期刊
DIABETIC MEDICINE
卷 28, 期 7, 页码 872-875出版社
WILEY-BLACKWELL
DOI: 10.1111/j.1464-5491.2011.03286.x
关键词
bone mineral density; fracture; HbA(1c); Type 1 diabetes
资金
- Merck Pharma GmbH, Germany
Aim There are conflicting data regarding the risk of osteoporosis in patients with Type 1 diabetes. We investigated an association between diabetes, bone mineral density and prevalent fractures. Methods A single-centre, cross-sectional study of men and pre-menopausal women with Type 1 diabetes (n = 128) and a matched control group (n = 77) was conducted. The primary outcome measure was bone mineral density and secondary measures were markers of bone metabolism and prevalent fractures. Results Hip and total body bone mineral densities were significantly lower in women with diabetes compared with control subjects. In men, no difference in bone mineral density was found. A multivariate regression analysis in women with diabetes revealed higher BMI as the strongest predictor of higher total hip, femoral neck and total body bone mineral density, whereas previous fractures were inversely associated with total hip bone mineral density and C-terminal telopeptide of type I collagen with total body bone mineral density. Poor long-term glycaemic control was not associated with low bone mineral density. Fracture frequency was higher in patients with diabetes compared with control subjects (1.64 vs. 0.62 per 100 patient-years; P < 0.05). In a multivariable model, long-term HbA(1c) control was associated with increased clinical fracture prevalence (OR 1.92; 95% CI 1.09-2.75) in those with diabetes. Conclusions Type 1 diabetes contributes to low bone mineral density in women. Previous fractures and low BMI were strong predictors of impaired bone mineral density and should therefore be considered in risk estimation. Fractures are more frequent in Type 1 diabetes. Long-term hyperglycaemia may account for impaired bone strength, independently from bone mineral density.
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