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Comparison of Two Arthroscopic Coracoplasty Approaches in Subscapularis Tears
Clinics in Shoulder and Elbow 2017;20:189-194
Published online December 31, 2017
© 2017 Korean Shoulder and Elbow Society.

Han-Eui Song, Suk-Hwan Jang, Jung-Gon Kim

Department of Orthopedic Surgery, Inje University Seoul Paik Hospital, Seoul, Korea
Correspondence to:
Suk-Hwan Jang
Department of Orthopedic Surgery, Inje University Seoul Paik Hospital, 9 Mareunnae-ro, Jung-gu, Seoul 04551, Korea
Tel: +82-2-2270-0028, Fax: +82-2-2270-0023, E-mail: orthopodjang@gmail.com
IRB approval (No. PAIK 2016-12-004).
Received July 12, 2017; Revised September 17, 2017; Accepted September 22, 2017.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
 Abstract
Background: Few studies have reported the results of arthroscopic coracoplasty concomitantly conducted with subscapularis tear. Therefore, this study was conducted to examine and compare the outcomes of arthroscopic subscapularis repair after arthroscopic coracoplasty using either the subacromial approach or rotator interval approach.
Methods: We retrospectively reviewed 51 patients who underwent coracoplasty with subscapularis repair. The patients were grouped according to whether the subacromial approach group (24 patients) or rotator interval approach group (27 patients) was used during coracoplasty. Preoperative and postoperative visual analogue scale scores, American shoulder and elbow surgeons scores, Korean shoulder scores, and range of motion (ROM) were assessed. Assessment of repaired rotator cuff tendon integrity was performed at 1 year after surgery using either magnetic resonance imaging or ultrasonography.
Results: At final follow-up, overall functional scores and ROM improved significantly in both groups when compared with preoperative values (p>0.05). The re-tear rates were not significantly different between groups; however, the rotator interval approach group showed a significant increase in ROM compared with that in the subacromial approach group (p<0.05).
Conclusions: Arthroscopic coracoplasty conducted concomitantly with subscapularis repair can provide a satisfactory outcome. There were no significant differences between the two approach groups regarding final functional scores and re-tear rates. However, the rotator interval approach group showed a greater increase in ROM at final follow-up, especially in external rotation.
(Clin Shoulder Elbow 2017;20(4):189-194)
Keywords : Shoulder; Rotator cuff tears; Subscapularis; Arthroscopy; Coracoplasty