Expert recommendation on magnetic recanalization for the treatment of biliary anastomosis stricture after liver transplantation

Anastomosis stricture is a common complication after liver transplantation. Endoscopic retrograde cholangiopancreaticography (ERCP) or percutaneous transhepatic cholangial drainage (PTCD) is the first recommended method. However, when the stricture is severe or totally occluded, conventional ways are unavailable. Magnetic recanalization is another useful choice for these cases. Based on the comprehensive literature review and experts' experiences, expert recommendations, focusing on magnetic recanalization for the treatment of biliary anastomosis stricture after liver transplantation, were achieved on the indications or contraindications, magnetic design, operation steps, matters need attentions and complication prevention.