Intra-articular repair of an isolated partial articular-surface tear of the subscapularis tendon |
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Authors: | Kim Seung-Ho Oh Irvin Park Jun-Sic Shin Seong-Kee Jeong Woong-Kyo |
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Affiliation: | Department of Orthopaedic Surgery, Madi Hospital, 192-5 Nonhyeon-dong, Gangnam-gu, Seoul, Korea 135-010. shk@madi.or.kr |
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Abstract: | BACKGROUND: Partial-thickness tear of the subscapularis tendon in the articular surface is common. HYPOTHESIS: Intra-articular repair of a partial articular-surface tear of the subscapularis tendon will provide a successful outcome. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: A total of 29 shoulders with an isolated partial articular-surface tear of the subscapularis tendon without another rotator cuff lesion were treated with arthroscopic intra-articular repair using suture anchors. Biceps tenodesis was performed in 16 patients. Outcomes were prospectively evaluated at a mean of 27 months (range, 19-41 months) using 3 objective (University of California at Los Angeles, American Shoulder and Elbow Surgeons Shoulder Index, Simple Shoulder Test) and 2 subjective (pain and function visual analog scales) measurements. RESULTS: There were 21 men and 8 women, with a mean age of 54 years (range, 41-65 years). Tear widths were small (<1 cm) in 16 shoulders and large (>1 cm) in 13 shoulders. Twenty-six shoulders had articular cartilage erosion on the adjacent humeral head. Lesions of the biceps tendon were noted in 25 patients (partial tear in 15 shoulders; subluxation in 13 shoulders). Shoulder pain scores improved after surgery (5.0 +/- 2.7 to 0.3 +/- 0.7, P < .05). According to American Shoulder and Elbow Surgeons Shoulder Index scores, 18 were excellent; 10, good; and 1, fair. Internal rotation strength deficit improved from 32% to 4%. Twenty-six patients returned to more than 90% of previous activity. There were no surgical complications; tear size and biceps tenodesis did not affect outcome (P > .05). CONCLUSION: Arthroscopic intra-articular repair of a partial articular-surface tear of the subscapularis tendon is an effective procedure that spares the intact tendon attachment in the bursal surface. Short-term outcomes were reliable by both objective and subjective measurements. |
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