title: EUS-guided drainage of hepatic abscess and infected biloma using short and long metal stents (with videos).
abstract: BACKGROUND
  Currently, few reports exist on EUS-guided hepatic abscess drainage (EUS-HAD) and EUS-guided biloma drainage (EUS-BLD) using a metal stent.
  
  
  OBJECTIVE
  We evaluated the technical success rate and efficacy of EUS-HAD and EUS-BLD for patients with hepatic abscess (HA) and infected biloma.
  
  
  METHODS
  Retrospective case series.
  
  
  METHODS
  Single tertiary referral medical center.
  
  
  METHODS
  We evaluated 7 HA and 6 infected biloma patients who were treated between August 2013 and August 2014 at Tokyo Medical University Hospital.
  
  
  METHODS
  EUS-HAD or EUS-BLD using a short (length, 2 or 3 cm) or long (length, 6 or 8 cm) self-expandable fully covered metal stent.
  
  
  METHODS
  Technical success, clinical success, and adverse event.
  
  
  RESULTS
  The overall technical success rate was 100% in both EUS-HAD and EUS-BLD. The clinical success rates of EUS-HAD and EUS-BLD at the first session were 71.4% and 83.3%, respectively. Direct endoscopic necrosectomy was required in 1 case each of HA and infected biloma. The final clinical success rate was 100%. There were no procedure-related adverse events or cases of recurrence during the follow-up period (median, 83.5 days; range, 24-396 days).
  
  
  CONCLUSIONS
  Small sample size and no control group.
  
  
  CONCLUSIONS
  EUS-HAD and EUS-BLD using a metal stent can be performed safely and effectively for HA and infected biloma.
authors.affiliation: Department of Gastroenterology and Hepatology, Tokyo Medical University, Tokyo, Japan.
authors.forename: Ryosuke
authors.initials: R
authors.lastname: Tonozuka
authors.affiliation: Department of Gastroenterology and Hepatology, Tokyo Medical University, Tokyo, Japan.
authors.forename: Takao
authors.initials: T
authors.lastname: Itoi
authors.affiliation: Department of Gastroenterology and Hepatology, Tokyo Medical University, Tokyo, Japan.
authors.forename: Takayoshi
authors.initials: T
authors.lastname: Tsuchiya
authors.affiliation: Department of Gastroenterology and Hepatology, Tokyo Medical University, Tokyo, Japan.
authors.forename: Atsushi
authors.initials: A
authors.lastname: Sofuni
authors.affiliation: Department of Gastroenterology and Hepatology, Tokyo Medical University, Tokyo, Japan.
authors.forename: Kentaro
authors.initials: K
authors.lastname: Ishii
authors.affiliation: Department of Gastroenterology and Hepatology, Tokyo Medical University, Tokyo, Japan.
authors.forename: Nobuhito
authors.initials: N
authors.lastname: Ikeuchi
authors.affiliation: Department of Gastroenterology and Hepatology, Tokyo Medical University, Tokyo, Japan.
authors.forename: Junko
authors.initials: J
authors.lastname: Umeda
authors.affiliation: Department of Gastroenterology and Hepatology, Tokyo Medical University, Tokyo, Japan.
authors.forename: Reina
authors.initials: R
authors.lastname: Tanaka
authors.affiliation: Department of Gastroenterology and Hepatology, Tokyo Medical University, Tokyo, Japan.
authors.forename: Shuntaro
authors.initials: S
authors.lastname: Mukai
authors.affiliation: Department of Gastroenterology and Hepatology, Tokyo Medical University, Tokyo, Japan.
authors.forename: Takuji
authors.initials: T
authors.lastname: Gotoda
authors.affiliation: Department of Gastroenterology and Hepatology, Tokyo Medical University, Tokyo, Japan.
authors.forename: Fuminori
authors.initials: F
authors.lastname: Moriyasu
mesh_terms: D001646:Bile / Q000000981:diagnostic imaging; D001649:Bile Duct Diseases / Q000382:microbiology / Q000628:therapy*; D001653:Bile Ducts, Intrahepatic / Q000000981:diagnostic imaging / Q000382:microbiology; D004322:Drainage / Q000295:instrumentation / Q000379:methods*; D019160:Endosonography / Q000379:methods*; D005260:Female; D006801:Humans; D007239:Infections / Q000150:complications; D008099:Liver / Q000000981:diagnostic imaging; D008100:Liver Abscess / Q000000981:diagnostic imaging / Q000628:therapy*; D008297:Male; D008670:Metals; D012189:Retrospective Studies; D015607:Stents; D016896:Treatment Outcome
chemical_list: D008670:Metals