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Medical Science Monitor Basic Research


eISSN: 2329-0358

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Kidney Function After Liver Transplantation in a Single Center

Grzegorz Niewiński, Wiktor Smyk, Agata Graczyńska, Konrad Kostrzewa, Joanna Raszeja-Wyszomirska, Urszula Ołdakowska-Jedynak, Jolanta Małyszko, Maciej Wójcicki, Krzysztof Zieniewicz

(II Department of Anesthesiology and Intensive Care, Medical University of Warsaw, Warsaw, Poland)

Ann Transplant 2021; 26:e926928

DOI: 10.12659/AOT.926928

BACKGROUND: Renal dysfunction in the peri-transplant period appears to complicate both short- and long-term outcome of liver transplantation (LT). The aim of this study was to analyze the impact of selected clinical features in the peri-liver transplant period, as well calcineurin inhibitor, particularly tacrolimus given after LT, on kidney function in a single liver transplant center’s experience.
MATERIAL AND METHODS: A total 125 consecutive liver-grafted individuals (82 M, 43 F), mean age 50±13 y (with alcohol-related liver disease in 48 (38%) patients) were included into the study. Their clinical data were collected in the database until 46 months of follow-up, and the Python packages Pandas (version 0.22.0) and scikit-learn (version 0.21.3) were used for data analysis.
RESULTS: More advanced liver disease as judged by Child-Pugh class and MELD score differed significantly patients with preserved (serum creatinine SCr <1.5 mg/dL) and impaired (SCr ≥1.5 mg/dL) kidney function before LT. Older age and higher SCr pre-LT were associated with higher levels of SCr after LT in 2 time-points. SCr before LT was correlated with delta SCr for the highest and last recorded value (P<0.0001). Higher amounts of transfused colloids during surgery were associated with increased delta SCr for the highest value (P=0.019) after grafting in logistic regression analysis. There were no associations between SCr after LT and duration of anhepatic phase, urine output ≤100 mL/h, or post-reperfusion syndrome during transplantation (all P>0.05). There were no associations between SCr after LT and tacrolimus trough levels in analyses of correlations and linear regression analyses (all P>0.05).
CONCLUSIONS: We found that pretransplant serum creatinine was the only factor affecting kidney function after LT in our liver transplant center. The restricted fluid policy was safe and effective in terms of long-term renal function. The role of kidney-saving immunosuppressive protocols in preserving renal function long-term after LT was also confirmed.

Keywords: Creatine, Liver Transplantation, Renal Insufficiency, Chronic

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