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OBJECTIVES: The goal of this study was to evaluate our medium-term results on common bile duct stenting with increasing numbers of stents on strictures due to chronic calcifying pancreatitis. BACKGROUND: Common bile duct strictures frequently complicate the course of chronic calcifying pancreatitis. The effectiveness of endoscopic stenting to resolve definitely these strictures is still debated. STUDY: Twenty-nine patients with common bile duct stricture due to chronic calcifying pancreatitis were stented and followed up. Biliary sphincterotomy, dilation of the stricture, and insertion of plastic biliary stents (7.5-10 F) were performed. Patients were scheduled for elective stent changing/restenting at 3-month intervals or any time when it was urgently indicated. Our basic intention was to insert the maximum possible number of stents to reach as large diameter as the stricture allowed. All stents were removed after the disappearance of common bile duct dilatation or left in place in cases of persisting strictures. RESULTS: Eighteen patients (60%) had complete radiologic and serologic recovery after a mean of 21.1 months overall stenting time and had a stent free follow-up period for a mean of 12.1 months without recurrence of stricture. Five patients (16%) still have stents in place after 26 months. Three patients (13%) required surgery. There were 3 deaths (10%): 1 for unrelated cause and 2 with septic shock of biliary origin. CONCLUSIONS: Most chronic calcifying pancreatitis patients with common bile duct strictures respond to the increasing numbers of endoscopic stents, and remain stent free for medium term periods. Less patients (30%) does not benefit of biliary stenting, who are candidates for surgery.
Pozsár et al. (Mon,) studied this question.