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DOI: 10.1055/s-2001-15314
© Georg Thieme Verlag Stuttgart · New York
Prevention of Pancreatitis in Patients with Idiopathic Recurrent Pancreatitis: A Prospective Nonblinded Randomized Study Using Endoscopic Stents
Publication History
Publication Date:
31 December 2001 (online)
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Background and Study Aims: Currently there is no available therapy to prevent attacks of acute pancreatitis in patients with idiopathic recurrent pancreatitis (IRP). This randomized, nonblinded prospective, controlled trial was undertaken to evaluate the effectiveness of pancreatic duct stents in preventing attacks of pancreatitis in IRP.
Patients and Methods: During a 5-year period 34 patients met the diagnostic criteria for IRP. Patients were randomly assigned to one of two groups; 19 patients (14 women, 5 men, mean age 44) to the pancreatic stent group; and 15 patients (10 women, five men, mean age 47) to the control group. The stent group received three stents over a period of 1 year and the control group had selective pancreatograms but no stent. Mean follow-up was 33 months (range 13 - 77) and 35 months (range 10 - 78) in the stent and control groups, respectively. Episodes of pancreatitis, frequency and intensity of pain requiring emergency room visits, and hospitalizations were recorded.
Results: Recurrence of pancreatitis occurred in eight out of 15 patients (53 %) in the control group, but in only two our of 19 patients (11 %) in the stent group (P < 0.02). Two patients in the control group who had recurrences of pancreatitis crossed over to stent therapy and had no further pancreatitis thereafter. Six patients each, 32 % and 40 % in the stent and control groups respectively, continued to have pancreatic type pain. In the study period 17 stents were occluded and 14 migrated out.
Conclusion: The results of this study suggest that pancreatic duct stenting may prevent recurrent attacks of pancreatitis in IRP patients. Intermittent pancreatic duct sphincter dysfunction or relative outlet obstruction may be the underlying cause for the recurrent attacks of pancreatitis.
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