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The impairment of intestinal motility and related infectious complications are the predominant clinical phenomenon in patients with severe acute pancreatitis (SAP). We aimed to investigate the effects of Da-Cheng-Qi decoction (DCQD) on the gastrointestinal injury in SAP patients and the potential mechanism involved in rats. DCQD was enema administered to 70 patients for 7 days in West China Hospital. Mortality and organ failure during admission were observed and blood samples for laboratory analysis were collected. We also experimentally examined plasma inflammatory cytokines in rat serum and carried the morphometric studies of the gut. Intestinal propulsion index and serum and tissue vasoactive intestinal peptide (VIP) were also detected. Though DCQD did not affect the overall incidence of organ failure, it shortened the average time of paralytic intestinal obstruction and decreased the morbidity of infectious complications in patients with SAP. Compared with untreated rats, the DCQD lowered the levels of proinflammatory cytokine and decreased the mean pathological intestinal lesion scores. The VIP level in intestinal tissue or serum in DCQD group was obviously lowered and intestinal propulsion index was significantly improved. In conclusion, DCQD has good effect on pancreatitis-associated intestinal dysmotility in patients and in rat models. [ABSTRACT FROM AUTHOR]

Background: The traditional herbal medicinal formula Da-Cheng-Qi decoction (DCQD) has long been used to treat pancreatitis in China; however, the underlying mechanisms remain unclear. Aim: To investigate whether DCQD is beneficial to the patients with lung injury in severe acute pancreatitis (SAP); if it is, then to explore the lung protective effect of DCQD and the mechanism involved in rats. Methods: DCQD was enema administered to 70 patients for 7 days. Mortality, (multi)organ failure during admission were observed, blood samples for laboratory analysis were drawn on admission, on Days 3, 7, and 14 of the treatment. We also experimentally examined the function of two doses of DCQD in SAP rat models. IL-1β, IL-6, and IL-10 mRNA expression in rat lungs was measured quantitatively by the RT-PCR method and confirmed by morphometric studies of the lungs. Results: It was demonstrated that the administration of DCQD did shorten the average time that patients suffered acute respiratory distress syndrome (ARDS). Compared with untreated rats, the lungs of rats treated with DCQD showed significantly lower levels of proinflammatory cytokine IL-1β and IL-6 mRNA. Rats treated with DCQD had lower mean pathological lung lesion scores than those in SAP rats. Conclusion: DCQD has good prospects in the treatment for SAP because it did shorten the average time that patients suffered ARDS in the clinic. It exerts therapeutic effects on this disease through inhibiting the production of inflammatory mediators, decreasing the anti-inflammatory factors, and mitigating the pathological damage of the lung injury in SAP model. [ABSTRACT FROM AUTHOR]