Endoscopic nasobiliary drainage and percutaneous transhepatic biliary drainage for the treatment of acute obstructive suppurative cholangitis: a retrospective study of 37 cases.

Background/aims: This study compared the effectiveness and safety of endoscopic nasobiliary drainage(ENBD) to percutaneous transhepatic biliary drainage(PTBD) for the treatment of acute obstructive suppurative cholangitis (AOSC).

Methodology: AOSC patients were assigned to undergo either ENBD (n=22) or PTBD(n=15).

Results: In the ENBD group, the procedure was successfully completed in 19 patients (86.