Saudi Journal of Gastroenterology
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Year : 2014  |  Volume : 20  |  Issue : 2  |  Page : 128-133

Endoscopic papillary large balloon dilation for the retrieval of bile duct stones after prior Billroth II gastrectomy

Department of Internal Medicine, Division of Gastroenterology and Hepatology, Yeungnam University College of Medicine, Daegu, Republic of Korea

Correspondence Address:
Tae-Nyeun Kim
Division of Gastroenterology and Hepatology, Department of Internal Medicine, Yeungnam University College of Medicine, 705-717, 317-1 Daemyung dong, Nam-gu, Daegu
Republic of Korea
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Source of Support: This study was supported by Yeungnam University research grant in 2011,, Conflict of Interest: None

DOI: 10.4103/1319-3767.129478

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Background/Aims: Endoscopic retrieval of large common bile duct (CBD) stones is often difficult in patients who have undergone Billroth II gastrectomy, as anatomic alterations may present technical barriers to successful cannulation and increase procedure-related complications. Endoscopic papillary large balloon dilation (EPLBD) can be an alternative technique for the removal of difficult stones. Accordingly, the aim of this study was to evaluate the safety and effectiveness of EPLBD for CBD stone extraction in patients with Billroth II gastrectomy. Materials and Methods: From July 2006 to November 2011, 30 patients who underwent EPLBD with limited endoscopic sphincterotomy (EPLBD + ES) or EPLBD alone for the treatment of large CBD stones (≥10 mm) after Billroth II gastrectomy were retrospectively reviewed. A large balloon dilator (12-18 mm) was used to dilate the ampullary orifice. Results: Selective cannulation was successful in 25 patients (83.3%) with a standard catheter. Of the 30 subjects, EPLBD + ES was performed in 19 and EPLBD alone in 11. The mean bile duct diameter was 17.7 ± 4.3 mm (range, 11-31 mm), and mean size of balloon dilation was 14.5 ± 2.6 mm (range, 12-18 mm). Stone removal was successfully completed in 29 patients (96.7%). Successful stone retrieval during the first session was achieved in 27 patients (90.0%). Two cases (6.7%) of mild pancreatitis responded to conservative treatment, and no perforation or mortality was encountered. Conclusions: EPLBD with or without needle knife (NK) sphincterotomy seems to be a safe and feasible modality for CBD stone retrieval in patients with prior Billroth II gastrectomy.

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