Abstract:Background Endoscopic retrograde biliary drainage (ERBD) is the treatment of choice for patients with malignant distal common bile duct (CBD) obstruction. Self-expandable metal stents (SEMS), which are commonly used in unresectable cases, have many clinical advantages, including longer stent patency. Although the expected patency of SEMS is around eight months, it has recently been reported that the duration of SEMS patency in patients using aspirin is prolonged. Our study therefore aims to confirm the effect … Show more
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