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- Title
Comparison of DXA-based versus CT-based indices to predict prevalent fracture history in men with spinal cord injury.
- Authors
Matthews, Michael J.; Troy, Karen L.; Battaglino, Ricardo A.; Nguyen, Nguyen; Goldstein, Richard; Morse, Leslie R.
- Abstract
Summary: Fracture risk prediction remains challenging in adults with spinal cord injury. Here, we compare the ability of CT- and DXA-derived indices to discriminate between those with and without prevalent osteoporotic fracture. Novel CT-derived indices may offer improved assessment of fragility fracture risk as well as improved monitoring of response to therapies. Introduction: Individuals with spinal cord injury are particularly susceptible to osteoporosis. As advanced imaging techniques become more readily available clinically, there is limited information on the relative strength of various outcomes for fracture risk prediction. The purpose of this study was to compare the ability of DXA-based versus CT-based indices to predict prevalent fracture history in adults with spinal cord injury. Methods: Thirty-six men with known SCI underwent dual energy X-ray absorptiometry and computed tomography assessments of the lower extremities. We used age-adjusted area under the curve models to compare the predictive value for each bone parameter to identify prevalent fracture history. Results: CT-based indices outperformed DXA-based indices at all sites. The site with the highest AUC was the trabecular BMD at the proximal tibial epiphysis. Conclusions: CT imaging may have clinical utility to improve fracture risk prediction in adults with SCI. More work is needed to confirm these findings and to assess the value of CT-based indices to predict incident fracture, monitor longitudinal bone loss, and monitor response to various therapies, both pharmacological and rehabilitation.
- Subjects
SPINAL cord injuries
- Publication
Osteoporosis International, 2023, Vol 34, Issue 2, p319
- ISSN
0937-941X
- Publication type
Article
- DOI
10.1007/s00198-022-06575-9