腹腔镜犬胆道梗阻模型研究
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吕毅, Email: luyi169@126.com

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国家自然科学基金资助项目(51275387);国家自然科学基金科学仪器专项基金资助项目(81127005)。


Experimental study on canine biliary obstruction using laparoscopic technique
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    摘要:

    目的:探讨应用腹腔镜微创技术制作胆道梗阻模型的动物模型的可行性。 方法:用6只杂种犬进行腹腔镜下胆总管结扎手术,记录手术及术后情况,检测术前与术后(3、7、10 d)白细胞(WBC)、肝功能指标、C反应蛋白(C-RP)、血清降钙素原(PCT)水平,术后10 d观测胆道扩张情况及肝脏病理学改变。 结果:总手术时间、麻醉苏醒时间、首次进食与排便时间分别为(39.17±3.4)min、(59.17±12.8)min、(3.5±0.63)h、1 d。WBC水平在术后3 d明显升高(P<0.05),但随后快速恢复正常(P>0.05);术后C-RP与PCT保持正常水平(均P>0.05);术后转氨酶水平先升后降,但均明显高于术前(均P<0.05);胆红素水平呈持续升高(均P<0.05)。术后10 d,肉眼可见胆总管扩张明显,病理学显示微胆管扩张。 结论:利用腹腔镜技术建立犬胆道梗阻模型简便、微创、可行,该造模方法为今后的实验研究提供了便利。

    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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薛飞,吕毅,虢宏昌,马锋,陆建文,李建鹏,白纪刚,刘亚雄.腹腔镜犬胆道梗阻模型研究[J].中国普通外科杂志,2015,24(2):211-215.
DOI:10.3978/j. issn.1005-6947.2015.02.011

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  • 收稿日期:2014-12-11
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  • 在线发布日期: 2015-02-15