The Journal of Bone and Joint Surgery (American). 2006;88:159-169.
doi:10.2106/JBJS.F.00319
© 2006 The Journal of Bone and Joint Surgery, Inc.
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Arthroscopic Osseous Bankart Repair for Chronic Recurrent Traumatic Anterior Glenohumeral Instability

Surgical Technique

Hiroyuki Sugaya, MD1, Joji Moriishi, MD1, Izumi Kanisawa, MD1 and Akihiro Tsuchiya, MD1

1 Funabashi Orthopaedic Sports Medicine Center, 1-833 Hazama, Funabashi, Chiba 2740822, Japan. E-mail address for H. Sugaya: hsugaya{at}nifty.com

Investigation performed at the Funabashi Orthopaedic Sports Medicine Center, Funabashi, Chiba, and the Department of Orthopaedic Surgery, Kawatetsu Chiba Hospital, Chiba, Japan

The original scientific article in which the surgical technique was presented was published in JBJS Vol. 87-A, pp. 1752-1760, August 2005

The authors did not receive grants or outside funding in support of their research for or preparation of this manuscript. They did not receive payments or other benefits or a commitment or agreement to provide such benefits from a commercial entity. No commercial entity paid or directed, or agreed to pay or direct, any benefits to any research fund, foundation, educational institution, or other charitable or nonprofit organization with which the authors are affiliated or associated.

The line drawings in this article are the work of Joanne Haderer Müller of Haderer & Müller (biomedart{at}haderermuller.com).

BACKGROUND:

A chronic osseous Bankart lesion has traditionally been treated with soft-tissue repair and/or open bone-grafting for a large glenoid defect. We developed an arthroscopic method of osseous reconstruction of the glenoid without bone-grafting. The purpose of this study was to evaluate the postoperative outcomes of our technique for chronic recurrent traumatic anterior glenohumeral instability.

METHODS:

A consecutive series of forty-two shoulders in forty-one patients with chronic recurrent traumatic glenohumeral instability underwent an arthroscopic osseous Bankart repair. All shoulders were evaluated preoperatively with three-dimensionally reconstructed computed tomography, which confirmed an osseous fragment at the anteroinferior portion of the glenoid. The average bone loss in the glenoid was 24.8% (range, 11.4% to 38.6%), and the average fragment size was 9.2% (range, 2.1% to 20.9%) of the glenoid fossa. In all shoulders, a displaced osseous fragment, firmly attached to the labroligamentous complex, was separated from the glenoid neck before reduction and fixation in the optimal position with use of suture anchors. All patients were assessed with use of the scoring systems of Rowe et al. and the University of California at Los Angeles preoperatively and at the final evaluation.

RESULTS:

The mean duration of follow-up was thirty-four months. At that time, thirty-nine of the forty-two shoulders were rated as having a good or excellent result. The mean Rowe score improved from 33.6 points preoperatively to 94.3 points postoperatively (p < 0.01). The mean score on the University of California at Los Angeles system improved from 20.5 points preoperatively to 33.6 points at the final evaluation (p < 0.01). The average passive external rotation was 75° with the arm at the side and 93° with the arm at 90° of abduction. Two patients had a reinjury. Eventually, thirty-five of thirty-seven patients who were active participants in sports returned to the sport they had played before the injury.

CONCLUSIONS:

Arthroscopic osseous Bankart repair with use of suture anchors yields a successful outcome even in shoulders with a chronic large glenoid defect.


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