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Year : 2014  |  Volume : 48  |  Issue : 5  |  Page : 518-521

Scapholunate interosseus ligament reconstruction on a cadaver A technique

Department of Orthopaedics, Pulvertaft Hand Centre, Royal Derby Hospital, Uttoxeter New Road, Derby DE22 3NE, United Kingdom

Correspondence Address:
Joan Arenas Prat
Pulvertaft Hand Centre, Royal Derby Hospital, Uttoxeter New Road, Derby DE22 3NE
United Kingdom
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0019-5413.139878

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Background: Acute rupture of the scapholunate interosseus ligament is a relatively frequent occurrence which can be repaired primarily by direct suturing. However, patients are often seen a few weeks after injury when most of the ligament fibers have degenerated. This poses a challenge because direct repair can be difficult and long term results have not been satisfying. In the present study, a technique is presented to address this problem and its possible advantages are discussed. Materials and Methods: A fresh frozen wrist cadaver specimen, thawed to room temperature, was used to carry out the procedure. The scapholunate joint was exposed through a dorsal approach and stabilized using two percutaneous Kirschner wires. Using a U shaped chisel, a groove along the scapholunate articular margin was created to accommodate a strip from the extensor retinaculum as a ligament plasty. This has been secured using six anchor sutures and several pictures taken during the procedure to expose the key steps. Results: The ligamentoplasty presented in this article preserves most of the articular surface of proximal carpus and at the same time stabilizes the scapholunate joint. However, more in vivo research should be carried out to validate this treatment. Conclusion: The technique suggests a possible way to repair a ruptured scapholunate interosseus ligament that cannot be repaired primarily. Because osteointegration of the ligament strips is not possible in the present experiment, biomechanics of the construct cannot be fully tested.

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