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  • Title: [Early enteral and glutamine enriched enteral feeding ameliorates healing of colonic anastomosis: experimental study].
    Author: Gökpinar I, Gürleyik E, Pehlivan M, Ozcan O, Ozaydin I, Aslaner A, Demiraran Y, Gültepe M.
    Journal: Ulus Travma Acil Cerrahi Derg; 2006 Jan; 12(1):17-21. PubMed ID: 16456746.
    Abstract:
    BACKGROUND: To investigate the effects of postoperative early enteral and glutamine enriched enteral feeding on the healing of experimental colonic anastomosis. METHODS: Forty Wistar-albino rats were equally divided into 4 groups. Colonic transsection and anastomosis situated at the distal left colon was performed on all animals. Animals in groups 1 and 2 received late total enteral nutrition (TEN) and in groups 3 and 4 early TEN. Glutamine was added to TEN protocol in groups 2 and 4. The colonic segment including the anastomosis was excised at the end of the 7th day postoperatively. Bursting pressure of the anastomosis and tissue hydroxyproline levels were determined. RESULTS: Bursting pressure levels were 111.6 and 95.8 centimeters of water (cmH(2)O) in early and late nutrition groups, respectively (p=0.022). Comparison of late TEN groups showed a significant difference in favor of group with glutamine (95.8 vs 138.5 cmH(2)O; p<0.0001). Highest bursting pressures (139 and 138.5 cmH(2)O) were measured in both early and late TEN groups with glutamine. Tissue hydroxyproline level in early TEN group (2440.3 microg) was significantly higher than late TEN group (1509.6 microg; p=0.024). Comparison of late TEN groups showed a considerable but not statistically significant difference (p=0.276) in favor of group with glutamine (1509.6 vs 1981.6 microg). CONCLUSION: Postoperative early TEN significantly ameliorates the resistance of the anastomosis and collagen synthesis. Glutamine enrichment in nutritional protocol decreases and reverses the disadvantages of late TEN regarding the resistance of anastomosis. A similarly positive, albeit weaker, effect of glutamine supplementation is also seen on collagen synthesis.
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