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1.
Transplant Proc ; 52(10): 3044-3050, 2020 Dec.
Article in English | MEDLINE | ID: mdl-32571706

ABSTRACT

INTRODUCTION: Despite great improvements in the short-term patient and kidney graft survival, the long-term morbidity and mortality in kidney transplant recipients still remains a significant problem. The aim of the study was to evaluate the impact of both donor and transplant recipient factors, as well as renal function indices on the very long-term (>25 years) kidney allograft survival. MATERIAL AND METHODS: Retrospective analysis was performed on the data of 41 kidney transplant recipients (KTR), group A: follow-up = 25 years, 20 KTR, 10 male, mean age (mean [M] ± standard deviation [SD]): 34.6 ± 12.6 years, 14 living donors (LD), 6 cadaveric donors (CD); group B: follow-up > 25 years, 21 KTR, 16 male, mean age (M ± SD): 30.86 ± 12.37 years, 14 LD, 7 CD). Kidney graft origin, post-kidney transplantation diabetes mellitus, HLA compatibility, delayed graft function, and acute rejection episodes were also analyzed retrospectively. Statistical analysis with Mann-Whitney test and Kaplan-Meier survival analysis was performed (SPSS 20.0 for Windows). RESULTS: The mean age of CDs was lower than that of LDs: CD mean age (M ± SD): 23.84 ± 16.26 years vs LD mean age: 52.75 ± 12.42 years (P < .001). Cadaveric kidney graft was associated with better renal allograft function 10, 15, and 25 years post kidney transplant. None of the other factors analyzed reached statistical significance between the 2 groups. CONCLUSION: The age of the donor and the kidney graft origin are important co-factors of the very long-term kidney allograft survival.


Subject(s)
Kidney Transplantation/mortality , Survivors/statistics & numerical data , Tissue Donors/statistics & numerical data , Adult , Aged , Allografts , Cross-Sectional Studies , Female , Graft Survival , Humans , Kaplan-Meier Estimate , Male , Middle Aged , Retrospective Studies
2.
Transplant Proc ; 50(10): 3386-3391, 2018 Dec.
Article in English | MEDLINE | ID: mdl-30577210

ABSTRACT

INTRODUCTION: New-onset diabetes after transplantation (NODAT) is a complication of renal transplantation (RT) with an adverse effect on graft survival. OBJECTIVES: The purpose of the present study was to compare modifiable or non-modifiable clinical and laboratory parameters as well as the course of patients and transplants between 2 groups of RT recipients with NODAT in relation to the use of either a cyclosporine-based (group A) or a tacrolimus-based immunosuppressive regimen (group B). MATERIALS AND METHODS: Retrospectively comparing 66 renal transplant recipients with NODAT, multiple clinical, and laboratory parameters were investigated. For statistical analysis, the χ2 test, the Student t test, and the patient and graft survival or the Kaplan-Meier analysis from the statistical software SPSS 22.0 for Windows were used. RESULTS: There was no statistically significant difference in association with the majority of the investigated parameters. In group B (tacrolimus [Tac]), more patients had HbA1c >7.2% at 3 years after RT. The mean value of systolic blood pressure was higher in group A (cyclosporine [CsA]) at 6 months and at 1 year after RT. More patients in group A (CsA) experienced at least one acute rejection episode. Finally, greater levels of cold ischemia time were recorded in group B (Tac) and statistically significant difference was found in connection with the patient and graft survival in the fourth year after RT. CONCLUSIONS: NODAT in patients on tacrolimus requires the adjustment of modifiable clinical and metabolic parameters and possible change of the immunosuppressive regimen to a cyclosporine-based one.


Subject(s)
Cyclosporine/adverse effects , Diabetes Mellitus/immunology , Immunosuppressive Agents/adverse effects , Kidney Transplantation , Tacrolimus/adverse effects , Adult , Female , Graft Rejection/prevention & control , Graft Survival , Humans , Immunocompromised Host , Immunosuppression Therapy/adverse effects , Immunosuppression Therapy/methods , Kidney Transplantation/adverse effects , Male , Middle Aged , Retrospective Studies , Transplant Recipients
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