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  • Title: Portal vein stent placement after hepatobiliary and pancreatic surgery.
    Author: Khan A, Kleive D, Aandahl EM, Fosby B, Line PD, Dorenberg E, Guvåg S, Labori KJ.
    Journal: Langenbecks Arch Surg; 2020 Aug; 405(5):657-664. PubMed ID: 32621087.
    Abstract:
    PURPOSE: To evaluate the long-term outcomes of percutaneous transhepatic stent placement for portal vein (PV) stenosis after liver transplantation (LT) and hepato-pancreato-biliary (HPB) surgery. METHODS: Retrospective study of 455 patients who underwent LT and 522 patients who underwent resection of the pancreatic head between June 2011 and February 2016. Technical success, clinical success, patency, and complications were evaluated for both groups. RESULTS: A total of 23 patients were confirmed to have postoperative PV stenosis and were treated with percutaneous transhepatic PV stent placement. The technical success rate was 100%, the clinical success rate was 80%, and the long-term stent patency was 91.3% for the entire study population. Two procedure-related hemorrhages and two early stent thromboses occurred in the HPB group while no complications occurred in the LT group. A literature review of selected studies reporting PV stent placement for the treatment of PV stenosis after HPB surgery and LT showed a technical success rate of 78-100%, a clinical success rate of 72-100%, and a long-term patency of 57-100%, whereas the procedure-related complication rate varied from 0-33.3%. CONCLUSIONS: Percutaneous transhepatic PV stent is a safe and effective treatment for postoperative PV stenosis/occlusion in patients undergoing LT regardless of symptoms. Due to increased risk of complications, the indication for percutaneous PV stent placement after HPB surgery should be limited to patients with clinical symptoms after an individual assessment.
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