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  • Title: Adult liver transplantation and abnormalities of splanchnic veins: experience in 53 patients.
    Author: Lerut JP, Mazza D, van Leeuw V, Laterre PF, Donataccio M, de Ville de Goyet J, Van Beers B, Bourlier P, Goffette P, Puttemans T, Otte JB.
    Journal: Transpl Int; 1997; 10(2):125-32. PubMed ID: 9089998.
    Abstract:
    The aim of this study was to analyze the influence of technical problems resulting from splanchnic venous anomalies on the outcome of orthotopic liver transplantation. From February 1984 until December 1995, 53 (16.3%) of 326 adults underwent consecutive transplantations whilst having acquired anomalies of the splanchnic veins. These consisted of portal vein thrombosis (n = 32, 9.8%), thrombosis with inflammatory venous changes (phlebitis; n = 6, 1.8%) and alterations related to portal hypertension surgery (n = 15, 4.6%). Because of major changes in surgical technique, i.e., eversion instead of blind venous thrombectomy, immediate superior mesenteric vein approach in cases of extended thrombosis, and piggyback implantation with preservation instead of removal of the inferior vena cava, patients were divided into two groups: those who underwent transplantation during the period February 1984 to December 1990 (group 1) and those transplanted between January 1991 and December 1995 (group 2). Surgical procedures to overcome the anomalies consisted of venous thrombectomy (n = 26), implantation of the donor portal vein at the splenomesenteric confluence (n = 5) or onto a splenic (n = 1) or ileal varix (n = 1), interposition of a free iliac venous graft between recipient superior mesenteric vein and donor portal vein (n = 9), and interruption of surgical portosystemic shunt (n = 13). All patients had a complete follow-up. The 1- and 5-year actuarial patient survival rates were similar in patients with (n = 53) and without (n = 273) splanchnic venous abnormalities (75.5% vs 78.1% and 64.3% vs 66.9%, respectively). Early (< 3 months) post-transplant mortality was 24.5% (13/53 patients). Mortality was highest in the portal vein thrombophlebitis group (5/6, 83.3%), followed by the portal hypertension surgery group (5/15, 33.3%) and the portal vein thrombosis group (3/32, 9.4%). Technical modifications significantly reduced mortality in group 2 (10.3%, 3/29 vs 41.7%, 10/24 patients in group 1; P < 0.05) as well as the need for re-exploration for bleeding (13.8%, 4/29 patients in group 2 vs 15/24, 62.5% in group 1; P < 0.01). Mortality directly related to bleeding was also significantly lowered (1/29, 3.4% in group 2 vs 9/ 24, 37.5% in group 1; P < 0.01). We conclude that liver transplantation can be safely performed in the presence of splanchnic vein thrombosis and previous portal hypertension surgery.
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