[An experimental study on curative effect of Chinese medicine qing yi tang in acute necrotizing pancreatitis]

To observe the curative effect of the traditional Chinese medicine (TCM) Qing Yi Tang (QYT) in acute necrotizing pancreatitis (ANP).

Twenty three dogs were randomly divided into 3 groups. In control group (n = 7), animals underwent laparotomy only. In ANP group (n = 8), acute necrotizing pancreatitis was induced by injection of 0.5 ml/kg 5% sodium taurocholate with 300 u/kg trypsin into the pancreatic duct. While in TCM group (n = 8) were fed everyday with QYT after onset of ANP. All animals were sacrified 7 days later and organs were gathered and cultured. Mucosal and luminal floras of the intestine were analysed. Pancreas and ileal mucosa were examined histologically and ultra-microscopically, the levels of lipopolysaccharide (LPS) and amylase in blood were determined.

In TCM groups, histologic and ultra-structural damages in pancreas and ileal mucosa were much milder as compared with those of ANP group. In ANP group, there was a significant increase of E. coli and bacterocoids, and a significant decrease of bifidobacteria, lactobacilli and enterococci in the intestinal mucosa, while in TCM groups, these changes were alleviated significantly (P < 0.05 or P < 0.01). As compared with ANP group, the bacterial translocation (BT) rate was reduced from 100% to 50%, and the counts of translocated bacteria were decreased 10-40 times, the levels of LPS and amylase reduced 2 to 3 times.

TCM recipe QYT showed their protective effects on gut barrier function by alleviating the damage of intestinal mucosa and microecologic disturbance following acute pancreatitis. As a result, the chances of BT and enterogenic infection declined. These preparation might be promising in the prophylaxis and treatment of infection complicating ANP.