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Hand & Wrist Videos: Instability
Indirect Scapholunate Ligament Repair: All Arthroscopic
The arthroscopic technique most frequently used in acute scapholunate instability is reduction and fixation with Kirschner wires. To repair the injured ligament, open surgery and dorsal capsular plication are recommended, but this procedure has the risk of damaging secondary dorsal stabilizers, the dorsal blood supply, and the proprioceptive innervation of the posterior interosseous nerve. In this report, we present an all-arthroscopic technique of a dorsal reconstruction of the scapholunate interosseous ligament for scapholunate instability using a tape by tethering the scaphoid to the lunate.Arthroscopic Treatment of Type 1B Triangular Fibrocartilage Complex Tear by “Outside-In” Repair Technique Using Transcapsular Transverse Mattress Suture
Triangular fibrocartilage complex (TFCC) injuries are increasingly recognized as a cause of ulnar-sided wrist pain. Palmer grouped these tears into either traumatic or degenerative, with various subclassifications. Magnetic resonance imaging (MRI), arthrogram, and arthroscopy are the methods used to establish the diagnosis. Several arthroscopic methods of TFCC repair including outside-in, inside-out, and all-inside techniques have been described. The outside-in repair, which involves piercing the TFCC via the ulnar side of the wrist, has been described by several authors, but the technique varies among authors with respect to instrumentation and subtle surgical modifications.Arthroscopic Scapholunate Capsuloligamentous Repair: Suture With Dorsal Capsular Reinforcement for Scapholunate Ligament Lesion
Scapholunate ligament (SLL) injury is the most frequent injury of the intrinsic carpal ligaments. The dorsal part of the SLL is the most important part for the stability of the scapholunate joint, and tears of this part and at least one of its secondary capsular attachments cause scapholunate dissociation. The arthroscopic technique most frequently used for acute injuries is reduction and fixation with Kirschner wires, and techniques that involve a primary repair of the injured ligament are performed by open surgery with efficient results.Arthroscopically Assisted Ligamentoplasty for Axial and Dorsal Reconstruction of the Scapholunate Ligament
Scapholunate (SL) ligament injury is among the most common injuries of the intrinsic ligaments of the carpus. Arthroscopic treatment in complete and nonacute injuries has had poor results. These cases have typically been treated using open surgical techniques that require a broad dorsal approach and produce soft tissue impairment, which leads to reduced wrist mobility. The development of wrist arthroscopy techniques has allowed the treatment of complete and nonacute injuries of the SL ligament, without the disadvantages of open surgery, respecting the soft tissues and avoiding injury of the posterior interosseous nerve, in an attempt to preserve the proprioception of the wrist and the secondary dorsal stabilizers.Arthroscopic Reduction and Stabilization of Chronic Perilunate Wrist Dislocations
An acute perilunate wrist injury that is unreduced for more than 6 weeks results in severe disability, and even open reduction with stabilization through wide dorsal and volar approaches is technically challenging. This report describes an arthroscopic technique for reduction and percutaneous wire stabilization of a chronic perilunate wrist dislocations. The technique involves initial radiocarpal and midcarpal access through the 6R and 3-4 portals, and these portals are used for synovectomy and debridement of capsular flap tears.Arthroscopic Reduction of Complex Dorsal Metacarpophalangeal Dislocation of Index Finger
Complex dorsal dislocation of the metacarpophalangeal joint is an uncommon injury, typically caused by entrapment of the volar plate within the joint space. Closed reduction of the dislocation is not effective; instead, open reduction is necessary to release the soft tissues interposed between the metacarpal head and the proximal phalanx. However, an operative risk of digital nerve injury exists because of intricate displacement of the normal anatomy. We successfully reduced a dislocation by arthroscopic release of the entrapped volar plate.
