Assessment of Bone Mass and Fracture Risk Using Trabecular Bone Score in Children with Autoimmune Gastrointestinal Diseases
Abstract
Background/Objectives: Children with autoimmune gastrointestinal diseases are at increased risk of impaired bone health due to chronic inflammation, nutritional deficiencies, growth disturbances, and treatment-related factors. While dual-energy X-ray absorptiometry (DXA) is the standard method for assessing bone mineral density (BMD), it provides limited information on bone microarchitecture. The trabecular bone score (TBS), derived from lumbar spine DXA images, has emerged as a complementary marker of bone quality. This study aimed to evaluate bone mass and TBS in children with autoimmune gastrointestinal diseases and to assess the clinical utility of TBS in comparison with children with a history of fractures and healthy controls. Methods: This study included 152 children aged 5-18 years: 45 with autoimmune gastrointestinal diseases (Crohn's disease, ulcerative colitis, or celiac disease), 37 with a history of fractures, and 70 healthy controls. Anthropometric measurements, serum 25-hydroxyvitamin D [25(OH)D] concentrations, DXA-derived parameters, and TBS values were analyzed. Bone mineral density was assessed at the lumbar spine and total body less head (TBLH), with additional adjustment for height-for-age Z-score (HAZ). TBS values were expressed as sex- and pubertal stage-adjusted Z-scores. Results: Low bone mass (aBMDfor age Z-score ≤ -2) was observed in 30.3% of participants at TBLH and 11.1% at the lumbar spine, whereas a TBS Z-score ≤ -2 was identified in 5.2% of…
How strong is the evidence?
Evidence Hub reads this as a case-control, done in people. Its evidence level is 4 of 5 (Low · observational). Observational designs can show an association but not prove cause. Reported size: 152 participants or records.
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