title: A controlled analysis of the transjugular intrahepatic portosystemic shunt in liver transplant recipients. The National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) Liver Transplantation Database.
abstract: BACKGROUND
  The transjugular intrahepatic portosystemic shunt (TIPS) is an important treatment for complications of portal hypertension. As some authors have suggested that TIPS may facilitate liver transplantation technically, the objective of this study was to determine the impact of TIPS on the liver transplant operation and its outcome.
  
  
  METHODS
  The analysis was designed as a retrospective cohort study using a multicenter database. Fifty-five patients with TIPS were matched with 55 controls on the basis of 10 pretransplant laboratory, clinical, and demographic features. TIPS patients and control patients were compared with regard to duration of surgery, intraoperative blood product usage, liver and renal function, volume of ascites, survival, and hospital stay. For confirmatory purposes, a parallel analysis using linear regression methods was performed.
  
  
  RESULTS
  By matched analysis, TIPS patients had less ascites at surgery (mean 0.9+/-0.20 vs. 2.2+/-0.37 L, P=0.005) and a slightly shorter time from incision to cross-clamp (mean 2.1+/-0.10 vs. 2.5+/-0.15 hr, P=0.03). However, there were not significant differences for total operative time (mean 6.0+/-0.17 vs. 6.3+/-0.25 hr, P=1.00), blood product usage, or any other outcome variable. Regression analysis confirmed these results.
  
  
  CONCLUSIONS
  TIPS does not significantly impact the course of liver transplantation surgery. Therefore, preoperative portal decompression solely to facilitate liver transplantation is not an appropriate indication for TIPS.
authors.affiliation: Department of Medicine, University of California, San Francisco 94143, USA.
authors.forename: K A
authors.initials: KA
authors.lastname: Somberg
authors.forename: M S
authors.initials: MS
authors.lastname: Lombardero
authors.forename: S M
authors.initials: SM
authors.lastname: Lawlor
authors.forename: N L
authors.initials: NL
authors.lastname: Ascher
authors.forename: J R
authors.initials: JR
authors.lastname: Lake
authors.forename: R H
authors.initials: RH
authors.lastname: Wiesner
authors.forename: R K
authors.initials: RK
authors.lastname: Zetterman
mesh_terms: D015331:Cohort Studies; D005069:Evaluation Studies as Topic; D006400:Hematocrit; D006801:Humans; D007677:Kidney Function Tests; D008111:Liver Function Tests; D016031:Liver Transplantation / Q000401:mortality / Q000502:physiology*; D008297:Male; D008875:Middle Aged; D019168:Portasystemic Shunt, Transjugular Intrahepatic / Q000592:standards*; D012044:Regression Analysis; D012189:Retrospective Studies; D015996:Survival Rate; D013997:Time Factors