Comparison between Endoscopic Treatment and Surgical Drainage of the Pancreatic Duct in Chronic Pancreatitis.
2018
BACKGROUND: Treatment of recurrent chronic obstructive pancreatitis is pancreatic duct decompression with endoscopic drainage (endoscopic pancreatic stenting [EPS] with extracorporeal shockwave lithotripsy [ESWL]) or surgical drainage. Despite the recent popularization of endoscopic drainage, treatment or stent removal is difficult in many patients. We compared the efficacy, safety, and medical cost of endoscopic and surgical treatments. PATIENTS AND METHODS: We retrospectively compared the treatment course and medical cost of hospitalization between 41 patients who had undergone pancreatic stenting between 2006 and 2010 (EPS group) and 10 patients who had undergone surgery for poor control of pancreatitis between 2001 and 2005 (surgical drainage group). RESULTS: No intergroup differences were observed in causes, symptoms, disease duration, smoking history, or endocrine and exocrine functions. The technical success rate was 100% in both groups, and pain had improved in all of the patients in both groups. The incidences of complications did not differ significantly, and the mortality rate was 0% in both groups. The rehospitalization rate was significantly higher in the EPS group (78%) than that in the surgical drainage group (20%; P<0.01). This was considered attributable to rehospitalization for stent replacement. The effects to improve endocrine and exocrine functions were not different between the two groups before and after treatment, and the current condition was maintained in 80% or more of the patients. For the entire EPS group, the mean hospitalization period was 18 days and the mean medical cost of hospitalization was 2,133,330 yen. For the entire surgical drainage group, the mean hospitalization period was 23 days and the mean medical cost of hospitalization was 2,246,548 yen, thus indicating no significant differences between the two groups. CONCLUSIONS: Although both endoscopic and surgical treatments achieved high symptom control and safety rates, re-hospitalization is required for stent replacement, which leads to poor cost-effectiveness, particularly in patients in whom stent removal is difficult. Endoscopic treatment for severe pancreatic duct stenosis will need to be advanced and evaluated in the future.
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