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Updated: Jul 3, 2025
Robotic Lateral Pancreaticojejunostomy for Chronic Pancreatitis
Published on: December 14, 2019
A Predictive Strategy for Nonsurgical Management of Pancreatic Stones
Satoshi Yamamoto1, Kazuo Inui2, Yoshiaki Katano1
1From the Department of Gastroenterology, Fujita Health University Bantane Hospital, Nagoya.
Objectives:
We set out to predict whether nonsurgical treatment is likely to succeed in removing pancreatic stones in a given patient and also to determine an optimal maximal number of extracorporeal shock wave lithotripsy (ESWL) sessions for treatment of pancreatolithiasis in that patient.
Materials And Methods:
We ascertained the number of ESWL sessions for each of 164 patients undergoing that treatment for pancreatolithiasis between 1992 and 2020. Median follow-up duration was 31 months (range, 0-239), median age was 58 years (22-83), and the male to female ratio was 5.1:1.0. Patients were divided into 2 groups based upon an optimal maximal number of ESWL sessions determined by receiver operating characteristic analysis.
Results:
Total stone clearance was achieved in 130 of 164 patients (79%). The median number of ESWL sessions was 3 (1-61). Receiver operating characteristic analysis determined 7 to be the optimal maximal number of sessions. Complete clearance was more frequent (87%) among the 131 patients requiring 7 or fewer ESWL sessions than among the 33 undergoing more (48%, P < 0.001). Seventeen patients (52%) undergoing 8 or more sessions still had residual stones.
Conclusions:
If any pancreatic stones persist after 7 ESWL sessions, we recommend transition to medical or surgical treatments.
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