ArticleJournal of orthopaedic research : official publication of the Orthopaedic Research Society2026
A Novel Dual-Energy X-Ray Absorptiometry Protocol for the Proximal Humerus Reveals a Fatty Infiltration Dependent Reduction in Bone Mineral Density.
Article in Journal of orthopaedic research : official publication of the Orthopaedic Research Society, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Localized reduction in bone mineral density (BMD) within the proximal humerus may compromise anchor fixation strength and tendon-to-bone healing after rotator cuff repair; however, standardized dual-energy X-ray absorptiometry (DXA) protocols and diagnostic thresholds are lacking. This study aimed to develop a reproducible proximal humerus DXA protocol, evaluate regional BMD differences between affected and contralateral shoulders, and investigate the relationship between fatty infiltration and regional bone loss. A retrospective analysis was performed on 224 patients who underwent unilateral arthroscopic rotator cuff repair with preoperative bilateral shoulder DXA scans. The proximal humerus was divided into five anatomically defined regions of interest (R
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