Diabetes Care 31:1729-1735, 2008 DOI: 10.2337/dc07-2426 © 2008 by the American Diabetes Association
Young Women With Type 1 Diabetes Have Lower Bone Mineral Density That Persists Over Time
1 Department of Pediatrics, University at Buffalo, School of Medicine and Biomedical Sciences, Buffalo, New York Corresponding author: Lucy D. Mastrandrea, ldm{at}buffalo.edu OBJECTIVE—Individuals with type 1 diabetes have decreased bone mineral density (BMD), yet the natural history and pathogenesis of osteopenia are unclear. We have previously shown that women with type 1 diabetes (aged 13–35 years) have lower BMD than community age-matched nondiabetic control subjects. We here report 2-year follow-up BMD data in this cohort to determine the natural history of BMD in young women with and without diabetes. RESEARCH DESIGN AND METHODS—BMD was measured by dual-energy X-ray absorptiometry at baseline and 2 years later in 63 women with type 1 diabetes and in 85 age-matched community control subjects. A1C, IGF-1, IGF binding protein-3, serum osteocalcin, and urine N-teleopeptide were measured at follow-up.
RESULTS—After adjusting for age, BMI, and oral contraceptive use, BMD at year 2 continued to be lower in women
CONCLUSIONS—This study confirms our previous findings that young women with type 1 diabetes have lower BMD than control subjects and that these differences persist over time, particularly in women
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