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Arthroscopic Conjoint Tendon Transfer: A Technique for Revision Anterior Shoulder Stabilization.

ABSTRACT: Revision anterior stabilization of the shoulder presents a challenge to the surgeon and carries a higher risk of recurrent dislocation than primary repair. The Latarjet procedure may be more reliable than revision soft-tissue repair but may not be indicated in patients without significant glenoid bone loss. We describe an arthroscopic technique of conjoint tendon transfer using a combination of suspensory and interference screw fixation for patients without significant glenoid bone loss (<15%). The arthroscopic approach to this procedure allows intra-articular visualization to assist in mobilization of the conjoint tendon, accurate bone tunnel placement, and subsequent labral repair. It avoids the additional steps of bone block preparation and the larger portals required for arthroscopic Latarjet techniques, in addition to eliminating potential complications due to coracoid bone block resorption.

SUBMITTER: Tennent D

PROVIDER: S-EPMC4886098 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:BackgroundManagement of failed anterior stabilization is difficult. There are two main options for revision either a revision labral repair which has published high failure rates because of poor quality capsulolabral tissues or a bone block/Latarjet procedure with associated morbidity and complication rates. On this background, the senior author (D.T.) has developed a new procedure to treat this difficult to manage clinical scenario.AimThe aim of this study was to evaluate the 2-year results of an arthroscopic conjoint tendon transfer procedure. The procedure has previously been developed to provide a potential solution for active patients with a failed labral repair, subcritical glenoid bone loss, and an on-track Hill-Sachs lesion.MethodsConsecutive patients who fulfilled the inclusion criteria were prospectively recruited. Inclusion criteria were active patients with recurrent shoulder instability owing to failed labral repair, less than 10% anterior glenoid bone loss, and an on-track Hill Sachs lesion. Patients were fully consented and offered a choice of revision with an arthroscopic labral repair, a Latarjet procedure or the arthroscopic conjoint tendon transfer procedure. Preoperative and postoperative Western Ontario Shoulder Instability Index and Oxford Instability Score were collected.ResultsEight patients met the inclusion criteria and opted for the conjoint tendon transfer procedure. Mean age was 35 with a male:female ratio of 7:1. No patients had hyperlaxity clinically. At median follow-up of 31 months (range 24-41), there was a significant improvement in both the median Western Ontario Shoulder Instability Index (53.7 to 13.4, P = .0003) and Oxford Instability Score (27 to 44.5, P = .0017) scores. No patient had a further dislocation, and all were able to resume contact and noncontact sports.ConclusionOur results at a minimum of 2-year follow-up demonstrate that the arthroscopic transfer of the conjoint tendon confers clinical stability in patients with a failed primary labral repair who have minimal bone loss.

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Arthroscopic Conjoint Tendon Transfer: A Technique for Revision Anterior Shoulder Stabilization.

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