China, Respiratory Division, Hangzhou, Zhejiang Provincial Hospital of traditional Chinese Medicine, The First Affiliated Hospital of Zhejiang Chinese Medicine University, Hangzhou, China

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• Changwei Wu ,

  Contributed equally to this work with: Xiaoyue Tan, Changwei Wu

  Affiliation Department of Pulmonary Function Test, Shanghai Pulmonary Hospital Affiliated to Tongji University, Shanghai, China

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• Rikesh Sapkota,

  Affiliation Department of Pulmonary Circulation, Shanghai Pulmonary Hospital Affiliated to Tongji University, Shanghai, China

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• Shailendra Prasad Kushwaha,

  Affiliation Department of Pulmonary Circulation, Shanghai Pulmonary Hospital Affiliated to Tongji University, Shanghai, China

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• Sugang Gong,

  Affiliation Department of Pulmonary Circulation, Shanghai Pulmonary Hospital Affiliated to Tongji University, Shanghai, China

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• Xingguo Sun ,

  * E-mail: xgsun@labiomed.org (XGS); jinmingliu2013@163.com (JML)

  Affiliation State Key Laboratory of Cardiovascular Disease, Heart-Lung Function Testing Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China

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• Jinming Liu

  * E-mail: xgsun@labiomed.org (XGS); jinmingliu2013@163.com (JML)

  Affiliations Department of Pulmonary Function Test, Shanghai Pulmonary Hospital Affiliated to Tongji University, Shanghai, China, Department of Pulmonary Circulation, Shanghai Pulmonary Hospital Affiliated to Tongji University, Shanghai, China

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