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. 1999 Sep;45(3):402–405. doi: 10.1136/gut.45.3.402

Long term follow up of patients with chronic pancreatitis and pancreatic stones treated with extracorporeal shock wave lithotripsy

H Adamek 1, R Jakobs 1, A Buttmann 1, M Adamek 1, A Schneider 1, J Riemann 1
PMCID: PMC1727650  PMID: 10446109

Abstract

BACKGROUND—There have been conflicting reports as to whether pancreatic ductal drainage achieved by endoscopy and lithotripsy improves the clinical outcome of patients with chronic pancreatitis.
AIMS—To determine the clinical outcome in patients with chronic pancreatitis who received extracorporeal shock wave lithotripsy (ESWL), and were followed up for two to eight years.
METHODS—Eighty patients with severe chronic pancreatitis and endoscopically unretrievable obstructive stones underwent ESWL with a piezoelectric lithotripter between 1989 and 1996. Clinical status, relief of symptoms, further endoscopic or surgical interventions, and mortality were defined.
RESULTS—Forty three (54%) patients were treated successfully with ESWL. The only feature associated with treatment success was the presence of a single stone rather than multiple stones. Successfully treated patients tended to experience less pain, although this did not reach statistical significance. A slight increase in weight was noted in our patients; however, there was no notable improvement in anomalous stools and diabetes mellitus. Five patients died due to extrapancreatic reasons. No pancreatic carcinomas developed.
CONCLUSIONS—ESWL associated with endoscopic drainage is a safe technique that is particularly successful in patients with a single stone. However, pancreatic drainage by endoscopy and ESWL has almost no effect on pain in chronic pancreatitis. Furthermore, endoscopic management and ESWL does not prevent or postpone the development of glandular insufficiency.


Keywords: chronic pancreatitis; pancreatic duct stone; extracorporeal shock wave lithotripsy; metabolic function of the pancreas

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Figure 1  .

Figure 1  

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(A) Pancreatography shows a large intraductal concretion in a dilated main duct in the pancreatic head region. (B) After three ESWL treatments (10 000 shock waves) endoscopic basket extraction of fragments is possible. (C) Follow up pancreatogram shows complete stone removal with a subsequent decrease in pancreatic duct diameter.

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