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KMID : 1188320070010010063
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Gut and Liver
2007 Volume.1 No. 1 p.63 ~ p.67
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Analysis of the Effects of Stent Insertion and the Factors Related to Stent Retrieval in Chronic Pancreatitis Accompanying Main Pancreatic Duct Obstruction
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Kim Chang-Hoon
Bang Seung-Min
Song Kyung-Ho
Park Jeong-Youp
Jeon Tae-Joo
Sung Pil-Hong
Chung Jae-Bock
Park Seung-Woo
Song Si-Young
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Abstract
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Background: Obstruction of the main pancreatic duct (MPD) has been considered one of the major causes for pain in chronic pancreatitis (CP). In this study, we evaluated the efficacy of MPD stenting in painful CP, and tried to determine a guideline for stent removal.
Method: Sixteen patients with painful CP who underwent MPD stenting were included. Follow up ERCP was performed 3 months after stenting in all patients. Stents were removed in patients who achieved pain relief, complete stone clearance, and decreased MPD diameter after 3 months.
Results: Before stenting, ERCP showed MPD stricture in 11 cases, MPD dilatation by stone in 1 case, concomitant stricture and stone in 4 cases. After stenting, complete pain relief was achieved in 13 patients (81.3%) and partial pain relief was achieved in 3 patient (18.7%). There was no patient whose pain was not relieved. Stents were removed in 7 patients who achieved pain relief, complete stone clearance, and decreased MPD diameter after 3 months. Decrease of MPD diameter was significantly greater in patient who could remove stent than those who could not (72.9% vs. 127.9% of initial MPD diameter, p=0.008).
Conclusions: If partial or full pain relief is achieved after MPD stenting and follow up ERCP after 3 months shows decreased MPD diameter compared to the initial one, stent removal might be considered.
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KEYWORD
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Chronic pancreatitis, Pancreatic duct, Stricture, Stent
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