Metabolic characteristics and perioperative nutritional therapy in patients with respiratory insufficiency        QIN Huan-long, YANG Jun. Department of Surgery, the Sixth People Hospital of Shanghai Jiao Tong University, Shanghai 200233, China
Corresponding  author ：QIN Huan-long, E-mail：hlqin@sjtu.edu.cn

Abstract    Patients with respiratory insufficiency may occur varying degrees of nutritional problems. Reasonable nutritional therapy during the period of operation is an important part of patient’s treatment, it may influence the outcomes of the surgery.