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First-stage scapholunate fusion for the treatment of a chronic lunate dislocation: A case report

RATIONALE: Lunate dislocation is a rare injury to the wrist caused by high-energy trauma, and poor prognosis is often associated with missed initial diagnosis. To date, there is no consensus regarding an effective treatment plan for such cases. PATIENT CONCERNS: Here, we describe the case of a 36-ye...

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Detalles Bibliográficos
Autores principales: Huang, Chao, You, Di, Guo, Wenlai, Qu, Wenrui, Hu, Yuchen, Li, Rui, Zhu, Zhe
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Wolters Kluwer Health 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6641798/
https://www.ncbi.nlm.nih.gov/pubmed/31305477
http://dx.doi.org/10.1097/MD.0000000000016453
Descripción
Sumario:RATIONALE: Lunate dislocation is a rare injury to the wrist caused by high-energy trauma, and poor prognosis is often associated with missed initial diagnosis. To date, there is no consensus regarding an effective treatment plan for such cases. PATIENT CONCERNS: Here, we describe the case of a 36-year-old man who presented with lunate dislocation following a delay in diagnosis of over 7 weeks, and further illuminate its diagnosis and treatment. DIAGNOSIS: The diagnosis of chronic lunate dislocation was rendered. INTERVENTIONS: The patient was treated using reduction via the dorsal approach brachial plexus anesthesia. After the reduction, a headless compression screw fixation was performed for first-stage scapholunate fusion, and Kirschner wire fixation of the lunate-triquetrum-hamate was used to stabilize the distal and proximal carpal rows. OUTCOMES: The patient was followed up for 1 year and showed wrist function recovered well; radiographic examination showed no lunate dislocation and successful scapholunate bony fusion. A satisfactory outcome was achieved. LESSONS: The case study presented here provide evidence that performing an effective first-stage scapholunate fusion is recommended to achieve better therapeutic outcomes for a chronic lunate dislocation. Furthermore, this approach led to a good long-term clinical outcome in our case.