Endoscopic Therapy in Chronic Pancreatitis

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Abstract

Chronic pancreatitis (CP) is a debilitating disease that can result in chronic abdominal pain, malnutrition, and other related complications. The main aims of treatment are to control symptoms, prevent disease progression, and correct any complications. A multidisciplinary approach involving medical, endoscopic, and surgical therapy is important. Endoscopic therapy plays a specific role in carefully selected patients as primary interventional therapy when medical measures fail or in patients who are not suitable for surgery. Endoscopic therapy is also used as a bridge to surgery or as a means to assess the potential response to pancreatic surgery. This review addresses the role of endoscopic therapy in relief of obstruction of the pancreatic duct (PD) and bile du ct, closure of PD leaks, and drainage of pseudocysts in CP. The role of endoscopic ultrasound-guided celiac plexus block for pain in chronic pancreatitis is also discussed.

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Most cited references 94

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Endoscopic versus surgical drainage of the pancreatic duct in chronic pancreatitis.

Djuna L Cahen, E. A. Rauws, William Bruno … (2007)

For patients with chronic pancreatitis and a dilated pancreatic duct, ductal decompression is recommended. We conducted a randomized trial to compare endoscopic and surgical drainage of the pancreatic duct. All symptomatic patients with chronic pancreatitis and a distal obstruction of the pancreatic duct but without an inflammatory mass were eligible for the study. We randomly assigned patients to undergo endoscopic transampullary drainage of the pancreatic duct or operative pancreaticojejunostomy. The primary end point was the average Izbicki pain score during 2 years of follow-up. The secondary end points were pain relief at the end of follow-up, physical and mental health, morbidity, mortality, length of hospital stay, number of procedures undergone, and changes in pancreatic function. Thirty-nine patients underwent randomization: 19 to endoscopic treatment (16 of whom underwent lithotripsy) and 20 to operative pancreaticojejunostomy. During the 24 months of follow-up, patients who underwent surgery, as compared with those who were treated endoscopically, had lower Izbicki pain scores (25 vs. 51, P<0.001) and better physical health summary scores on the Medical Outcomes Study 36-Item Short-Form General Health Survey questionnaire (P=0.003). At the end of follow-up, complete or partial pain relief was achieved in 32% of patients assigned to endoscopic drainage as compared with 75% of patients assigned to surgical drainage (P=0.007). Rates of complications, length of hospital stay, and changes in pancreatic function were similar in the two treatment groups, but patients receiving endoscopic treatment required more procedures than did patients in the surgery group (a median of eight vs. three, P<0.001). Surgical drainage of the pancreatic duct was more effective than endoscopic treatment in patients with obstruction of the pancreatic duct due to chronic pancreatitis. (Current Controlled Trials number, ISRCTN04572410 [controlled-trials.com].). Copyright 2007 Massachusetts Medical Society.

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The different courses of early- and late-onset idiopathic and alcoholic chronic pancreatitis.

L Kalthoff, D J Clain, Lori Bakken … (1994)

Compared with alcoholic pancreatitis, little is known about the natural history of idiopathic pancreatitis. Two hundred forty-nine patients with alcoholic pancreatitis and 66 patients with idiopathic chronic pancreatitis seen at our institution between 1976 and 1982 were investigated. Records were analyzed retrospectively from the onset of symptomatic disease, and patients were followed up prospectively until 1985. Patients with early-onset (n = 25) and late-onset (n = 41) idiopathic chronic pancreatitis had a median age at onset of symptoms of 19 and 56 years, respectively. The gender distribution was nearly equal in idiopathic chronic pancreatitis, but 72% of patients with alcoholic pancreatitis were men (P = 0.001 vs. idiopathic). In early-onset idiopathic pancreatitis, calcification and exocrine and endocrine insufficiency developed more slowly than in late-onset idiopathic and alcoholic pancreatitis (P = 0.03). However, in early idiopathic chronic pancreatitis, pain frequently occurred initially (P = 0.003 vs. late and alcoholic) and was more severe (P = 0.04 vs. late and alcoholic). In late-onset idiopathic pancreatitis, pain was absent in nearly 50% of patients. There are two distinct forms of idiopathic chronic pancreatitis. Patients with early-onset pancreatitis have initially and thereafter a long course of severe pain but slowly develop morphological and functional pancreatic damage, whereas patients with late-onset pancreatitis have a mild and often a painless course. Both forms differ from alcoholic pancreatitis in their equal gender distribution and a much slower rate of calcification.

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A prospective, randomized trial comparing endoscopic and surgical therapy for chronic pancreatitis.

V Zboril, I Novotný, P Díte … (2003)

Invasive treatment for abdominal pain due to chronic pancreatitis may be either surgical or endoscopic, particularly in cases of ductal obstruction. To date, the data published on the effectiveness of these two forms of therapy have been mostly retrospective, and there have been no randomized studies. A prospective, randomized study comparing surgery with endoscopy in patients with painful obstructive chronic pancreatitis was therefore conducted. Consecutive patients with pancreatic duct obstruction and pain were invited to participate in a randomized trial comparing endotherapy and surgery, the latter consisting of resection and drainage procedures, depending on the patient's individual situation. Patients who did not agree to participation and randomization were also further assessed using the same follow-up protocol. Of 140 eligible patients, only 72 agreed to be randomized. Surgery consisted of resection (80 %) and drainage (20 %) procedures, while endotherapy included sphincterotomy and stenting (52 %) and/or stone removal (23 %). In the entire group, the initial success rates were similar for both groups, but at the 5-year follow-up, complete absence of pain was more frequent after surgery (37 % vs. 14 %), with the rate of partial relief being similar (49 % vs. 51 %). In the randomized subgroup, results were similar (pain absence 34 % after surgery vs. 15 % after endotherapy, relief 52 % after surgery vs. 46 % after endotherapy). The increase in body weight was also greater by 20 - 25 % in the surgical group, while new-onset diabetes developed with similar frequency in both groups (34 - 43 %), again with no differences between the results for the whole group and the randomized subgroup. Surgery is superior to endotherapy for long-term pain reduction in patients with painful obstructive chronic pancreatitis. Better selection of patients for endotherapy may be helpful in order to maximize results. Due to its low degree of invasiveness, however, endotherapy can be offered as a first-line treatment, with surgery being performed in case of failure and/or recurrence.

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Author and article information

Journal

Journal ID (nlm-ta): Korean J Intern Med

Journal ID (publisher-id): KJIM

Title: The Korean Journal of Internal Medicine

Publisher: The Korean Association of Internal Medicine

ISSN (Print): 1226-3303

ISSN (Electronic): 2005-6648

Publication date (Print): December 2011

Publication date (Electronic): 28 November 2011

Volume: 26

Issue: 4

Pages: 384-399

Affiliations

[1 ]Department of Gastroenterology and Hepatology, Singapore General Hospital, Singapore.

[2 ]Division of Gastroenterology/Hepatology, Indiana University Medical Center, Indianapolis, IN, USA.

Author notes

Correspondence to Damien Meng Yew Tan, M.B.B.S. Department of Gastroenterology and Hepatology, Singapore General Hospital, Outram Road, Singapore 169608. Tel: 65-63-26-5787, Fax: 65-62-27-3623, damien.tan.m.y@ 123456sgh.com.sg

Article

DOI: 10.3904/kjim.2011.26.4.384

PMC ID: 3245386

PubMed ID: 22205838

SO-VID: 6f4f7d35-395a-4fbe-84bb-404fe8c0d15c

License:

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

History

Date received : 01 August 2011

Date accepted : 15 September 2011

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Most cited references 94

Endoscopic versus surgical drainage of the pancreatic duct in chronic pancreatitis.

The different courses of early- and late-onset idiopathic and alcoholic chronic pancreatitis.

A prospective, randomized trial comparing endoscopic and surgical therapy for chronic pancreatitis.

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