Self-expandable metal stents for the extraction of common bile duct stones in patients receiving dual antiplatelet agents: a pilot study
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Endoscopic sphincterotomy or endoscopic papillary balloon dilatation during endoscopic retrograde cholangiopancreatography (ERCP) are associated with a high risk of bleeding in patients receiving dual antiplatelet agents (APAs). However, the discontinuation of antiplatelet agents increases the risk of thromboembolic events in these patients. To date, the placement of self-expandable metal stents (SEMSs) in patients receiving dual APAs has not been well investigated. The aim of this study was to evaluate the feasibility and safety of SEMS placement for the removal of common bile duct (CBD) stones in patients in whom APAs were not discontinued.
Ten consecutive patients who were suspected of having CBD stones and who were receiving dual APAs were prospectively enrolled and underwent temporary SEMS placement, followed by stone extraction and SEMS removal. The patients continued taking dual APAs at the time of undergoing the procedure.
SEMS placement was successful in all ten patients. Complete duct clearance with the SEMSs was achieved in a single session in all patients with CBD stones (9/9, 100%). One patient had cholangitis, but ERCP did not reveal biliary stones. There were no cases of bleeding during or after the procedure, even though all patients continued to take dual APAs. There were no new thromboembolic events.
SEMSs can be used for the extraction of CBD stones in patients on dual APAs, and does not lead to hemorrhagic or thromboembolic events.
KeywordsCholedocholithiasis ERCP Self-expandable metal stent (SEMS) Antiplatelet agents
Compliance with ethical standards
Drs. Eunae Cho, Chang Hwan Park, Chung Hwan Jun, Hyun Soo Kim, Sung Kyu Choi, and Jong Sun Rew have no conflicts of interest or financial ties to disclose.
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