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  • Title: Latissimus dorsi transfer for irreparable subscapularis tendon tears.
    Author: Mun SW, Kim JY, Yi SH, Baek CH.
    Journal: J Shoulder Elbow Surg; 2018 Jun; 27(6):1057-1064. PubMed ID: 29398397.
    Abstract:
    BACKGROUND: There are several tendon transfers for reconstruction of irreparable subscapularis tears. The latissimus dorsi (LD) could be used because its direction and function are similar to those of the subscapularis. We performed LD transfers for irreparable subscapularis tears and evaluated clinical outcomes. METHODS: The study enrolled 24 consecutive patients who underwent LD transfers. Clinical and functional outcomes were evaluated using the Constant score, American Shoulder and Elbow Surgeons score, pain visual analog scale, and range of shoulder motion preoperatively and at last follow-up. The lift-off and belly-press tests were performed to assess subscapularis integrity and function. Magnetic resonance imaging was performed preoperatively and 1 year postoperatively to evaluate tendon integrity. RESULTS: Mean Constant, American Shoulder and Elbow Surgeons, and pain scores improved from 46 ± 6 to 69 ± 5 (P < .001), from 40 ± 3 to 70 ± 5 (P < .001), and from 6 ± 1 to 2 ± 1 (P = .006), respectively. The mean range of motion for forward elevation and internal rotation increased from 135° ± 17° to 166° ± 15° (P = .016) and from L5 to L1 (P = .010), respectively. Improvement in the range of motion for external rotation was not significant (51° ± 7° to 68° ± 7°; P = .062). At final follow-up, the belly-press test results were negative for 18 of 24 patients, and the lift-off test results were negative for 16 of 20 patients. No complications related to tendon transfer, including axillary and radial nerve injuries, were found. No retearing of the transferred LD was observed. CONCLUSIONS: LD transfer resulted in pain relief and restoration of shoulder range of motion and function. LD transfer could be considered an effective and safe salvage treatment for irreparable subscapularis tears.
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