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Chinese Journal of Current Advances in General Surgery ; (4): 845-850,855, 2017.
Article Dans Chinois | WPRIM | ID: wpr-703768

Résumé

Objective:To better understand the pathogenesis of obstructive jaundice (O J),a variety of rat OJ and biliary drainage models have been tried;however,complications are still common.We aimed to establish a stable rat model of OJ using microsurgical techniques,and to assess its reversal by internal bile drainage(IBD).Methods:After the pilot study,we developed a standardized surgical procedure.All operations were carried out under an operating microscope.In the first laparotomy,the proximal common bile duct (CBD) of the rat was ligated and transected.A tube was introduced into the distal end of the duct,and the other end of the tube was sealed and fixed.In the second laparotomy,the drainage tube was inserted into the (by now markedly dilated) proximal CBD,and ligated into position.We evaluated the general condition of the rats,the status of the liver and pancreas before and after IBD.Results:Complications such as intestinal reflux and bile duct blockage,were not found.Pancreatic injury was not evident by day 4 after the first laparotomy.After biliary drainage,the serum glucose and albumin concentration rapidly returned to normal levels.Liver weight/body weight ratio increased.The biochemical indicators and ultrasonographic elastography results for the liver gradually returned to normal.Conclusion:Using microsurgical techniques,we have developed a stable rat model of OJ reversed by IBD.

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