The Journal of pediatrics · 2015
Reduced Bone Mineral Density Is Associated with Celiac Disease Autoimmunity in Children with Type 1 Diabetes.
СтатьяНаблюдательное исследованиеПоддержка NIH: внешняя программаНазвание и аннотация: Перевод пока не подготовлен
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Simmons Kimber M, McFann Kim, Taki Iman, Liu Edwin, Klingensmith Georgeanna J, Rewers Marian J, Frohnert Brigitte I
Аннотация
OBJECTIVE: To evaluate the association between bone mineral density (BMD), glycemic control (hemoglobin A1c [HbA1c]), and celiac autoimmunity in children with type 1 diabetes mellitus (T1D) and in an appropriate control population.
STUDY DESIGN: BMD was assessed cross-sectionally in 252 children with T1D (123 positive for anti-tissue transglutaminase antibody [tTGA] and 129 matched children who were negative for tTGA). In addition, BMD was assessed in 141 children without diabetes who carried T1D-associated HLD-DR, DQ genotypes (71 positive for tTGA and 70 negative).
RESULTS: Children with T1D who were positive for tTGA had significantly worse BMD L1-L4 z-score compared with children with T1D who were negative for tTGA (-0.45 ± 1.22 vs 0.09 ± 1.10, P = .0003). No differences in growth measures, urine N-telopeptides, 25-hydroxyvitamin D, ferritin, thyroid stimulating hormone, or HbA1c were found. However, both higher HbA1c (β = -1.25 ± 0.85, P = .0016) and tTGA (β = -0.13 ± 0.05, P = .0056) were significant and independent predictors of lower BMD in multivariate analyses. No differences in BMD or other variables measured were found between children without diabetes who were positive vs negative for tTGA.
CONCLUSIONS: The results suggest a synergistic effect of hyperglycemia and celiac autoimmunity on low BMD.
STUDY DESIGN: BMD was assessed cross-sectionally in 252 children with T1D (123 positive for anti-tissue transglutaminase antibody [tTGA] and 129 matched children who were negative for tTGA). In addition, BMD was assessed in 141 children without diabetes who carried T1D-associated HLD-DR, DQ genotypes (71 positive for tTGA and 70 negative).
RESULTS: Children with T1D who were positive for tTGA had significantly worse BMD L1-L4 z-score compared with children with T1D who were negative for tTGA (-0.45 ± 1.22 vs 0.09 ± 1.10, P = .0003). No differences in growth measures, urine N-telopeptides, 25-hydroxyvitamin D, ferritin, thyroid stimulating hormone, or HbA1c were found. However, both higher HbA1c (β = -1.25 ± 0.85, P = .0016) and tTGA (β = -0.13 ± 0.05, P = .0056) were significant and independent predictors of lower BMD in multivariate analyses. No differences in BMD or other variables measured were found between children without diabetes who were positive vs negative for tTGA.
CONCLUSIONS: The results suggest a synergistic effect of hyperglycemia and celiac autoimmunity on low BMD.