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Exp Ther Med. 2015 May;9(5):1651-1655. Epub 2015 Mar 9.

Ulinastatin enhances the therapeutic effect of intraperitoneal lavage on severe acute pancreatitis in rats.

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Department of Emergency, General Hospital of the PLA, Beijing 100853, P.R. China ; The Li-Shi Road Out-Patient Department of General Hospital of the Second Artillery, Beijing 100045, P.R. China.
Department of Hepatology-Immunology, Beijing Youan Hospital of the Capital Medical University, Beijing 100069, P.R. China.
Department of Emergency, General Hospital of the PLA, Beijing 100853, P.R. China.
Department of Ultrasound, General Hospital of the PLA, Beijing 100853, P.R. China.


The present study investigated the therapeutic effect of peritoneal lavage with ulinastatin on the outcome of rats with severe acute pancreatitis (SAP). A total of 110 male Wistar rats were randomly divided into the following groups: Control (C), SAP model (SAP), saline lavage (SL), intravenous ulinastatin (IU) and low-dose (LUL), medium-dose (MUL), high-dose (HUL) and ultrahigh-dose (UHUL) ulinastatin lavage. The treatments were performed immediately subsequent to the establishment of the SAP model. Intraperitoneal lavage with or without ulinastatin was performed for 3 h. Survival time was recorded for 12 h and the median survival time was calculated. Histopathological analyses, and measurements of plasma amylase and lipase levels were performed. Blood pH, lactic acid and base excess were also detected. The LUL, MUL, HUL, UHUL and IU groups showed an increase in the median survival time compared with the SAP group, with the maximal effect observed in the MUL group (P<0.01). The SL, MUL and IU groups showed a reduced activity of amylase and lipase compared with the SAP group. The SL (P<0.01) and the MUL groups (P<0.01) additionally showed a reduction in the lactic acid in arterial blood relative to the SAP group but the IU group did not. The MUL group showed greater improvements in pH (P<0.01) and base excess (P<0.01) versus the SAP group than the SL and IU groups. Furthermore the MUL group demonstrated a more marked reduction in the histological changes in necrosis, edema and inflammation compared with the SL and IU groups. Intraperitoneal lavage with ulinastatin significantly improves the prognosis of SAP in rats.


intraperitoneal lavage; severe acute pancreatitis; ulinastatin

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