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  • Title: The effect of metabolic and hormonal parameters on microalbuminuria in adolescents with type 1 diabetes mellitus.
    Author: Jesić M, Jesić M, Sajić S, Bogićević D, Buljugić S, Maglajlić S.
    Journal: Srp Arh Celok Lek; 2013; 141(5-6):315-9. PubMed ID: 23858799.
    Abstract:
    INTRODUCTION: The prevalence of microalbuminuria (MA), the most important early marker of incipient nephropathy in patients with type 1 diabetes mellitus (T1DM), increases during puberty, the period of exaggerated physiological insulin resistance. OBJECTIVE: To assess the prevalence of MA and the relationship between MA and metabolic risk factors and pubertal hormones in adolescents with T1DM. METHODS: In a cross-section study involving a group of 100 adolescents of both sexes of mean age 14.90+/-2.18 years and with mean duration ofT1DM 5.99+/-73.64 years, we assessed the presence of MA. In all patients, we determined albumin-to-creatinine ratio (ACR) in two or three morning first-void urine samples in the period up to 6 months. Persistent MA was confirmed in the patients with the finding of ACR rating 2.5-25 mg/mmol in males and 3.5-25 mg/mmol in females in two out of three first morning urine samples. RESULTS: MA developed in 16 (16.0%) patients. Predictors of MA determined by using multiple logistic regression were high HbA1c (OR 4.6; 95% CI 2.1-10.0), higher night-time SBP (OR 1.9; 95% CI 0.8-1.3) and higher insulin dose (OR 62.6; 95% CI 2.3-1678.5). Markers of insulin resistance such as higher body mass index (BMI) which was statistically significantly related to MA (p= 0.241, p<0.05) and higher dehydroepiandrosterone sulfate (DHEA-S) which was significantly higher in patients with MA (7.82 micromol/L vs. 5.02 micromol/L, p<0.01), were also identified as predictors but did not remain significant by multivariate analysis, possibly because of a small sample of subjects with persistent MA. CONCLUSION: In addition to poor glycemic control and higher night-time systolic blood pressure, markers of insulin resistance (higher insulin dose, higher BMI and higher DHEA-S) contribute to the increased risk of MA.
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