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  • Title: Portal Vein Pull-Through Technique and Thrombectomy for Extensive Portal Vein Thrombosis.
    Author: Kilic M, Farajov R, Iakobadze Z, Akcalar S, Camli D, Kilic K, Yilmaz C, Karaca CA.
    Journal: Transplant Proc; 2023 Mar; 55(2):375-378. PubMed ID: 36959031.
    Abstract:
    BACKGROUND: Herein, a different technique is presented describing complete dissection of the entire portal vein (PV), superior mesenteric vein (SMV), and splenic vein, thus enabling a complete thrombectomy without the risk of uncontrolled hemorrhage due to blind thrombectomy. METHODS: In cases where a thrombectomy would not be an option because of extensive thrombosis involving the confluence of the PV and SMV, small branches of the SMV, including the inferior mesenteric vein, were divided. Both the SMV and splenic vein were encircled separately. Then, the side branches of the PV above the pancreas, left gastric vein on the left side, and superior pancreatoduodenal vein on the right side were divided. The lateral and posterior part of the PV were dissected within the pancreas both from above and below, allowing the main PV completely free from attachments. At this point, the splenic vein and SMV were clamped, and the main PV was divided above the pancreas and then pulled back through the pancreatic tunnel. The thrombus was easily dissected of the vein under direct visualization, and afterward the PV was redirected to its original position. Then, the liver transplant was carried out in a regular fashion. RESULTS: This technique was applied to 2 patients. The first was a 43-year-old man who underwent a right lobe living donor liver transplant because of hepatitis B virus-related cirrhosis. The patient is still alive and well with stable liver function after 15 years of follow-up. The second was a 69-year-old woman who underwent a right lobe living donor liver transplant because of hepatitis C virus and hepatocellular carcinoma. She survived the procedure and her liver function was entirely normal afterward. She died of pneumonia and sepsis 5 months after transplant. CONCLUSIONS: This technique enables complete dissection of the entire PV, SMV, and splenic vein. Thus, complete thrombectomy under direct visualization without the risk of uncontrolled hemorrhage can be performed.
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