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ICU重症患者在大手术后和（或)严重创伤等应激因素作用下，机体处于高分解、高代谢状态，能量消耗增加，蛋白、脂肪分解增加，糖异生增加，时间一长，则迅速出现营养不良、免疫力低下、机体抵抗力减弱[1-4]。营养支持是重症患者的重要治疗手段之一，而肠内营养作为一种方便、安全、有效的营养支持方式在临床得到广泛应用[5-9]。我科进行肠内营养支持过程中，采取了有效的护理措施，取得满意的临床效果。“,”ICU critically ill patients under stress factors after major surgery and (or) severe trauma,the body in high resolution,high metabolic state, increased energy consumption,protein,increased lipolysis,gluconeogenesis increase,over time,the rapid emergence of malnutrition,low immunity,body resistance weakened.Nutritional support is an important therapy in critically ill patients,and enteral nutrition as a convenient,safe,effective nutritional support methods are widely used in clinical.Our department enteral nutrition support process,to take effective care measures,and achieved satisfactory clinical results.