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Superiority of Pancreatic Duct Stent-Assisted Biliary Cannulation for Difficult Biliary Cannulation During Endoscopic Retrograde Cholangiopancreatography After Unintentional Pancreatic Duct Access
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DOI：10.1097/SLE.0000000000001440.png)
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Abstract
En 中文
Background:A retrospective analysis was conducted on consecutive patients who underwent endoscopic retrograde cholangiopancreatography (ERCP). This study aimed to evaluate the efficacy and safety of different techniques in difficult biliary cannulation cases after unintentional pancreatic duct access. Methods:The patients were divided into 4 groups according to the cannulation method: the double guidewire (DGW) group, the transpancreatic sphincterotomy (TPS) group, the transpancreatic sphincterotomy combined with a pancreatic duct stent (TPS-PDS) group, and the precut over a pancreatic duct stent (PPDS) group. The baseline characteristics, biliary cannulation success rate, and postendoscopic retrograde cholangiopancreatography pancreatitis (PEP) incidence were compared and analyzed among these groups. Results:A total of 228 cases were enrolled, and there were no significant statistical differences among the groups in terms of the type of baseline characteristic. The final success rates for biliary cannulation ranged from 88.60% to 97.10%, and the incidence of PEP ranged from 0% to 27.50% among the 4 groups (P=0.147 and 0.005, respectively). The incidence of severe PEP was significantly higher in the TPS group compared with the other groups (P<0.001). Among the 156 cases that received pancreatic duct stent placement, the stents spontaneously migrated in 109 cases within 3 months. Furthermore, stents with trimmed wings had significantly higher migration rates when compared with stents without trimmed wings (88.50% vs. 22.70%, P<0.001). Conclusions:For cases with difficult biliary cannulation after unintentional pancreatic duct access, TPS-PDS and PPDS are superior to DGW and TPS. Pancreatic duct stents with a trimmed front side wing would spontaneously migrate at a significantly higher rate.
Keywords:
endoscopic retrograde cholangiopancreatography
difficult biliary cannulation
precut over a pancreatic duct stent
transpancreatic precut sphincterotomy
double guidewire
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