P111 | Results of a single centre on the use of dilation-assisted stone extraction in clinical practice and to assess its efficacy and safety for biliopancreatic diseases treatment
F. Padedda1, F. Miculan1, F. Panzone2 | 1UO San Martino, Oristano, 2Distretto Oristano, Italy
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Materials and Methods: This retrospective study aims to report the results of a single centre on the use of Dilation-Assisted Stone Extraction (DASE) for biliopancreatic diseases treatment. From 01/2020 to 09/2023 we collected data on 41 patients treated with DASE. Technical success was obtained when the endoscopist was able to place the balloon trough the papilla inflating the balloon until the final diameter. Clinical success was achieved after complete stone removal. The patients enrolled were 41, 22 male(54%) and 19 female(46%, age 63.7 years±12.3. Indication for DASE was permanent stones in 100% of patients and a periampullary diverticulum in 12 of them. The major diameter of the common bile duct was 18.95 mm±5.13 and the mean size of stones of 16.21 mm±3.44. In most patients (68%) ERCP was applied for the first time, while another group (32%) was previously treated with endoscopic sphincterotomy. Total sphincterotomy was performed in 18 patients and mainly in those who did not have the periampullary diverticulum. It was a technical and clinical success obtained in 92.68% of patients. DASE failed in 3 patients who were then sent to a level III centre for choledochoscopy and intracanal lithotripsy. The mean diameter of the inflated balloon was 16.4 mm±2.35. The average time of the balloon dilation was of 26.70 seconds±7.03. In 4 patients where the Wursung duct was involuntary cannulated, a pancreatic stent was inserted to prevent post-ERCP pancreatitis.
Conclusions: Our study confirms that the use of DASE technique in endoscopic treatment of common bile duct stones is effective and safe.
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