LATARJETE OPERATION AS A SALVAGE PROCEDURE FOR FAILED ABR OR ANTERIOR-INFERIOR DEFICIENT GLENOID
2006
Introduction: Latarjete operation for anterior shoulder instability, first described by Latarjete in 1954 consists of transfer of the coracoid process through the sub-scapularis tendon to the neck of the scapula. Many modifications were described in the English literature as described by Mc Murray in 1958, by Bonin in 1969 or May in 1970. In 1985, Braly and Tullos emphasized that the Bankart lesion, when present, should be corrected. Rockwood transplants the entire coracoid process onto the neck by “laying it flat” onto the neck of the scapula using two screws instead of one, which gives a larger base for the coracoid transplant. The disadvantages of this procedure, as described in the English literature, are relative shortening of the sub-scapularis tendon, thereby decreasing internal rotation power, limited external rotation and the possibility to damage the musculocutaneous nerve. Purpose of the Study : To demonstrate that transplantation of the coracoid process with its tendon attachments through a split in the subscapularis muscle and tendon without shifting the capsula gives better results then transplant of the coracoid process with capsule-labral repair. The goal of this report is to review the result of our series. Patients and Methods: Between January 2000 and June 2005, 26 Latarjete operations (Rockwood modification) were performed by the senior author. The indication for surgery was failed artroscopic Bankart repair or anterior shoulder instability associated with anterior inferior glenoid deficiencies (“inverted pear” deformity). Five cases were excluded having less than 6 months follow-up. In the first 5 cases in addition to the coracoid process transfer, labral repair with capsular shift was performed whereas in the next 21 cases only coracoid process transplant with excision of the damaged labrum/scar tissue and no capsular shift was performed. The postoperative rehabilitation program was the same for both groups. The patients age and sex was very close in both groups. The parameters for comparison between the two groups were: range of motion, stability after 6 months, return to work and sport activity, satisfaction, and complication rate. Results: 6 months after surgery all patients of both groups returned to full work and sport activity including contact sports. No recurrent dislocation was encountered during this short period of follow up. All patients who underwent this procedure, with or without capsule-labral repair, were satisfied with the procedure. In the small group that included capsulo-labral repair an average of 10 degrees decrease of external rotation was encountered compared to the opposite shoulder. In the second group no decrease in range of motion was found. Conclusion: Transfer of the coracoid process through the subscapularis tendon alone has better results then Latarjete operation complemented with capsulo-labral repair in regard of range of motion. The procedure is simple and of short duration giving the best solution for failed artroscopic procedures or for cases of shoulder instability having anterior inferior glenoid deficiencies. The authors are aware that longer follow up is mandatory.
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