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J Pediatr Endocrinol Metab. 2010 Dec;23(12):1311-20.

Risk factors for early onset of diabetic nephropathy in pediatric type 1 diabetes.

Author information

1
Medical School, Federal University of Minas Gerais (UFMG), Brazil.

Abstract

AIM:

Diabetic nephropathy (DN) is a frequent complication in patients with long-standing type 1 diabetes mellitus (DM1). The objective of this study was to assess the prevalence of DN in DM1 patients diagnosed during childhood and its association with clinical and metabolic variables, such as age at diagnosis of DM1, glucose control, dyslipidemia, hypertension and the occurrence of diabetic retinopathy (DR).

METHODS:

The medical records of 205 patients admitted to the Pediatric Endocrinology Division at the Hospital das Clinicas da Universidade Federal de Minas Gerais, in Belo Horizonte, Brazil, were analyzed. For the analysis of survival and prognostic factors, the Kaplan-Meyer method and the COX regression model were used.

RESULTS:

The mean disease duration was 11.32 +/- 4.02 years and the mean age at diagnosis was 6.10 +/- 3.54 years. Microalbuminuria was present in 11.2% of them, proteinuria in 6.8% and end-stage renal disease (ESRD) in 2.9%. There was a significant association between the occurrence of microalbuminuria or proteinuria and poor glucose control (p=0.025 and p=0.005, respectively), higher LDL cholesterol levels (p=0.006 and p=0.004, respectively) and age greater than 6 years at diagnosis (p=0.049 and p=0.05, respectively). Proteinuria was also associated to the occurrence of DR (p=0.016).

CONCLUSION:

Our data showed that the prevalence of DN was higher than expected in this young population studied, especially considering the most severe forms. Clinical and laboratory factors associated to ND were: poor long-term glucose control, higher levels of LDL-C, higher age at diagnosis and the occurrence of DR.

PMID:
21714465
[Indexed for MEDLINE]

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