Abstract
Background
The place of endoscopic techniques in the treatment of main pancreatic duct (MPD) disruption arising in the course of acute necrotizing pancreatitis (ANP) remains unclear. The aim of this study was to describe the findings of endoscopic retrograde pancreatography (ERP) in patients with walled-off necrosis (WON). It was attempted to evaluate the role of endoscopic treatment of pancreatic duct disruption in patients with WON.
Methods
The retrospective analysis of results and complications with particular emphasis to all ERP procedures in the group of 226 patients was conducted, which underwent endoscopic treatment of symptomatic WON between years 2001 and 2016 in the Department of Gastroenterology and Hepatology of Medical University of Gdańsk.
Results
ERP was performed in 204/226 (90.27%) patients. Partial and complete disruption of the MPD were identified in 103 (50.49%) and 63 (30.89%) out of 204 patients, respectively. Endoscopic treatment was used in all 166 patients with MPD disruption. The success of endoscopic treatment of MPD disruption was achieved in 138/161 (85.71%) patients with WON. The therapeutic success of WON endotherapy was achieved in 214/226 (94.69%) patients. The mean follow-up duration was 56 (SD = 37.06) [range 14–158] months. Long-term success of treatment of WON was achieved in 182/226 (80.53%) patients.
Conclusions
MPD disruption occurs in the majority of patients with WON. Partial disruption of the MPD is more frequent than complete disruption of the duct. This study conducted on a large group of patients demonstrated that prosthesis insertion into the MPD in patients with disruption of the MPD in the course of ANP is one of the key elements in endoscopic treatment of WON. Passive transpapillary drainage is an effective method of treating MPD disruptions, which improves long-term outcomes of endoscopic treatment in patients with WON.
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