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Related Concept Videos

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Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
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All bones comprise an outer layer of compact bone, and an interior made up of spongy bone tissue, also called cancellous or trabecular bone. In long bones, spongy bone tissue is mainly found in the interior of the epiphyses (broad ends of the bone).
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Adjusting fracture probability by trabecular bone score.

Eugene V McCloskey1, Anders Odén, Nicholas C Harvey

  • 1Centre for Metabolic Bone Diseases, University of Sheffield Medical School, University of Sheffield, Beech Hill Road, Sheffield, S10 2RX, UK.

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Summary

Trabecular bone score (TBS) improves fracture risk prediction beyond FRAX. This study shows TBS independently predicts osteoporotic fractures and death in women, enhancing risk assessment.

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Area of Science:

  • Osteoporosis Research
  • Medical Imaging Analysis
  • Epidemiology

Background:

  • Osteoporotic fractures pose a significant health burden.
  • Current fracture risk prediction tools, like FRAX, have limitations.
  • Lumbar spine bone texture may offer additional predictive information.

Purpose of the Study:

  • To assess the impact of trabecular bone score (TBS) on fracture probability.
  • To determine if TBS improves risk prediction beyond established FRAX clinical risk factors.
  • To develop an algorithm adjusting fracture probability using TBS.

Main Methods:

  • Retrospective cohort study of 33,352 women (aged 40-99).
  • Baseline measurements included lumbar spine TBS and FRAX variables.
  • Poisson regression models analyzed associations between TBS, FRAX factors, and fracture/death risk.

Main Results:

  • TBS was a significant independent predictor of major osteoporotic fractures (excluding hip), death, and hip fracture.
  • TBS improved fracture probability prediction beyond FRAX clinical risk factors.
  • Models were derived to adjust fracture probability considering TBS and mortality.

Conclusions:

  • Lumbar spine texture analysis using TBS is a valuable risk factor for osteoporotic fractures and mortality.
  • TBS provides predictive information independent of FRAX and femoral neck bone mineral density.
  • Further validation of TBS-adjusted fracture probability in independent cohorts is required.