1Department of General Surgery， Beijing Institute of Translational Medicine， Chinese Academy of Sciences/Aviation General Hospital， Beijing 100012， China;2Department of Clinical Nutrition， Beijing Institute of Translational Medicine， Chinese Academy of Sciences/Aviation General Hospital， Beijing 100012， China;3Department of Gastrointestinal Surgery/Clinical Nutrition， Beijing Shijitan Hospital/Capital Medical University Beijing International Science and Technology Cooperation Base for Cancer Metabolism and Nutrition/Department of Oncology， Capital Medical University， Beijing 100038， China
Abstract：Peripheral parenteral nutrition (PPN) is one of the methods of parenteral nutritional support treatment. PPN can be used for nutritional supplement in patients who cannot receive enteral nutrition treatment or intake insufficient enteral nutrition treatment， as well as for patients who cannot establish central venous pathways or patients who have short term， low calorie or low nitrogen requirements. PPN has the advantages of quick and simple nutrient solution access， lower medical cost and fewer complications. Many clinical trials and researchers have confirmed that PPN is safe and effective for perioperative patients. The idea that parenteral nutrition with low osmotic pressure can be safely used for PPN has been widely accepted clinically. The addition of fat emulsions into parenteral nutrition solution can lower the high osmolarity produced by amino acids， glucose and electrolytes， and reduce the incidence of thrombophlebitis. Meanwhile， PPN application time should be shorten to avoid long-term use. During using PPN， the nutrition support group should observe and monitor the site of puncture and infusion on a daily basis， so as to timely find the symptoms and signs of thrombophlebitis and timely deal with them.
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1FAN Yue-ping， 2ZHANG Tian， 2QU Qian-nuo， 3SHI Han-ping. Interpretation of expert consensus for nutritional therapy pathway of malignant tumor in China—peripheral venous catheterization. Electron J Metab Nutr Cancer, 2019, 6(3): 301-304.
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