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Year : 2018  |  Volume : 22  |  Issue : 5  |  Page : 610-615

An observational prospective study to evaluate the preoperative risk factors of new-onset diabetes mellitus after renal transplantation in a tertiary care centre in Eastern India

1 Department of Nephrology, Rabindranath Tagore International Institute of Cardiac Sciences, EM Bypass, Kolkata, West Bengal, India
2 Department of Endocrinology, KPC Medical College, Jadavpur, Kolkata, West Bengal, India
3 JJT University, Rajasthan, India

Correspondence Address:
Debmalya Sanyal
36 Block H New Alipore Kolkata, West Bengal - 700 053
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijem.IJEM_121_18

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Objectives: This study aimed to determine the pre-transplant risk factors as independent predictors on the new-onset of diabetes mellitus after renal transplants (NODATs). Materials and Methods: A single-centred prospective real-world observational study of 100 subjects who underwent renal transplantation over a period of 2 years. All known patients with diabetes were excluded from the study. NODAT was defined according to the American Diabetes Association definition. In addition to pre-transplant workup 2 days prior to transplant, post-transplant follow-up done on weekly basis for 1st month, every 15th day from 1st month to 3rd month, monthly from 3rd month to 12th month. Each transplant patient followed up for 1 year post-transplant or for 6 months post-development of NODAT, whichever was later. All the pre-transplant variables namely body mass index (BMI), family history of diabetes mellitus (DM), HbA1c, fasting insulin level, fasting c-peptide level, serology for hepatitis B, C, serum magnesium level and pre-operative insulin ressistance were further compared between NODAT and non-NODAT groups at the end of the study to assess their strength of associations. Results: Among the 100 subjects included in the study, 24 developed NODAT. Risk factors namely age, family history of DM, BMI, hepatitis B and C infection, total cholesterol, triglyceride level, pre-operative HbA1c, pre-operative insulin resistance and pre-diabetes were significantly higher, whereas beta-cell function, ABO compatibility and magnesium levels being significantly lower in NODAT cohort. Conclusion: The incidence of NODAT is quite high (24%). Risk of development of NODAT was related to traditional as well as novel risk factors. Key aspects lies in identifying patients at risk of developing NODAT, using traditional risk factors for early diagnosis and introducing interventions on modifiable risk factors for prevention and timely intervention.

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