• Sang-Jin Shin, Joo Han Oh, Seok Won Chung, and Mi Hyun Song.
• Department of Orthopaedic Surgery, Ewha Womans University School of Medicine, Seoul, South Korea.
• Arthroscopy. 2012 May 1;28(5):628-35.

PurposeTo assess the role of acromioplasty in the arthroscopic repair of small- to medium-sized rotator cuff tears.MethodsA prospective randomized trial of 120 patients who had small- to medium-sized rotator cuff tears and various types of acromions without spurs were included. Sixty patients received arthroscopic rotator cuff repair with acromioplasty (group I), and another sixty received the same procedure without acromioplasty (group II). The mean age at surgery was 57.8 ± 9.3 years in group I and 55.8 ± 8.0 years in group II. The shape of the acromion was flat in 18 patients, curved in 32, and hooked in 10 in group I, and it was flat in 15 patients, curved in 36, and hooked in 9 in group II. The mean tear size was similar in the two groups (14.6 ± 5.2 mm in group I and 15.3 ± 7.0 mm in group II). Pain and satisfaction were estimated and range of motion was measured at a mean of 35 months after surgery. Functional outcomes were assessed with American Shoulder and Elbow Surgeons: Constant; and University of California, Los Angeles scores. Tendon healing was evaluated by magnetic resonance imaging postoperatively.ResultsClinical outcome was significantly improved in both groups after arthroscopic rotator cuff repair (P < .05). There were no significant differences with respect to pain and range of motion between the groups at the final follow-up (1.1 ± 0.9 v 1.3 ± 1.4 on visual analog scale). Functional outcomes also showed no significant differences between the 2 groups (American Shoulder and Elbow Surgeons score, 90.7 ± 13.1 v 87.5 ± 12.0; Constant score, 85.0 ± 11.3 v 83.3 ± 13.0; and University of California, Los Angeles score, 33.4 ± 3.3 v 32.3 ± 3.5). Postoperative imaging showed that the retear rate was 17% in group I and 20% in group II (P = .475).ConclusionsArthroscopic repair of small- to medium-sized rotator cuff tears provided pain relief and improved functional outcome with or without acromioplasty. Clinical outcomes were not significantly different, and acromioplasty may not be necessary in the operative treatment of patients with small- to medium-sized rotator cuff tears in the absence of acromial spurs.Level Of EvidenceLevel II, prospective comparative study.Copyright © 2012 Arthroscopy Association of North America. Published by Elsevier Inc. All rights reserved.

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