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Techniques in Hand & Upper Extremity Surgery:
doi: 10.1097/BTH.0b013e3181e6650c
Techniques

Chronic Scapholunate Dissociation: Ligament Reconstruction Combining a New Extensor Carpi Radialis Longus Tenodesis and a Dorsal Intercarpal Ligament Capsulodesis

De Carli, Pablo MD; Donndorff, Agustin G. MD; Gallucci, Gerardo L. MD; Boretto, Jorge G. MD; Alfie, Verónica A. MD

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Abstract

Scapholunate dissociation (SLD) is the commonest cause of carpal instability and wrist osteoarthrosis. The value of early diagnosis and treatment of this injury is well established in the literature. When a partial or total rupture of the scapholunate ligament is treated with early anatomic reduction and repair, functional results may be good to excellent. However, if this ligament is not addressed acutely then an overall carpal malalignment may seem progressively as a result of failure of the secondary scaphoid stabilizers. Chronic SLD will lead to scapholunate advanced collapse and progressive painful arthritis of the wrist. Although most surgeons agree that operative intervention is indicated, no clear consensus exists on the best treatment for patients with chronic SLD. Several procedures have been described that include some sort of partial fusion, capsulodesis, tenodesis, or bone-ligament-bone graft. If there is no evidence for arthrosis, soft-tissue procedures using either capsulodesis or tenodesis may be carried out in an attempt to preserve radiocarpal and intercarpal motion whereas avoiding fusion. This article describes a scapholunate ligament reconstruction combining a new dorsal extensor carpi radialis longus tenodesis and a dorsal capsulodesis for the treatment of chronic SLD.

© 2011 Lippincott Williams & Wilkins, Inc.

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