Results of arthroscopic capsulolabral repair: Bankart lesion versus anterior labroligamentous periosteal sleeve avulsion lesion

Mehmet Ozbaydar, Bassem Elhassan, David Diller, Daniel Massimini, Laurence D Higgins, Jon J P Warner
Arthroscopy 2008, 24 (11): 1277-83

PURPOSE: The purpose of this study was to evaluate the results of arthroscopic capsulolabral repair for traumatic anterior shoulder instability and to compare the outcome in patients who have Bankart lesions versus those with anterior labroligamentous periosteal sleeve avulsion (ALPSA) lesions.

METHODS: This study included 99 patients (93 shoulders), 72 male and 17 female, with a mean age of 32 years, who underwent arthroscopic Bankart repair for traumatic, recurrent anterior shoulder instability, by use of suture anchors. In 67 shoulders (72%) a discrete Bankart lesion was repaired, and in 26 shoulders (28%) an ALPSA lesion was repaired. The 2 groups were analyzed with regard to the number of preoperative dislocations and number of postoperative recurrences.

RESULTS: At a mean follow-up of 47 months (range, 24 to 98 months), recurrence of instability was documented in 10 shoulders (10.7%). Of the shoulders, 5 had Bankart lesions (7.4%) and 5 had ALPSA lesions (19.2%) (P = .0501). The mean number of dislocations or subluxations before the index surgery was significantly higher in the ALPSA group (mean, 12.3 [range, 2 to 57]) than in the Bankart group (mean, 4.9 [range, 2 to 24]) (P < .05). However, there were no significant differences in the number of anchors used, incidence of minor glenoid erosion, or incidence of bony Bankart lesions between the groups (P > .05 for all).

CONCLUSIONS: Patients with ALPSA lesions present with a higher number of recurrent dislocations than those with discrete Bankart lesions. In addition, the failure rate after arthroscopic capsulolabral repair is higher in the ALPSA group than in the Bankart group.

LEVEL OF EVIDENCE: Level IV, therapeutic case series.

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