Abstract
Introduction: ERCP with SpyGlass® cholangioscopy and electrohydraulic lithotripsy (EHL) is an established treatment for large common bile duct stones. However, the role of SpyGlass® EHL in treating patients with pancreatic duct calculi has yet to be well studied. The current management of pancreatic duct stones consists of extracorporeal shock wave lithotripsy (ESWL) or surgical intervention. The purpose of this case series is to study the safety and efficacy of SpyGlass® EHL in patients with pancreatic duct calculi. Methods: In patients with chronic pancreatitis and pancreatic duct stones, we performed ERCP with SpyGlass® pancreatoscopy and EHL in an attempt to break the calculi into smaller fragments in order to relieve the pancreatic duct obstruction. Consecutive patients with pancreatic duct stones were included in the study. Pancreatic duct stents were placed following lithotripsy in all patients. The stents were later removed at a 4-6 week interval after the procedure. Results: ERCP with SpyGlass® EHL was performed in 7 patients with chronic pancreatitis and stones. Two patients were relieved of their obstruction after only 1 procedure. Four patients required 2 procedures, and 1 patient required 3 procedures. ERCP with SpyGlass® EHL was successful in relieving the main pancreatic duct obstruction in 5 patients. The remaining 2 patients were referred to a multidisciplinary pancreas team for ESWL therapy. However, both these patients ended up requiring surgery. One patient received Puestow’s procedure while the other received Berger’s operation. Two patients had pain following the ERCP and EHL treatment and required overnight hospitalization. One patient had mild pancreatitis. No other complications were reported. Conclusion: ERCP with EHL appears to be a safe and effective therapeutic procedure in the majority of patients with chronic pancreatitis and pancreatic duct calculi. Larger studies are needed to validate the results of our pilot study.
Published Version
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