Sa1406 UNILATERAL VERSUS BILATERAL ENDOSCOPIC STENTING IN PATIENTS WITH UNRESECTABLE MALIGNANT HILAR OBSTRUCTION: A SYSTEMATIC REVIEW AND META-ANALYSIS

ERCP with stent placement is used for the palliative management of unresectable malignant hilar obstruction. It is currently unknown how the unilateral stenting approach compares with bilateral stenting. Furthermore, it is not certain whether hilar metallic stenting offers advantages over plastic stenting. Aims: To 1) compare the outcomes of unilateral and bilateral stenting in patients with unresectable malignant hilar obstruction and 2) assess...