Long-term prognosis of duct-narrowing chronic pancreatitis: strategy for steroid treatment

The purpose of this study was to assess the long-term prognosis in patients with duct-narrowing chronic pancreatitis (DNCP) and determine the indications for steroid therapy. We evaluated clinical and imaging outcomes in patients with DNCP classified into 3 groups (A, B, and C) according to the trea...

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Bibliographic Details
Published in:	Pancreas Vol. 30; no. 1; pp. 31 - 39
Main Authors:	Wakabayashi, Tokio, Kawaura, Yukimitsu, Satomura, Yositake, Watanabe, Hiroyuki, Motoo, Yoshiharu, Sawabu, Norio
Format:	Journal Article
Language:	English
Published:	United States 01-01-2005
Subjects:	Adrenal Cortex Hormones - therapeutic use Adult Aged Constriction, Pathologic - drug therapy Constriction, Pathologic - pathology Constriction, Pathologic - surgery Edema - drug therapy Edema - pathology Edema - surgery Female Humans Male Middle Aged Pancreas - pathology Pancreatic Ducts - pathology Pancreatitis, Chronic - drug therapy Pancreatitis, Chronic - pathology Pancreatitis, Chronic - surgery Prognosis Recurrence Retrospective Studies Tomography, X-Ray Computed Treatment Outcome
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Summary:	The purpose of this study was to assess the long-term prognosis in patients with duct-narrowing chronic pancreatitis (DNCP) and determine the indications for steroid therapy. We evaluated clinical and imaging outcomes in patients with DNCP classified into 3 groups (A, B, and C) according to the treatment given. Group A included 6 patients who underwent surgical resection. Groups B and C included 21 and 10 patients treated medically with and without steroid therapy, respectively. In group A, 2 patients relapsed in the remnant pancreas. In group B, pancreatic swelling was resolved in all the patients, and moreover, both the irregular narrowing of the main pancreatic duct (MPD) and the strictures of the common bile duct (CBD) improved after initiation of corticosteroid therapy in all but 1 of the patients, including 5 without immunoserologic abnormality. However, clinical recurrences occurred in 4 patients (19%) during or after the maintenance therapy. In group C, all the patients showed an improvement in swelling of the gland, while only 5 showed improvement of pancreatic duct involvement. Four of these 5 patients did not show any serologic data suggesting autoimmune abnormality or CBD involvement. In all the other 5 patients in whom MPD irregularities did not improve, bile duct strictures or positive immunoserologic test results were noted. Steroid therapy is effective for improving pancreatic duct and bile duct lesions in patients with DNCP and is indicated particularly in those with CBD strictures or immunoserologic abnormality, although some patients have recurrences.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	1536-4828