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Nefrología (Madrid)

On-line version ISSN 1989-2284Print version ISSN 0211-6995


SINANGIL, Ayse et al. The incidence of new onset diabetes after transplantation and related factors: Single center experience. Nefrología (Madr.) [online]. 2017, vol.37, n.2, pp.181-188. ISSN 1989-2284.


New-onset diabetes after transplantation (NODAT) is a frequent metabolic complication and is considered a risk factor for patients undergoing renal transplant. The aim of this study was to evaluate the incidence and developing duration of new-onset diabetes after transplant (NODAT) and influencing factors.


All patients’ data was investigated retrospectively. Diabetics, follow-up period < 6 months, age < 18 years were excluded. Demographic, clinical and laboratory data was recorded. Patients were divided into two groups: with/without NODAT. NODAT group was divided into four subgroups according to the time of developing NODAT, which were 0-3, 3-6, 6-12 and 12 months later. Two groups were compared, to investigate the incidence of NODAT and risk factors associated with the occurrence of NODAT.


We retrospectively analyzed the records of 570 patients, of which 420 patients were included. Seventy (16.6%) patients had NODAT (36 female, mean age 51.7 ± 8.2 years, mean follow-up 41.6 ± 21.5 months), 52.8% of patients developed NODAT within the first three months of being diagnosed. 350 patients (116 female, mean age 43.2 ± 12.5 years, mean follow-up 41.6 ± 21.5 months) were without NODAT. The incidence of impaired fasting glucose (IFG) during the first week after transplant was found to be higher in the patients with NODAT (p < 0.001). There was positive correlation between NODAT and older age, obesity, family history of diabetes, presence of IFG, fasting plasma glucose, total and LDL-cholesterol, triglycerides, parathormone. Old age, obesity, presence of IFG, pretransplant hypertriglyceridemia and hyperparathyroidism were predictors of development of NODAT.


Incidence of NODAT, especially the first six months, was high. All patients should be screened for IFG within the first week. Patients with dyslipidemia, elderly and obese patients should be closely monitored for the risk of development of NODAT.

Keywords : PTDM; Renal transplantation; Impaired fasting glucose.

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