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Tuyển tập các báo cáo nghiên cứu về hóa học được đăng trên tạp chí sinh học quốc tế đề tài : Isolated thumb carpometacarpal joint dislocation: a case report and review of the literature | Fotiadis et al. Journal of Orthopaedic Surgery and Research 2010 5 16 http www.josr-online.eom content 5 1 16 JOURNAL OF ORTHOPAEDIC SURGERY AND RESEARCH CASE REPORT Open Access Isolated thumb carpometacarpal joint dislocation a case report and review of the literature Elias Fotiadis1 Theodoros Svarnas1 Christos Lyrtzis1 Alexis Papadopoulos1 Panagiotis Akritopoulos2 Byron Chalidis3 Abstract Background Isolated thumb carpometacarpal dislocation is a rare injury pattern and the optimal treatment option is still controversial. Case Description We present a 27-year-old basketball player who underwent an isolated dorsal dislocation of the thumb carpometacarpal joint after a fall. The dislocation was successfully reduced by closed means but the joint was found to be grossly unstable. Due to inherent instability repair of the ruptured dorsoradial ligament and joint capsule was performed. The ligament was detached from its proximal insertion into trapezium and subsequently stabilized via suture anchors. The torn capsule was repaired in an end-to-end fashion and immobilization of the joint was applied for 6 weeks. Results At 3-year follow up evaluation the patient was pain free and returned to his previous level of activity. No restriction of carpometacrpal movements or residual instability was noticed. Radiographic examination showed normal joint alignment and no signs of subluxation or early osteoarthritis. Conclusion Surgical stabilization of the dorsal capsuloligamentous complex may be considered the selected treatment option in isolated carpometacarpal joint dislocations that remain unstable after closed reduction in young and high demand patients. Level of Clinical Evidence Level IV Introduction Isolated dislocation of the carpometacarpal CMC joint of the thumb is an uncommon upper limb and hand injury. The lesion is usually the consequence of an axial transmitted force through a partially flexed thumb. Due to thick and strong volar ligamentous complex the dislocation
