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Inhalation of hydrogen gas reduces liver injury during major hepatotectomy in swine

World Journal of Gastroenterology 2012年第37期18卷 5197-5204页

作者： Lei Xiang Jing-Wang Tan Li-Jie Huang Lin Jia Ya-Qian Liu Yu-Qiong Zhao Kai Wang Jia-Hong Dong Animal Experiment Centers PLA General Hospital Beijing 100853 China Institute of Hepatobiliary Surgery PLA General Hospital Beijing 100853 China

AIM： To study the effect of H2 gas on liver injury in massive hepatectomy using the Intermittent Pringle maneuver in swine. METHODS： Male Bama pigs （n = 14） treated with ketamine hydrochloride and Sumianxin Ⅱ as induc- tion drugs followed by inhalation anesthesia with 2% isoflurane, underwent 70% hepatotectomy with loss of bleeding less than 50 mL, and with hepatic pedicle occlusion for 20 min, were divided into two groups： Hydrogen-group （n = 7）, the pigs with inhalation of 2% hydrogen by the tracheal intubation during major hepa- totectomy; Contrast-group （n= 7）, underwent 70% hepatotectomy without inhalation of hydrogen. Hemo- dynamic changes and plasma concentrations of alanine aminotransferase （ALT）, aspartate aminotransferase （AST）, hyaluronic acid （HA）, tumor necrosis factor-α （TNF-α）, interleukin-6 （IL-6）, and malondialdehyde （MDA） in liver tissue were measured at pre-operation, post-hepatotectomy （PH） 1 h and 3 h. The apoptosis and proliferating cell nuclear antigen （PCNA） expres- sion in liver remnant were evaluated at PH 3 h. Then we compared the two groups by these marks to evalu- ate the effect of the hydrogen in the liver injury during major hepatotectomy with the Pringle Maneuver in the swine. RESULTS： There were no significant differences in body weight, blood loss and removal liver weight be- tween the two groups. There was no significant differ- ence in changes of portal vein pressure between two groups at pre-operation, PH 30 min, but in hydrogen gas treated-group it slightly decrease and lower than its in Contrast-group at PH 3 h, although there were no significant difference （P = 0.655）. ALT and AST in Hydrogen-group was significantly lower comparing to Contrast-group （P = 0.036, P = 0.011, vs P = 0.032, P = 0.013） at PH 1 h and 3 h, although the two groups all increased. The MDA level increased between the two group at PH i h and 3 h. In the hydrogen gas treated- group, the MDA level was not significantly significant at pre-operation and signif

关键词： Massive hepatotectomy Hydrogen gas, An-ti-oxidant hyperperfusion Malondialdehyde Oxidativestress

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Split liver transplantation:What's unique?

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World Journal of Transplantation 2015年第3期5卷 89-94页

作者： Aparna R Dalal Department of Anesthesiology Icahn School of Medicine at Mount Sinai

The intraoperative management of split liver transplantation(SLT) has some unique features as compared to routine whole liver transplantations. Only the liver has this special ability to regenerate that confers benefits in survival and quality of life for two instead of one by splitting livers. Primary graft dysfunction may result from small for size syndrome. Graft weight to recipient body weight ratio is significant for both trisegmental and hemiliver grafts. Intraoperative surgical techniques aim to reduce portal hyperperfusion and decrease venous portal pressure. Ischemic preconditioning can be instituted to protect against ischemic reperfusion injury which impacts graft regeneration. Advancement of the technique of SLT is essential as use of split cadaveric grafts expands the donor pool and potentially has an excellent future.

关键词： Graft to recipient body weight ratio Split liver transplantation Small for size syndrome Hemiliver grafts Portal hyperperfusion

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