【摘 要】
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Background: Extrahepatic portal vein obstruction (EHPVO) results in severe portal hypertension (PHT) leading to severely compromised quality of life. Often, pharmacological and endoscopic management is unable to solve this problem. Restoring hepatic porta
【机 构】
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Service de Chirurgie et Transplantation Abdominale,Cliniques Universitaires Saint-Luc,Université Cat
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Background: Extrahepatic portal vein obstruction (EHPVO) results in severe portal hypertension (PHT) leading to severely compromised quality of life. Often, pharmacological and endoscopic management is unable to solve this problem. Restoring hepatic portal flow using meso-Rex bypass (MRB) may solve it. This procedure, uncommon in adult patients, is considered the treatment of choice for EHPVO in children. Methods: From 1997 to 2018, 8 male and 6 female adults, with a median age of 51 years (range 22–66) underwent MRB procedure for EHPVO at the University Hospitals Saint-Luc in Brussels, Belgium. Symp- toms of PHT were life altering in all but one patient and consisted of repetitive gastro-intestinal bleedings, sepsis due to portal biliopathy, and/or severe abdominal discomfort. The surgical technique consisted in interposition of a free venous graft or of a prosthetic graft between the superior mesenteric vein and the Rex recess of the left portal vein.Results: Median operative time was 500 min (range 300–730). Median follow-up duration was 22 months (range 2–169). One patient died due to hemorrhagic shock following percutaneous transluminal interven- tion for early graft thrombosis. Major morbidity, defined as Clavien-Dindo score ≥Ⅲ, was 35.7％ (5/14). Shunt patency at last follow-up was 64.3％ (9/14): 85.7％ (6/7) of pure venous grafts and only 42.9％ (3/7) of prosthetic graft. Symptom relief was achieved in 85.7％ (12/14) who became asymptomatic after MRB. Conclusions: Adult EHPVO represents a difficult clinical condition that leads to severely compromised quality of life and possible life-threatening complications. In such patients, MRB represents the only and last resort to restore physiological portal vein flow. Although successful in a majority of patients, this procedure is associated with major morbidity and mortality and should be done in tertiary centers expe- rienced with vascular liver surgery to get the best results.
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