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  • Title: [The influence of early enteral immunonutrition on immunological function of body and intestine in severely scalded rats].
    Author: Guo GH, Cai C, Fan J, Zhang HY, Li GH.
    Journal: Zhonghua Shao Shang Za Zhi; 2007 Aug; 23(4):257-60. PubMed ID: 18095547.
    Abstract:
    OBJECTIVE: To investigate the influence of early enteral immunonutrition on immunological function of body and intestine in severely scalded rats. METHODS: Sixty-four healthy adult SD rats were subjected to 30% TBSA full-thickness scald and randomly divided into enteral nutrition group (EN, n = 32) and enteral immunonutrition group (EIN, n = 32). Another 8 healthy rats were enrolled as normal controls. The changes in CD3+, CD4+, CD8+ T lymphocyte subsets, the PCNA expression in intestinal mucosa,the amount of plasmocytes in lamina propria of small intestine and the content of s-IgA in small intestine were determined on 1, 4, 7 and 10 post-burn days (PBD). RESULTS: (1) CD3+, CD4+ and the ratio of CD4+/CD8+ were remarkably declined, while CD8+ was obviously raised after scald in EN group, and there were statistically significant differences at most of time-points when compared with those in control group (P < 0.05 or P < 0.01). CD3+, CD4+ and the ratio of CD4+/CD8+ on 7 and 10 PBD in EIN group were obviously higher (increased from 4 PBD on, and it was 1.86 +/- 0.25 on 10 PBD) than those in EN group (CD4+/CD8+ was 1.26 +/- 0.10 on 10 PBD), while CD8+ in EIN group was evidently lower than that in EN group (P < 0.01). (2) The level of PCNA expression in intestinal mucosa, the amount of plasmocytes in lamina propria of small intestine and the content of s-IgA in small intestine in EIN group were increased significantly compared with EN group on 4, 7, 10 PBD (P < 0.05 or P < 0.01). CONCLUSION: Early enteral immunonutrition can improve immunological function of body and intestine after severe scald, with better results than enteral nutrition.
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