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  • Title: Predictive factors for persistent splenomegaly and hypersplenism after adult living donor liver transplantation.
    Author: Chen TY, Chen CL, Huang TL, Tsang LL, Ou HY, Yu CY, Hsu HW, Cheng YF.
    Journal: Transplant Proc; 2012 Apr; 44(3):752-4. PubMed ID: 22483486.
    Abstract:
    PURPOSE: The aim of this study was to evaluate predictive factors for persistent splenomegaly and hypersplenism after living donor liver transplantation (LDLT). PATIENTS AND METHODS: From January 2008 to June 2010, 159 adult patients (116 males and 43 females) who underwent living donor liver transplantation (LDLT) had pre- and post-LDLT computed tomography angiography and survived more than 6 months. Patients with post-LDLT portal vein stenosis were excluded from this study. We analyzed the impact for persistent splenomegaly and hypersplenism after LDLT of pre-LDLT spleen volume, main portal vein (PV) size, coronary vein (CV) size and platelet levels. RESULTS: While 38 patients displayed splenomegaly, 121 showed normal spleen volumes at 6 months after LDLT (LDLT). There were 119 thrombocytopenic versus 40 normal platelet patients at 6 months post-LDLT. The persistent splenomegaly patients showed significantly larger pre-LDLT spleen volume, larger PV and CV sizes as well as lower platelet levels before (×10,000/mL) and 1 month after LDLT (×10,000/mL). Multiple logistic regression analysis showed spleen volume and platelet count at 1 month posttransplant to be the only variables associated with persistent splenomegaly at 6 months post. Persistent thrombocytopenia at 6 months post-LDLT was associated with significantly larger pre-LDLT spleen volume, larger CV size, and lower platelet levels including P0 and P1 m. Multiple logistic regression analysis showed that platelet count at 1 week and at 1 month post-LDLT were the variables associated with persistent thrombocytopenia at 6 months post-LDLT. CONCLUSION: Spleen volume and platelet levels at 1 month after LDLT may predict persistent splenomegaly at 6 months post-LDLT. The predictive factors for hypersplenism at 6 months post-LDLT may be platelet levels at 1 week and at 1 month post-LDLT.
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