炎症性肠疾病(IBD)是一组病因不十分清楚的慢性非特异性疾病。包括溃疡性结肠炎(UC)和克罗恩病(CD),二者在病因、发病机制及临床表现上有许多相似之处。IBD病变范围广泛,反复发作,消化道症状重,易发生营养不良,而药物或手术治疗更加重营养障碍。营养支持不仅使肠道得以休息,减 Inflammatory bowel disease (IBD) is a group of chronic nonspecific diseases whose etiology is not well understood. Including ulcerative colitis (UC) and Crohn’s disease (CD), have many similarities in etiology, pathogenesis and clinical presentation. IBD lesions range, recurrent, gastrointestinal symptoms, prone to malnutrition, and drugs or surgical treatment more emphasis on nutritional disorders. Nutritional support not only allows the gut to rest, less