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肠壁穿刺逆行胰胆管注射牛黄胆酸钠重症急性胰腺炎造模 被引量:29

Establishing Severe Acute Pancreatitis Model on Rats by Retrograde Injection of Sodium Taurocholate into Biliopancreatic Duct through Duodenal Wall
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摘要 目的建立一种操作简单、病变典型且稳定性好的大鼠重症急性胰腺炎(SAP)模型。方法46只健康雄性SD大鼠分为SAP组和对照组,SAP组经肠壁穿刺逆行胰胆管注射5%牛黄胆酸钠,对照组同法注射等量0.9%生理盐水。两组大鼠分别于注射后3、6、12 h检测血清淀粉酶水平、胰腺组织的湿/干质量比率及病理组织学评分,观察24 h生存指数。结果SAP组各时间段血清淀粉酶和胰腺病理组织学评分均显著高于对照组,胰腺组织湿/干质量比率在注射后6、12 h显著高于对照组;其造模后24 h的总死亡率为70%(7/10)。结论经肠壁穿刺逆行胰胆管注射牛黄胆酸钠成功诱发大鼠SAP,其模型操作简单、可重复性好。 Objective To establish a simple, typical, reliable model for severe acute pancreatitis (SAP) on rats, Methods The SAP model was developed in rats by retrograde injection of 5% sodium taurocholate into biliopancreatic duct through duodenal wall. The rats were sacrificed at 3, 6, and 12 h, respectively, after the onset of induction. Serum amylase and the wet/dry weight ratio of pancreas were measured. The pancreatic histology and the 24-hour survival rate were also evaluated. Results The levels of serum amylase, histological score and the wet/dry weight ratio of pancreas in SAP group were significantly higher than those of the control group at each time point (P 〈0.01, respectively). The 24 h mortality was about 70%. Conclusion Retrograde injection of 5% sodium taurocholate into biliopancreatic duct through duodenal wall can establish a simple and reliable SAP model on rats.
出处 《上海交通大学学报(医学版)》 CAS CSCD 北大核心 2006年第5期488-490,共3页 Journal of Shanghai Jiao tong University:Medical Science
基金 上海市自然科学基金(02DJ14309) 上海交通大学医学院博士点基金(BXJ0508)资助项目
关键词 重症急性胰腺炎 逆行胰胆管注射 经肠壁 牛黄胆酸钠 大鼠 severe acute pancreatitis retrograde injection into biliopancreatic duct through duodenal wall sodium taurocholate rat
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