Journal
HEPATOLOGY
Volume 74, Issue 5, Pages 2735-2744Publisher
WILEY
DOI: 10.1002/hep.31915
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This study investigated the efficacy of TIPS for the treatment of chronic EHPVO, cavernomatosis, and mesenteric venous thrombosis in noncirrhotic adults. The results showed that TIPS is technically feasible and beneficial for most patients, with a need for improved patency rates and proper timing of anticoagulation therapy.
Background and Aims Extrahepatic portal vein occlusion (EHPVO) from portal vein thrombosis is a rare condition associated with substantial morbidity and mortality. The purpose of this study is to investigate the efficacy of transjugular intrahepatic portosystemic shunts (TIPS) for the treatment of chronic EHPVO, cavernomatosis, and mesenteric venous thrombosis in adults without cirrhosis who are refractory to standard-of-care therapy. Approach and Results Thirty-nine patients with chronic EHPVO received TIPS. Laboratory parameters and follow-up were assessed at 1, 3, 6, 12, and 24 months, and every 6 months thereafter. Two hepatologists adjudicated symptom improvement attributable to mesenteric thrombosis and EHPVO before/after TIPS. Kaplan-Meier was used to assess primary and overall TIPS patency, assessing procedural success. Adverse events, radiation exposure, hospital length-of-stay and patency were recorded. Cavernoma was present in 100%, with TIPS being successful in all cases using splenic, mesenteric, and transhepatic approaches. Symptom improvement was noted in 26 of 30 (87%) at 6-month follow-up. Twelve patients (31%) experienced TIPS thrombosis. There were no significant long-term laboratory adverse events or deaths. At 36 months, freedom from primary TIPS thrombosis was 63%; following secondary interventions, overall patency was increased to 81%. Conclusions TIPS in chronic, noncirrhotic EHPVO with cavernomas and mesenteric venous thrombosis is technically feasible and does not adversely affect liver function. Most patients demonstrate subjective and objective benefit from TIPS. Improvement in patency rates are needed with proper timing of adjuvant anticoagulation.
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