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Aim.To analyze the modes of immunosuppressive therapy as a risk factor for new-onset diabetes after transplantation (NODAT) in kidney recipients. Materials and methods.The retrospective analysis included data from 1367 recipients (755 men and 612 women) who lived more than one year after NODAT and were observed at the Moscow City Nephrology Center from January 1989 to December 2018. NODAT was established for 178 (13%) patients based on criteria from the World Health Organization and the American Diabetes Association. The modes of immunosuppressive therapy using cyclosporin A (CSA), tacrolimus (Tac), mTOR inhibitors, glucocorticoids in patients with NODAT and without NODAT were evaluated. To assess the impact of risk factors, descriptive statistics methods were used, the odds ratio (OR) and the 95% confidence interval (CI) were calculated. Results.NODAT was diagnosed in 105 men and 73 women. The OR for men was 1.19 (95% CI 0.871.64), the OR for women was 0.84 (95% CI 0.611.15). At the time of transplantation, the average age of the kidney recipients in the NODAT group was higher than in the group without NODAT: 51 [43; 57] and 43 [32; 52] years, respectively (p=0.0001). Most patients with NODAT (82%) were older than 50 years, while in the group without NODAT, the proportion of patients of the same age was 48.5% (p=0.0001). Among patients without NODAT, transplantation of a kidney from a living donor was significantly more often compared with the group with NODAT+ (7.1% vs 1.1%;p=0.001). Among the recipients who received the regimen with CSA, diabetes developed in 75 (42.1%), those who received Tac in 102 (57.3%;p0.05). The chance (risk of development) of NODAT in patients receiving i-mTOR + Tac was 3.2 (95% CI 1.476.78;p=0.032), and for patients receiving i-mTOR + cyclosporin A, the chance of development NODAT was 1.95 (95% CI 0.884.35;p=0.044). Conclusion.13% of recipients developed de novo kidney diabetes after allograft. Age at the time of allotransplantation, gender, as well as the use of tacrolimus in combination with i-mTOR are the most significant risk factors for the development of NODAT.

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