The Transjugular Intrahepatic Portosystemic StentShunt Procedure for Refractory Ascites
Andreas Ochs, M.D., Martin Rössle, M.D., Klaus Haag, M.D., Karl-Heinz Hauenstein, M.D., Peter Deibert, M.D., Volker Siegerstetter, M.D., Martin Huonker, M.D., Mathias Langer, M.D., and Hubert E. Blum, M.D.
Background Previous studies have suggested that the transjugularplacement of an intrahepatic stent to establish a portosystemicshunt is an effective treatment of uncomplicated ascites accompanyingvariceal bleeding. We studied the stent shunt for use in patientswith liver cirrhosis and ascites refractory to medical treatment.
Methods Fifty of 62 consecutive patients with cirrhosis andrefractory ascites were treated with the stent shunt an expandable stent of metallic mesh placed between a majorbranch of the portal vein and one of the hepatic veins. Patientswere followed for a mean (±SD) of 426±333 days.
Results The stent shunt was successfully placed in all patientsand reduced the pressure gradient between the portal vein andthe inferior vena cava by an average of 63 percent. Thirty-sevenpatients (74 percent) had complete responses (total remissionof ascites within three months), and nine patients (18 percent)had partial responses. Four patients did not respond, includingtwo who died within two weeks of shunt placement. After theprocedure, 25 patients had hepatic encephalopathy, as comparedwith 20 patients before the procedure; although encephalopathyimproved in 3 patients, new encephalopathy developed in 8 patients.In the 28 of the 33 patients followed for more than six monthswho were evaluated, the mean serum creatinine concentrationwas 1.5±0.09 mg per deciliter (133±8 µmolper liter) before placement of the stent shunt, 1.5±1.6mg per deciliter (133±141 µmol per liter) one weekafter the procedure, and 0.9±0.3 mg per deciliter (80±27µmol per liter) after six months (P = 0.008 for the comparisonof concentrations before and six months after the procedure).Renal function did not improve in the six patients with organickidney disease. Procedure-related complications developed in16 patients. During follow-up, an additional 29 patients died 10 of progressive liver disease and 19 of other causes.Survival for at least one year was associated with a patient'sbeing under 60 years of age, having a serum bilirubin levelbefore placement of the stent shunt of less than 1.3 mg perdeciliter (22 µmol per liter), and having a complete response.
Conclusions Our findings in an uncontrolled prospective studysuggest that the transjugular intrahepatic portosystemic stentshuntprocedure was an effective treatment for many patients withliver cirrhosis and refractory ascites, but mortality from underlyingdiseases was substantial.
Source Information
From the Departments of Medicine (A.O., M.R., K.H., P.D., V.S., M.H., H.E.B.) and Radiology (K.-H.H., M.L.), Albert Ludwig University School of Medicine, Freiburg, Germany.
Address reprint requests to Dr. Rössle at the Medizinische Universitätsklinik II, Hugstetterstr. 55, 79106 Freiburg, Germany.
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