Journal of Musculoskeletal Trauma

Case Report

Progressive forearm instability after anatomical union of a radial head fracture: a case report of a challenging Essex-Lopresti injury: SeongJu Choi; Received April 6, 2026 Accepted May 26, 2026 Published online July 20, 2026; DOI: https://doi.org/10.12671/jmt.2026.00157 [Epub ahead of print]

Abstract PDF: Essex-Lopresti injuries remain challenging because anatomical restoration of bony structures does not always re-establish functional forearm stability. We report the case of a 51-year-old male patient who sustained an elbow dislocation, comminuted radial head and neck fracture, and distal radioulnar joint (DRUJ) dissociation after falling from a bicycle. He underwent open reduction and internal fixation of the radial head, interosseous membrane augmentation using a suture-button construct, and temporary DRUJ pinning. Immediate postoperative radiographs showed apparent restoration of radial length, and radiographic union of the radial head was achieved. However, ulnar-sided wrist pain initially improved but progressively recurred by 6 months, with increasing ulnar-positive variance and DRUJ widening. Elbow motion was preserved, but forearm rotation was limited, and computed tomography demonstrated heterotopic ossification around the radial head. Ulnar shortening osteotomy and radial head arthrolysis were performed as a second procedure, after which mechanical instability developed, with irreducible anterior dislocation of the radial head. A third operation, consisting of annular ligament reconstruction using a palmaris longus autograft, restored proximal radioulnar joint stability, although substantial limitation of forearm rotation persisted. This case highlights that even radiographic union and multistructural initial management may fail to restore balanced forearm mechanics in Essex-Lopresti injury. Level of evidence: V.

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Original Article

Epidemiological changes and surgical trends of distal radius fractures in adults over 50 years during the COVID-19 pandemic in Korea: a nationwide repeated cross-sectional study: Han-Kook Yoon, So Ra Yoon, Kee-Bum Hong, Youngsu Jung, SeongJu Choi, Jun-Ku Lee; J Musculoskelet Trauma 2026;39(1):12-19. Published online January 25, 2026; DOI: https://doi.org/10.12671/jmt.2025.00297

Abstract PDF Supplementary Material: Background
The COVID-19 pandemic is likely to have affected bone health in older adults in Korea. This study aimed to analyze changes in the epidemiology and management of distal radius fractures (DRFs) in older adults before and during the COVID-19 pandemic.
Methods
Patients with DRF aged over 50 years in 2017, 2018, 2020, and 2021 were included in this study. Patients were classified into a group with DRF occurring between 2017 and 2018 (before COVID-19) and a group with DRF occurring between 2020 and 2021 (during COVID-19). We calculated the incidence rates of DRF and compared them between the two groups. We also analyzed and compared demographic data (age, sex, income, residence) and the operation rate for DRF between the two groups. Patient selection and treatment were based on International Classification of Diseases, 10th revision codes.
Results
A total of 140,634 patients with DRF (before COVID-19, 69,794; during COVID-19, 70,840) were included. The incidence of DRF before COVID-19 (184.4/100,000 person-years) was higher than during COVID-19 (169.8/100,000 person-years). The operation rate was higher during COVID-19 (86.9%) than before COVID-19 (83.3%).
Conclusion
During the COVID-19 pandemic, the incidence of DRF decreased in South Korea. However, the rate of surgical treatment increased and exceeded the global surgical rate. Level of evidence: III.

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