Sixty-nine complications occurred in 47 patients. External (124 procedures, 84.9%) and external/internal biliary drainage (22 procedures, 15.1%) were carried out by puncture of dilated right (59.6%) or left (40.4%) intrahepatic duct. Ultrasound-guided percutaneous transhepatic biliary drainage was compared with conventional biliary drainage of previous reports on the basis of frequency of complications. Retrospectively reviewing medical records, we found out frequency of external or external/internal biliary drainages, puncture of left or right hepatic duct, and presence of bileinfection. The causes of biliary obstruction were: benign diseases (19 cases, 14.2%) such as bile duct stones or stricture, cholangiocarcinoma (37 cases, 27.6%), pancreatic carcinoma (35 cases, 26.1%), metastasis (22 cases, 16.5%), gall bladder cancer (14 cases, 10.4%), ampulla of Vater cancer (4 cases, 3.0%), hepatocellular carcinoma (3 cases, 2.2%). Ultrasound-guided percutaneous transhepatic biliary drainage was performed on 146 occasions in 134 patients. The purpose of this study is to review and evaluate the experiences of ultrasound-guided percutaneous transhepatic biliary drainage. Percutaneous biliary drainage is an important technique for palliative therapy of obstructive biliary disease and diagnostic information. Kim, Jai Keun [Sohwa Children' s Hospital, Seoul(Korea, Republic of) Yu, Jeong Sik Kim, Ki Whang Chung, Soo Yoon Jeong, Mi Gyoung [Yonsei University College of Medicine, Seoul (Korea, Republic of) Choi, Deuk Lin Kwon, Gui Hyang Lee, Hae Kyung [Soonchunhyang University College of Medicine, Seoul (Korea, Republic of) Ultrasound-guided percutaneous transhepatic biliary drainage: Experiences in 146 patientsĮnergy Technology Data Exchange (ETDEWEB)
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