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Updated: Mar 8, 2026

Minimally Invasive Treatment for Thoracolumbar Burst Fracture Using Sagittal Alignment Screws and A Trauma Reduction Device
Published on: November 8, 2024
Low-trauma fractures without osteoporosis.
E Lespessailles1,2, B Cortet3,4, E Legrand5
1Laboratoire I3MTO, Université d'Orléans, 4708, 45067, Orléans, EA, France. eric.lespessailles@chr-orleans.fr.
Many fragility fractures occur in patients with normal or low bone density, not meeting osteoporosis criteria. The study suggests treating these patients if they have experienced a major fracture, even with a T-score above -2.5.
Area of Science:
- Bone health and osteoporosis research
- Clinical diagnostics and fracture risk assessment
- Pharmacological interventions for bone diseases
Background:
- Areal bone mineral density (aBMD) via dual-energy X-ray absorptiometry (DXA) is standard for assessing bone status.
- The World Health Organization (WHO) defines osteoporosis using a T-score of less than -2.5, but many fractures occur in individuals without this diagnosis.
- Certain medical conditions and medications can increase fracture risk even with normal or low aBMD.
Purpose of the Study:
- To evaluate the diagnostic challenges in identifying patients at risk for fragility fractures.
- To assess the efficacy of osteoporosis treatments in patients with subnormal or normal aBMD and a history of fragility fractures.
- To provide recommendations for managing patients with fragility fractures who do not meet DXA-based osteoporosis criteria.
Main Methods:
- Review of clinical practice guidelines and diagnostic criteria for osteoporosis.
- Analysis of epidemiological data regarding fracture incidence and bone mineral density.
- Examination of post hoc data from clinical trials on osteoporosis pharmacotherapy in patients with varying T-scores.
Main Results:
- A significant proportion of low-trauma fractures occur in individuals with aBMD T-scores above -2.5.
- Pharmacological treatments for osteoporosis have demonstrated efficacy in patients with fragility fractures, even in those with T-scores greater than -2.
- Patients with a history of major fragility fractures, particularly vertebral or hip fractures, show positive treatment responses.
Conclusions:
- Current DXA-based criteria may underestimate fracture risk in certain patient populations.
- Treatment for osteoporosis should be considered for patients with major fragility fractures, irrespective of whether they meet the strict T-score cutoff of -2.5.
- Further research is needed to refine diagnostic and treatment strategies for fragility fractures in individuals with non-osteoporotic bone density measurements.
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