Transpancreatic Sphincterotomy Is a Safe and Effective Pancreatic Guidewire-Assisted Cannulation Method: Real-World Data Analysis of the Hungarian ERCP Registry

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Background/Objectives: Difficult biliary cannulation during endoscopic retrograde cholangiopancreatography (ERCP) poses significant challenges and increases the risk of adverse events. Pancreatic guidewire (PGW)-assisted techniques offer potential solutions, but real-world comparative data are limited. Methods: This cohort study of prospectively collected data analyzed 234 ERCP cases from the Hungarian ERCP Registry, focusing on three PGW-assisted methods: transpancreatic sphincterotomy (TPS), double-guidewire technique (DGW), and prophylactic pancreatic stent-assisted cannulation (PPS-C). Results: TPS demonstrated the highest primary cannulation success rate (83.1%), significantly outperforming DGW (67.7%) and PPS-C (67.6%) (p < 0.001). With salvage methods, cannulation success was high across all groups. Post-ERCP pancreatitis rates were low (5.0% TPS, 5.6% DGW, 3.9% PPS-C), but prophylactic measures (pancreatic stents, indomethacin) were underutilized. Conclusions: Our findings suggest that TPS is a safe and effective alternative for difficult biliary cannulation in ERCP. Routine considerations of post-ERCP pancreatitis prophylaxis (prophylactic pancreatic stents and non-steroidal suppositories) are recommended in all PGW-assisted cannulations to minimize complications.

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