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  • Title: Portal vein thrombosis in liver cirrhosis: incidence, management, and outcome.
    Author: Fujiyama S, Saitoh S, Kawamura Y, Sezaki H, Hosaka T, Akuta N, Kobayashi M, Suzuki Y, Suzuki F, Arase Y, Ikeda K, Kumada H.
    Journal: BMC Gastroenterol; 2017 Oct 25; 17(1):112. PubMed ID: 29070023.
    Abstract:
    BACKGROUND: Portal vein thrombosis (PVT) is a serious complication in liver cirrhosis with portal hypertension. We examined the treatment, recurrence and prognosis of PVT in cirrhotic patients. METHODS: The study subjects were all 90 cirrhotic patients with PVT treated with danaparoid sodium (DS) at our department between July 2007 and September 2016. The mean age was 68 years and mean Child-Pugh score was 7. All patients received 2500 U/day of DS for 2 weeks, and repeated in those who developed PVT recurrence after the initial therapy. RESULTS: Complete response was noted in 49% (n = 44), partial response (shrinkage ≥70%) in 33% (n = 30), and no change (shrinkage <70%) in 18% (n = 16) of the patients after the initial course of treatment. DS treatment neither caused adverse events, particularly bleeding or thrombocytopenia, nor induced significant changes in serum albumin, total bilirubin, prothrombin time, and residual liver function. Re-treatment was required in 44 patients who showed PVT recurrence and 61% of these responded to the treatment. The cumulative recurrence rates at 1 and 2 posttreatment years were 26 and 30%, respectively. The recurrence rates were significantly lower in patients with acute type, compared to the chronic type (p = 0.0141). The cumulative survival rates at 1 and 3 years after treatment (including maintenance therapy with warfarin) were 83 and 60%, respectively, and were significantly higher in patients with acute type than chronic type (p = 0.0053). CONCLUSION: We can expect prognostic improvement of liver cirrhosis by warfarin following two-week DS therapy for the treatment of PVT in patients with liver cirrhosis safety and effectiveness. An early diagnosis of PVT along with the evaluation of the volume of PVT on CT and an early intervention would contribute to the higher efficacy of the treatment.
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