Adverse Event Severity Grading System Applied to Percutaneous Transhepatic Biliary Metal Stenting as A One- or Two-Stage Procedure in Patients with Unresectable Malignant Extrahepatic Bile Duct Obstruction
1. Abstract 1.1. Aims: Percutaneous transhepatic biliary stenting (PTBS) can be associated with adverse events (AEs) of different severities. AEs might be assessed by a standardized AE severity grading system. The aim of this study was to compare the severity of adverse events in the 30-day interval after PTBS as a one- or two-stage procedure …