Su1434 EFFICACY OF MULTI-HOLE SELF-EXPANDABLE METAL STENTS VERSUS FULLY-COVERED SELF-EXPANDABLE METAL STENTS IN PATIENTS WITH UNRESECTABLE MALIGNANT DISTAL BILIARY OBSTRUCTION: A PROSPECTIVE COHORT STUDY WITH PROPENSITY SCORE MATCHING

Self-expandable metal stents (SEMS) is a well-accepted palliative biliary drainage in patients with malignant distal biliary obstruction (MDBO). The advantages of fully-covered SEMS (FCSEMS) over the uncovered-SEMS are its membrane that can prevent tumor ingrowth and this makes it a removable stent. However, stent migration that leads to recurrent biliary obstruction (RBO) is the major concern. Multi-hole SEMS (MHSEMS) is a newly design FCSEMS...