title: Effects of Chai-Qin-Cheng-Qi Decoction on cefotaxime in rats with acute necrotizing pancreatitis.
abstract: OBJECTIVE
  To investigate the effect of Chai-Qin-Cheng-Qi Decoction (CQCQD) on cefotaxime (CTX) concentration in pancreas of rats with acute necrotizing pancreatitis (ANP).
  
  
  METHODS
  Sixty healthy male Sprague-Dawley rats were divided randomly into an ANP group (ANP model + CTX, n = 20), treatment group (ANP model + CTX + CQCQD, n = 20) and control group (normal rats + CTX, n = 20). ANP models were induced by retrograde intraductal injection of 3.5% sodium taurocholate (1 mL/kg), and the control group was injected intraductally with normal saline. All rats were injected introperitoneally with 0.42 g/kg CTX (at 12-h intervals for a continuous 72 h) at 6 h after intraductal injection. Meanwhile, the treatment group received CQCQD (20 mL/kg) intragastrically at 8-h intervals, and the ANP and control group were treated intragastrically with normal saline. At 15 min after the last CTX injection, blood and pancreas samples were collected for the determination of CTX concentration using validated high-performance liquid chromatography. Pathological changes and wet-to-dry-weight (W/D) ratio of pancreatic tissue were examined.
  
  
  RESULTS
  Serum CTX concentrations in three groups were not significantly different. Pancreatic CTX concentration and penetration ratio were lower in ANP group vs control group (4.4 +/- 0.6 microg/mL vs 18.6 +/- 1.7 microg/mL, P = 0.000; 5% vs 19%, P = 0.000), but significantly higher in treatment group vs ANP group (6.4 +/- 1.7 microg/mL vs 4.4 +/- 0.6 microg/mL, P = 0.020; 7% vs 5%, P = 0.048). The histological scores and W/D ratio were significantly decreased in treatment group vs ANP and control group.
  
  
  CONCLUSIONS
  CQCQD might have a promotive effect on CTX concentration in pancreatic tissues of rats with ANP.
authors.affiliation: Department of Integrated Traditional Chinese and Western Medicine, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China.
authors.forename: Li-Hui
authors.initials: LH
authors.lastname: Deng
authors.forename: Da-Kai
authors.initials: DK
authors.lastname: Xiang
authors.forename: Ping
authors.initials: P
authors.lastname: Xue
authors.forename: Hai-Yan
authors.initials: HY
authors.lastname: Zhang
authors.forename: Lei
authors.initials: L
authors.lastname: Huang
authors.forename: Qing
authors.initials: Q
authors.lastname: Xia
mesh_terms: D000818:Animals; D000900:Anti-Bacterial Agents / Q000032:analysis / Q000493:pharmacokinetics*; D002439:Cefotaxime / Q000032:analysis / Q000493:pharmacokinetics*; D002851:Chromatography, High Pressure Liquid; D004365:Drugs, Chinese Herbal / Q000494:pharmacology*; D008297:Male; D010179:Pancreas / Q000737:chemistry / Q000187:drug effects*; D019283:Pancreatitis, Acute Necrotizing / Q000188:drug therapy* / Q000503:physiopathology; D011897:Random Allocation; D051381:Rats; D017207:Rats, Sprague-Dawley
chemical_list: D000900:Anti-Bacterial Agents; C528108:Chai Qin Cheng Qi decoction; D004365:Drugs, Chinese Herbal; D002439:Cefotaxime