单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级肠外营养(Parenteral NutritionPN)全胃肠道外营养(Total Parenteral NutritionTPN)肠内营养 (Enteral Nutrition EN) 目标： TPN PNEN EN PN到EN的过渡4阶段： 1.PN管饲 2.单纯管饲

Parenteral NutritionGraphic source: _ Nutrition (Definitionponents are in elemental or pre-digested formProtein as amino acidsCHO as dextroseFat as lipid emulsionElectrolytes vitamins and minera