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Year : 2020  |  Volume : 9  |  Issue : 2  |  Page : 130-137

Clinical and morphological consequences of permanent indwelling transmural plastic stents in disconnected pancreatic duct syndrome

1 Department of Gastroenterology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
2 Department of Surgery, Post Graduate Institute of Medical Education and Research, Chandigarh, India

Correspondence Address:
Dr. Surinder Singh Rana
Department of Gastroenterology, Post Graduate Institute of Medical Education and Research, Chandigarh - 160 012
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/eus.eus_8_20

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Background: Long-term indwelling transmural stents in patients with walled-off necrosis (WON) and disconnected pancreatic duct syndrome (DPDS) is an effective strategy to decrease risk of recurrence of pancreatic fluid collection (PFC). However, long-term studies on the safety and efficacy of this strategy are lacking. Methods: Retrospective analysis of database of patients with WON treated with endoscopic transmural drainage over the past 8 years was done to identify patients with DPDS and indwelling transmural stents for >3 years. Results: During the past 8 years, 56 patients with indwelling transmural stent for >3 years were identified and 67.85% of these patients had 10 Fr stents and 32.15% of patients had 7 Fr stents. On follow-up, 5 (8.9%) patients had pancreatic pain with one patient (1.78%) developing recurrence of PFC despite stent being in situ. Two (3.5%) patients had asymptomatic spontaneous external migration of the transmural stent. Fourteen (25%) patients developed diabetes. Two (3.5%) patients developed local complications due to indwelling stent (stent eroded into descending colon in one patient and stent-induced parenchymal calcification in the other). Forty-eight (85.7%) patients underwent EUS on follow-up and disconnected pancreas revealed ≥5 criteria for the diagnosis of chronic pancreatitis in 15 (31.25%) patients. Conclusions: Long-term indwelling transmural plastic stents in patients with WON and DPDS are safe and effective with minimal complications. Despite the presence of stents, disconnected pancreas develops morphological changes resembling chronic pancreatitis in one-third patients and clinical consequences of these changes need to be further evaluated.

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