• V T Yilmaz, A Kisaoglu, O Dandin, I Demiryilmaz, S Koksoy, B Aydinli, and H Kocak.
• Department of Internal Medicine, Division of Nephrology.
• Hippokratia. 2020 Oct 1; 24 (4): 182-190.

BackgroundWe aimed to evaluate the long-term results of the patients who had positive cross-match (XM) test results and underwent living donor renal transplantation after desensitization with different combinations of intravenous immunoglobulin (IVIG), plasmapheresis (PP), and rituximab.Material And MethodsForty-nine patients who were positive for complement-dependent cytotoxicity (CDC), flow cytometric (FC), and Luminex-XM test were included in the study. Renal transplantation was performed in 16 patients who had XM (-) test after desensitization with different combinations of IVIG (n =15), PP (n =13), and rituximab (n =10). Anti-human leukocyte antigens (HLA) antibodies (anti-HLA Abs) were detected by the Luminex single antigen bead assay. Anti-thymocyte globulin was used for induction, and tacrolimus, mycophenolic acid, and prednisolone were used for maintenance therapy. Also, we evaluated the relationship between different donor-specific anti-HLA Abs and the parameters mentioned above.ResultsAntibody-mediated rejection (AMR) and acute T cell-mediated rejection rates were 18.8 % and 6.3 %, respectively. Graft survival rates at the first, third, and fifth years post-transplantation were 93.8 %, 85.2 %, and 85.2 %, respectively, and the patients' survival rates were found to be 100 %. Serum creatinine level and glomerular filtration rate were 1.5 ± 1.2 mg/dl and 69.9 ± 30.4 ml/min, respectively. The mean follow-up time was 39 ± 24 months.ConclusionsOur study showed that kidney transplantation could be performed by effective desensitization in XM test positive patients. It was also shown that donor-specific anti-HLA DQ Ab and non-HLA Ab determination might be useful in diagnosing patients with positive cross-test and/or diagnosis of AMR. HIPPOKRATIA 2020, 24(4): 182-190.Copyright 2020, Hippokratio General Hospital of Thessaloniki.

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