Abstract
Background and aimsStent migration is one of the most common complications during the placement of multiple plastic biliary stents (MPBS) under endoscopy. This study aims to evaluate the feasibility and efficiency of the fishing line assisted (FLA) method for preventing the complication.Methods Patients with unresectable malignant hilar biliary obstruction (MHBO) who undergone endoscopic placement of MPBS using the FLA or conventional method from May 2018 to April 2021 in our center were enrolled in the study. The endpoints of this study were the stent migration rate, technical success rates, adverse events rates, times of stent migration, and the procedure time.ResultsFLA group (N = 19) and conventional group (N = 22) had similar baseline characteristics of the patients. The technical success rates (100% vs. 95.5%; P > 0.05), ERCP-related adverse events rates (5.3% vs. 4.5%; P > 0.05), and the stent-related adverse events rates (0% vs. 4.5%; P > 0.05) were no significant differences between the FLA and conventional groups. MPBS inserted using the conventional method consumed more time (median, 33.9 min vs. 15.6 min; P < 0.05) method and increased the times of stent migration (median, 3 times vs. 0 times; P < 0.05) than using the FLA method. Even if no statistical difference was detected in the stent migration rate between groups, this rate was lower in the FLA group than the conventional group (0% vs. 13.6%; P > 0.05).ConclusionsFLA method is an effective technique for MPBS implantation to prevent stent migration during endoscopic retrograde cholangiography (ERCP). The method should be applied to patients with unresectable MHBO who need to place MPBS.
Highlights
Background and aimsStent migration is one of the most common complications during the placement of multiple plastic biliary stents (MPBS) under endoscopy
The exclusion criteria for this research were as follows : (1) patients had a history of both biliary stent placement and percutaneous transhepatic biliary drainage (PTBD). (2) Two stents were both inserted into the right or left hepatic duct and (3) clinical data of patients is incomplete
Patients information There were 41 patients were enrolled in our research. 19 patients in the fishing line assisted (FLA) group and 22 patients in the conventional group were analyzed in our study
Summary
Stent migration is one of the most common complications during the placement of multiple plastic biliary stents (MPBS) under endoscopy. This study aims to evaluate the feasibility and efficiency of the fishing line assisted (FLA) method for preventing the complication. Biliary drainage is widely used to relieve those symptoms in patients with MHBO and improve the quality of life. The placement of stents during ERCP in the obstruction region is an effective palliation method, this program is often done by the experienced endoscopist [5, 6]. Patients with unresectable MHBO usually need to insert MPBS during ERCP [9,10,11]. We evaluate the safety and feasibility of the method for MPBS placement
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