SynthesisOsteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA2026
Beyond the initial impact: a systematic review of post-traumatic bone loss and its mechanisms.
Synthesis in Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Mechanical Unloading Inhibits Osteoblast Differentiation via Downregulation of OGT-Mediated O-GlcNAcylation.Current issues in molecular biology · 2026Article
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Abstract
Post-traumatic bone loss occurs after major injuries like traumatic brain injury (TBI), spinal cord injury (SCI), burns, and fractures, yet its systemic effects remain underexplored. This review summarizes clinical and preclinical evidence, highlighting key mechanisms and their impact on fracture risk.
introductionTraumatic injuries can lead to systemic bone loss. While spinal cord injury (SCI)-related bone loss is well studied, the effects of TBI, burns, and fractures on bone metabolism remain less clear. This review examines post-traumatic bone loss across different injuries to guide future research, preventive, and treatment strategies.
methodsWe conducted a systematic review according to PRISMA guidelines. PubMed, Web of Science, Scopus, and Science Direct were searched up to January 2025 using MeSH terms and keyword combinations related to traumatic injuries and bone loss. Studies were screened based on pre-defined inclusion and exclusion criteria, and relevant clinical and preclinical data were extracted and synthesized.
resultsThe review included a total of 165 studies, including 5 clinical and 9 preclinical TBI studies, 73 clinical and 39 preclinical SCI studies, 16 clinical and 6 preclinical burn studies, and 10 clinical and 45 preclinical fracture studies. SCI can cause up to 50% BMD reduction within weeks, while burns lead to up to 8% BMD loss within two months, with osteoporosis affecting 10 to 50% of patients. TBI is linked to increased osteopenia and osteoporosis, and fractures result in BMD changes of 5 to 28% in the injured limb, along with a higher risk of subsequent fractures on either side. Preclinical studies confirmed impaired bone quality, increased resorption, and decreased formation across injury types. The potential mechanisms contributing to post-traumatic bone loss include mechanical unloading with increased sclerostin signaling, systemic inflammation driving osteoclastogenesis, nervous system dysregulation changing neuroosteogenic interaction, nutritional and metabolic imbalances, and hormonal disturbances involving parathyroid hormone, growth hormone, and cortisol.
conclusionPost-traumatic bone loss presents a distinct etiology, resulting from an interaction of mechanical, inflammatory, neural, nutritional, and hormonal factors. Recognizing these mechanisms is essential for developing targeted interventions to prevent bone deterioration, reduce fracture risk, and improve long-term patient outcomes after trauma.
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