Experimental study on canine biliary obstruction using laparoscopic technique
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R657.4

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    Abstract:

    Objective: To investigate the feasibility of using laparoscopic minimally invasive technique to create animal model of biliary occlusion. Methods: Six mongrel dogs underwent laparoscopic common bile duct (CBD) ligation. The operative and postoperative variables were recorded, the preoperative and postoperative (day 3, 7 and 10) levels of white blood cells, liver function indexes, C-reactive protein (C-RP) and procalcitonin (PCT) were determined, and the CBD dilation and liver pathological changes were observed on postoperative day 10. Results: The overall operative time, time to recovery from anesthesia, time to first food intake and defecation was (39.17±3.4) min, (59.17±12.8) min, (3.5±0.63) h and 1 d, respectively. The WBC level was significantly elevated at postoperative day 3 (P<0.05), but soon recovered (P>0.05); the postoperative C-RP and PCT levels remained normal (all P>0.05); the postoperative transaminase levels were initially increased and then decreased slowly, but all were significantly higher than those of preoperative levels (all P<0.05); the postoperative bilirubin levels showed continuous increase (all P<0.05). Obvious CBD dilation was seen macroscopically and pathological examination showed marked dilation of the bile capillaries. Conclusion: Establishment of canine model of biliary occlusion using laparoscopic technique is simple, minimally invasive and feasible, and this method of model creation may facilitate future experimental studies.

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XUE Fei, LU Yi, GUO Hongchang, MA Feng, LU Jianwen, LI Jianpeng,. Experimental study on canine biliary obstruction using laparoscopic technique[J]. Chin J Gen Surg,2015,24(2):211-215.
DOI:10.3978/j. issn.1005-6947.2015.02.011

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History
  • Received:December 11,2014
  • Revised:
  • Adopted:
  • Online: February 15,2015
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