• Min Jong Park and Jin Hwan Ahn.
• Department of Orthopaedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea. mjp@smc.samsung.co.kr
• Arthroscopy. 2005 Sep 1;21(9):1153.

AbstractPerilunate injuries are severe disruptions of the wrist joint that produce variable patterns of injury to the carpal anatomy. Most surgeons advocate an open reduction followed by ligament repair or internal fixation. We tried to reduce and fix the carpal bones under arthroscopic control to minimize surgical trauma and to preserve blood supply. While viewing the articular surface with the arthroscope, the disrupted proximal carpal row was anatomically reduced using Kirschner wires as joysticks, and fixed percutaneously without any repair of the capsuloligamentous tears. Three patients with dorsal perilunate dislocations or fracture-dislocations were treated by this technique. All the patients achieved accurate reduction and stable fixation, and showed successful healing of the carpal fractures with proper alignment after 10 to 12 weeks of immobilization. At 16 to 22 months follow-up, all patients showed normal radiographic findings with no evidence of instability or arthritis. The arthroscopic treatment of acute dorsal perilunate injuries is technically feasible in achieving anatomic reduction and stable fixation. Our preliminary clinical results were encouraging, but the long-term results need to be observed.

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