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Objectives: Splenomegaly and hypersplenism caused by liver failure increase the mortality and morbidity of patients even after liver transplantation if they do not regress. We evaluated the relation of splenic volume change and transplanted liver function. Material and Methods: A total of 59 of 207 pediatric patients who had liver transplantation between 2013 and 2018 in our institute were evaluated. The relation of spleen volume changes (splenic volume to standard splenic volume ratio [SV/SSV]) were measured at 0, 1, 6, 12, 24, and 36 months of follow-up by constructing electronic three-dimensional structure of the spleen at dynamic computed tomography (CT), and the course of liver functions were evaluated. Results: The SV/SSV ratio decreases in the first postoperative 6 months. After 6 months, SV increases and SV/SSV increases gradually. In a normal functioning graft, SV/SSV significantly decreased in all time points (P < .001). In patients with adverse events, SV/SSV started to increase after 6 months. In patients with fulminant hepatic failure, SV/SSV started to increase after postoperative 6 months. Adverse events in patients with fulminant hepatic failure were more than the patients with chronic liver disease (58% vs 28%). There was an inverse correlation between SV/SSV and thrombocyte levels (P < .001). Conclusions: SV/SSV seems to be correlated to the adverse events (ie, rejection). Together with thrombocyte levels, it can be used as a noninvasive test for follow-up of transplant patients in terms of adverse events in graft function. © 2020 Elsevier Inc. |
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