PMID- 20398463 OWN - NLM STAT- MEDLINE DCOM- 20110708 LR - 20100419 IS - 1003-0603 (Print) IS - 1003-0603 (Linking) VI - 22 IP - 4 DP - 2010 Apr TI - [The role of mesenteric lymph in pathogenesis of systemic inflammatory response syndrome and systemic complications following severe acute pancreatitis in rats]. PG - 206-9 AB - OBJECTIVE: To observe the effect of mesenteric lymph duct ligation (MLDL) on systemic inflammatory response syndrome (SIRS) and systemic complications in severe acute pancreatitis (SAP) in rats. METHODS: Twenty-four Sprague-Dawley (SD) male rats were randomly divided into sham operation group, SAP group, and SAP+MLDL group, with 8 rats in each group. Sham operation group underwent laparotomy only. SAP complicated with multiple organ injury model was reproduced by retrograde injection of sodium taurocholate into the pancreatic duct in SD rats. In SAP+MLDL group MLDL was performed before reproduction of SAP. Rats were sacrificed at 24 hours after operation. The terminal ileum were collected for examination under light microscope. The samples of pancreas, lung and liver were collected for measuring the level of myeloperoxidase (MPO). The mesenteric lymph nodes were harvested for standard bacteriologic culture. The blood levels of diamine oxidase (DAO), D-lactate, endotoxin, tumor necrosis factor-alpha (TNF-alpha) and interleukin-6 (IL-6) were also measured. RESULTS: The blood levels of DAO [(0.64 + or - 0.17) kU/L vs. (0.37 + or - 0.07) kU/L], D-lactate [(8.16 + or - 1.79) ng/L vs. (3.24 + or - 1.00) ng/L], endotoxin [(0.068 + or - 0.019) kEU/L vs. (0.033 + or - 0.009) kEU/L], TNF-alpha [(65.21 + or - 13.38) ng/L vs. (22.16 + or - 5.04) ng/L] and IL-6 [(7.95 + or - 1.83) ng/L vs. (4.26 + or - 1.23) ng/L] in SAP group were increased significantly comparing with those in sham operation group (all P<0.01). The contents of pulmonary tissue [(9.07 + or - 2.52) U/g vs. (4.38 + or - 1.29) U/g], pancreatic [(5.14 + or - 1.24) U/g vs. (2.88 + or - 0.75) U/g] and liver [(6.36 + or - 1.63) U/g vs. (3.19 + or - 0.96) U/g] MPO were increased significantly in SAP group comparing with those in sham operation group (all P<0.01). The rate of bacterial translocation to mesenteric lymph nodes in SAP group was significantly higher than that of the sham operation group (75.0% vs. 0, P< 0.01). Compared to SAP group, the contents of DAO [(0.50 + or - 0.13) kU/L], D-lactate [(6.23 + or - 1.25) ng/L] , endotoxin [(0.048 + or - 0.014) kEU/L], TNF-alpha [(48.50 + or - 13.23) ng/L] and IL-6 [(6.06 + or - 1.64) ng/L] were significantly decreased in SAP+MLDL group (P<0.05 or P<0.01). The levels of pulmonary [(6.58 + or - 1.96) U/g], pancreatic [(4.01 + or - 1.05) U/g] and liver [(4.64 + or - 1.34) U/g] MPO, as well as the rate of bacterial translocation to mesenteric lymph nodes (12.5%) were significantly lower in SAP+MLDL group than those in SAP group (all P<0.05). CONCLUSION: MLDL decreases bacteria/ endotoxin translocation and reduces the systemic inflammatory response by interrupting the lymph flow from the injured gut into the bloodstream. This procedure may protect the small intestine mucosal barrier function and other organs by reducing the neutrophil aggregation and the release of cytokines. FAU - Zou, Zhong-dong AU - Zou ZD AD - Research Institute of General Surgery, Fuzhou General Hospital of Nanjing Military Command, Fuzhou 350025, Fujian, China. FAU - Zhang, Zai-zhong AU - Zhang ZZ FAU - Wang, Lie AU - Wang L FAU - Wang, Yu AU - Wang Y FAU - Zheng, Guo-hua AU - Zheng GH LA - chi PT - English Abstract PT - Journal Article PT - Research Support, Non-U.S. Gov't PL - China TA - Zhongguo Wei Zhong Bing Ji Jiu Yi Xue JT - Zhongguo wei zhong bing ji jiu yi xue = Chinese critical care medicine = Zhongguo weizhongbing jijiuyixue JID - 9887521 RN - 0 (Interleukin-6) RN - 0 (Tumor Necrosis Factor-alpha) SB - IM MH - Animals MH - Disease Models, Animal MH - Interleukin-6/blood MH - Intestine, Small/pathology MH - Ligation MH - Lymph Nodes/microbiology MH - Lymphatic Vessels/*surgery MH - Male MH - Mesentery/microbiology MH - Pancreatitis/*complications/pathology MH - Rats MH - Rats, Sprague-Dawley MH - Systemic Inflammatory Response Syndrome/etiology/*prevention & control MH - Tumor Necrosis Factor-alpha/blood EDAT- 2010/04/20 06:00 MHDA- 2011/07/09 06:00 CRDT- 2010/04/20 06:00 PHST- 2010/04/20 06:00 [entrez] PHST- 2010/04/20 06:00 [pubmed] PHST- 2011/07/09 06:00 [medline] PST - ppublish SO - Zhongguo Wei Zhong Bing Ji Jiu Yi Xue. 2010 Apr;22(4):206-9.