alexa Difficult wrist fractures. Perilunate fracture-dislocations of the wrist.
Surgery

Surgery

Journal of Trauma & Treatment

Author(s): Cooney WP, Bussey R, Dobyns JH, Linscheid RL

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Abstract Perilunate dislocations of the wrist have a common pathway of disruption that occurs from extensive dorsiflexion injuries. Open reduction and internal fixation of these injuries is required to provide accurate alignment and the option for ligament repair. Both dorsal and palmar surgical incisions may be indicated. Associated injuries to the median nerve must be recognized. Treatment includes scaphoid and radial styloid stabilization with multiple K-wires or internal compression screw (Herbert or Association for the Study of Internal Fixation [ASIF] screws). In these injuries, the lunate must be reduced first and stabilized. The scaphoid proximal segment follows the lunate unless the scapholunate (SL) ligament is torn. The distal scaphoid fragment, capitate, and triquetrum are reduced and aligned with the lunate and need to be held with K-wires. Ligament repair and augmentation may be necessary at both scapholunate and lunotriquetal areas if there has been serious ligament injury. Palmar ligament repair is often required, and we recommend a palmar exploration in most patients along with release of the median nerve. Surgical treatment results of perilunate fracture-dislocations of the wrist appear better than conservative treatment methods, but complications following both indicate the need for improved internal fixation and fracture-dislocation realignment. These fractures are a real challenge to the treating surgeon who must use patience, precise surgical techniques, and careful roentgenographic study (including tomograms and traction views) to assure the best result.
This article was published in Clin Orthop Relat Res and referenced in Journal of Trauma & Treatment

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