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Journal Articles Joint Bone Spine Year : 2015

Trabecular Bone Score: Where are we now?

Sauveur Bendavid
  • Function : Author
Hubert Blain
  • Function : Author
  • PersonId : 757231
  • IdRef : 060603666
Patrice Fardellone
Agnès Linglart

Abstract

The Trabecular Bone Score is a rather new index obtained at the lumbar spine at the same time as a real bone mineral density. It was developed to reflect bone microarchitecture. It was proposed to be easily used in everyday practice as a surrogate of bone strength. Our aim was to review 1. technical points such as correlations between Trabecular Bone Score and bone microarchitectural parameters, Trabecular Bone Score and bone strength, the effects of dual-energy X-ray absorptiometry image spatial resolution, age, macroarchitecture, body mass index, and osteoarthritis, on Trabecular Bone Score, and 2. evidences to use Trabecular Bone Score for separating individuals with fragility fractures from controls, predicting fragility fractures, and for longitudinally monitoring changes related to treatments. Correlations between Trabecular Bone Score and bone microarchitectural parameters vary widely across bone sites, microarchitectural parameters, and study designs. In vivo, the Trabecular Bone Score explains little of the variance in trabecular microarchitectural parameters. We emphasize that it is a texture parameter. The Trabecular Bone Score is reduced in patients with fragility fracture. Several retrospective and prospective studies have shown its discriminative ability regarding the fracture risk. When combining the areal Bone mineral Density and Trabecular Bone Score, the Trabecular Bone Score remains a predictor of fracture but not the areal Bone Mineral Density. However in prospective studies, the best predictor of fracture remains hip areal bone mineral density. Due to the lack of evidence, we recommend not to use Trabecular Bone Score for following patients treated by anti-osteoporotic drugs.
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Dates and versions

hal-02190441 , version 1 (22-07-2019)

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Valérie Bousson, Catherine Bergot, Bruno Sutter, Thierry Thomas, Sauveur Bendavid, et al.. Trabecular Bone Score: Where are we now?. Joint Bone Spine, 2015, 82 (5), pp.320-325. ⟨10.1016/j.jbspin.2015.02.005⟩. ⟨hal-02190441⟩
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