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Similarities in trabecular hypertrophy with site-specific differences in cortical morphology between men and women with type 2 diabetes mellitus.

Similarities in trabecular hypertrophy with site-specific differences in cortical morphology between men and women with type 2 diabetes mellitus.
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Patsch JM, Rasul S, Huber FA, Leitner K, Thomas A, Kocijan R, Boutroy S, Weber M, Resch H, Kainberger F, Schüller-Weidekamm C, Kautzky-Willer A,


Patsch JM, Rasul S, Huber FA, Leitner K, Thomas A, Kocijan R, Boutroy S, Weber M, Resch H, Kainberger F, Schüller-Weidekamm C, Kautzky-Willer A, (click to view)

Patsch JM, Rasul S, Huber FA, Leitner K, Thomas A, Kocijan R, Boutroy S, Weber M, Resch H, Kainberger F, Schüller-Weidekamm C, Kautzky-Willer A,

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PloS one 2017 04 0612(4) e0174664 doi 10.1371/journal.pone.0174664
Abstract

The goal of our study was to investigate interactions between sex and type 2 diabetes mellitus (T2DM) with regard to morphology of the peripheral skeleton. We recruited 85 subjects (mean age, 57±11.4 years): women with and without T2DM (n = 17; n = 16); and men with and without T2DM (n = 26; n = 26). All patients underwent high-resolution, peripheral, quantitative, computed tomography (HR-pQCT) imaging of the ultradistal radius (UR) and tibia (UT). Local bone geometry, bone mineral density (BMD), and bone microarchitecture were obtained by quantitative analysis of HR-pQCT images. To reduce the amount of data and avoid multi-collinearity, we performed a factor-analysis of HR-pQCT parameters. Based on factor weight, trabecular BMD, trabecular number, cortical thickness, cortical BMD, and total area were chosen for post-hoc analyses. At the radius and tibia, diabetic men and women exhibited trabecular hypertrophy, with a significant positive main effect of T2DM on trabecular number. At the radius, cortical thickness was higher in diabetic subjects (+20.1%, p = 0.003). Interestingly, there was a statistical trend that suggested attenuation of tibial cortical hypertrophy in diabetic men (cortical thickness, pinteraction = 0.052). Moreover, we found an expected sexual dichotomy, with higher trabecular BMD, Tb.N, cortical BMD, Ct.Th, and total area in men than in women (p≤ 0.003) at both measurement sites. Our results suggest that skeletal hypertrophy associated with T2DM is present in men and women, but appears attenuated at the tibial cortex in men.

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