Su1239 SAFETY AND FEASIBILITY OF CONVERSION FROM PERCUTANEOUS TRANSHEPATIC GALLBLADDER DRAINAGE TO TRANSMURAL ENDOSCOPIC ULTRASOUND-GUIDED GALLBLADDER DRAINAGE FOR ACUTE CHOLECYSTITIS IN UNRESECTABLE MALIGNANT BILIARY OBSTRUCTION

Endoscopic ultrasound-guided gallbladder drainage (EUS-GBD) has been reported as a useful therapeutic option for gallbladder drainage. Although a few reports suggested that EUS-GBD is advantageous over percutaneous transhepatic gallbladder drainage (PTGBD) for the treatment of acute cholecystitis in quality of life, PTGBD has easier accessibility over EUS-GBD in urgent care, procedure time and anesthesia support as an initial drainage . In this...