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  • Title: Nonprevention of post-endoscopic retrograde cholangiopancreatographic pancreatitis by pancreatic stent after aspiration of pure pancreatic juice in patients with intraductal papillary mucinous neoplasms of the pancreas.
    Author: Harada R, Kawamoto H, Fukatsu H, Kato H, Hirao K, Kurihara N, Mizuno O, Ogawa T, Ishida E, Okada H, Yamamoto K, Yamamoto H.
    Journal: Pancreas; 2010 Apr; 39(3):340-4. PubMed ID: 19823100.
    Abstract:
    OBJECTIVES: The objective of this study was to evaluate the efficacy of a pancreatic stent regarding the prevention of post-endoscopic retrograde cholangiopancreatography (ERCP) pancreatitis after aspiration of pure pancreatic juice in patients with intraductal papillary mucinous neoplasms. METHODS: A retrospective study was made to assess the outcome in 121 consecutive patients with intraductal papillary mucinous neoplasms who underwent endoscopic aspiration of pure pancreatic juice for cytologic examination between July 2001 and October 2007. From July 2001 to March 2004, 58 patients did not undergo pancreatic stent insertion (the no-stent [nS] group). The remaining 63 patients did undergo stent insertion (stent [S] group). RESULTS: The overall incidences of post-ERCP pancreatitis was 11 (9.1%). The incidences of post-ERCP pancreatitis in the S and nS groups were 8 (12.7%) and 3 (5.2%; P = 0.21), respectively. In the male patients and the patients with a smaller diameter of the main pancreatic ducts, post-ERCP pancreatitis was seen more frequently in those in the S group (13% and 21%, respectively) than in those in the nS group (0% and 0%, respectively; P = 0.04, 0.03). CONCLUSIONS: The pancreatic stent did not seem to decrease the incidence of post-ERCP pancreatitis in patients with intraductal papillary mucinous neoplasms. Furthermore, the pancreatic stent seems to be potentially detrimental in male patients and in patients with small-diameter main pancreatic ducts.
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