Abstract
The purpose of this study is to evaluate the feasibility of constrained endografts used for the treatment of transjugular intrahepatic portosystemic shunt (TIPS)-related refractory hepatic encephalopathy (HE). Because the clinical status of two patients worsened (return of intractable ascites requiring transplantation, n = 1; death, n = 1) after complete balloon occlusion, six patients were treated with constrained/modified Wallgraft endoprostheses placed within the preexisting TIPS. Shunt reductions were technically successful in all six patients, as shown by an immediate mean portosystemic gradient increase of 9.3 mm Hg. Clinical improvement was achieved in five patients within 72 hours of reduction. The remaining patient continued to decline and died 3 weeks later. Two endografts completely occluded within 8 months without HE recurrence. This technique offers an attractive alternative to previously described shunt reduction methods.
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