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Background Frey procedure (FP) has become the standard of treatment for patients with painful chronic pancreatitis and inflammatory head mass. Biliary diversion (BD) is necessary when there is persistent biliary obstruction after adequate head coring. The aim of the present study was to assess the impact of types of biliary diversion on short‐term outcome and rates of stricture recurrence. Methods All the patients, who underwent FP combined with BD between August 2007 and July 2017 in the Department of Surgical gastroenterology, Institute of Postgraduate Medical Education and Research, Kolkata, India, were retrospectively reviewed. The types of BD performed were choledochojejunostomy (Group A) or opening of the CBD in the resection cavity (Group B). Results During the study period, 36 patients underwent FP with BD. Choledochojejunostomy was performed in 21 patients and opening of the CBD in the resection cavity in 15 patients. Preoperative characteristics and early surgical outcomes were comparable except the postoperative stay which was longer in those who underwent choledochojejunostomy (p = 0.044). Pain control was similar. Over a median follow‐up of 72 months, five patients in the Group B developed stricture recurrence which was significantly higher than those of Group A (p = 0.008). Conclusion Choledochojejunostomy combined with FP achieves efficient BD with a lower rate of restricture compared with opening of the CBD in the resection cavity.

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