• Guang-Hua Guo, Cheng Xu, Xiang-Jun Bai, Jian-Hua Zhan, Hong-Yan Zhang, Zhi-An Zhang, Yan-Xia Wang, Fang Fang, and Guo-Hui Li.
• Department of Traumatic Surgery, Tongji Hospital Affiliated to Tongji Medical College of Huazhong University of Science and Technology, Wuhan 430030, China.
• Zhonghua Shao Shang Za Zhi. 2009 Jun 1;25(3):211-4.

ObjectiveTo investigate the effects of arginine enriched enteral nutrition (EN) on nutritional status and cellular immunity of severely burned patients.MethodsRandomized, single blind, parallel and positive control investigation was employed in the study. Thirty severely burned patients were divided into enteral immune nutrition (EIN) group and EN group. Sixteen patients in EIN group received enteral nutrition enriched with arginine, while the other 14 patients in EN group received standard enteral nutrition. Nutritional support was continued for 14 days. Gastrointestinal reaction of patients in 2 groups was observed. Fasting venous blood was drawn from patients of both groups before receiving nutrition treatment and on the morning of 7th, 14th day of treatment. Level of serum protein, hepatic function parameters, renal function parameters, fasting-blood glucose, and subpopulations of T lymphocytes in peripheral blood were determined.Results(1) Incidence of gastrointestinal side effect in EIN group (25.0%) was close to that of EN group (21.4% , P > 0.05). (2) Compared with pre-treatment days, levels of prealbumin and transferrin in serum of patients in 2 groups on 7th and 14th post-treatment days were significantly increased (P < 0.05 or P < 0.01), but there was no significant difference between 2 groups. The level of total serum protein on 14th day of treatment of patients was significantly increased in both groups, and that of EIN group (66 +/- 7 g/L) was significantly higher compared with that in EN group (64 +/- 11 g/L, P < 0.05). The level of serum albumin (29 +/- 5, 32 +/- 5 g/L, respectively) of patients in EIN group on 7th and 14th day of treatment were significantly higher than that (26 +/- 4 g/L, P < 0.05) in pre-treatment days, however there was no significant difference in EN group. (3) There was no significant difference in respect of hepatic function, renal function, and fasting-blood glucose between pre-treatment and post-treatment periods in both groups (P > 0.05). (4) The ratio of CD4(+), CD8(+) on 14th day of treatment in EIN group was close to that of pretreatment level. In EN group, cell percentage of CD4(+) significantly decreased, while that of CD8(+) significantly increased (P < 0.05), and CD4(+) was significantly higher [(56 +/- 8)%] in EIN group than that in EN group [(55 +/- 12)%, P < 0.05]. In both groups, cell percentage of CD3(+) was significantly higher than that in pre-treatment days (P < 0.05), while there was no obvious change in CD4(+)/CD8(+).ConclusionsArginine enriched enteral nutrition can effectively improve nutritional status and cellular immune function of burn patients.

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