Abstract
Objective To investigate the changes of serum concentration of amylase(AMY) and pathological of pancreas in severe acute pancreatitis of SD-rats treated with Ulinastatin combined with qingyitang and to provide the basis for clinical application.Methods Ninty male SD-rats with average weight of(271.59±11.13) g were conventional feeding for a week.Twelve hours before experiment,they were forbidden to take food.They were randomly divided into five groups(with 18 in every group):sham operation group,severe acute pancreatitis group,Ulinastatin treated group,qingyitang treated group,Ulinastatin combined with qingyitang treated group.Then eighteen rats in every group were divided randomly into 6 h,12 h and 24 h groups with six rats in each group.Severe acute pancreatitis model was created by retrograde injection of 5％ sodium taurocholate (0.1 ml/100 g) through pancreatic duct,in sham operation group,only pancreas were flipped.The three treated groups were treated with vein injection of Ulinastatin(20 000 U/kg)or qingyitang perfusion(1 ml/100 g)or Ulinastatin combined with qingyitangat 0 h,5 h and 11 h after severe acute pancreatitis model successfully created.AMY and patholigical changes of pancreas were measured.Results There was significant difference on AMY level at 6 h,12 h and 24.h between severe acute pancreatitis group and sham operation group[6 h:(16 518±327)U/L vs(1671±175)U/L,F =3296.24,P ＜0.01;12 h:(16 796±338) U/L vs(1751±223)U/L,F =3802.44,P ＜0.01;24 h:(1554±373) U/L vs(1724±187) U/L,F =2382.54,P ＜0.01].Compared with severe acute pancreatitis group,the AMY level and pathologic score both decreased significantly in Ulinastatin treated group,qingyitang treated group and Ulinastatin combined with qingyitang treated group(P ＜0.05 or P ＜ 0.01).At the same time,the AMY level and pathologic score both decreased more in Ulinastatin combined with qingyitang treated group than Ulinastatin treated group and qingyitang treated group(P ＜0.05 or P ＜ 0.01).Conclusion Combination of Ulinastatin with qingyitang in treatment of severe acute pancreatitis of rats is superior to treatment with single medicine. Key words: Severe acute pancreatitis; Ulinastatin; Qingyitang
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