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  • Title: [Bone mineral density in juvenile-onset diabetes mellitus].
    Author: Viña Simón E, Bueno Lozano G, Armadá Maresca MI, Ruibal Francisco JL, Fernández Pérez C, Lozano Tonkin C, Casado de Frías E.
    Journal: An Esp Pediatr; 2000 Jun; 52(6):507-15. PubMed ID: 11003958.
    Abstract:
    OBJECTIVE: To determine bone mineral density (BMD) at axial and appendicular sites in patients with type 1 diabetes mellitus and evaluate its relationship with metabolic control and disease duration. PATIENTS AND METHODS: BMD was measured by dual-energy X-ray absorptiometry (Hologic QDR-1000) in the lumbar spine (L1-L4) and at the distal third forearm in 246 healthy non-diabetic children and adolescents (111 boys, 135 girls, aged 2.8-20.8 years) and in 45 diabetic patients (18 boys, 27 girls, aged 5.2-19.4 years). The results were expressed as the mean and standard deviation. The differences were tested by analysis of variance or Students t-test, as appropriate. The relationship between BMD and the remaining variables was studied by simple Pearsons coefficient and partial correlation coefficient. Significance was defined as p < 0.05. RESULTS: BMD Increased progressively from infancy to adulthood In both populations. Lumbar spine and forearm BMD were significantly lower in diabetic patients than in the healthy non-diabetic children, mainly during pubertal spurt. The greatest differences were found in males and in the trabecular bone. No relationship was found between metabolic control (mean glycosylated hemoglobin, insulin requirement) and duration of diabetes and the BMD in any region studied (p > 0.05). CONCLUSIONS: Pediatric patients with type 1 diabetes mellitus appear to constitute a population at risk of osteoporosis in adult-hood. Diagnosis of osteopenia diagnosis should be established according to densitometric criteria. In this study, metabolic control parameters and duration of diabetes did not enable predetermination of diabetic patients at risk of osteoporosis in adulthood.
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