• Arch Orthop Trauma Surg · May 2023

    Multicenter Study

    Outcomes of arthroscopic-assisted middle trapezius tendon transfer for isolated irreparable supraspinatus tendon tears: minimum 2-year follow-up.

    • Chang Hee Baek and KimJung GonJGDepartment of Orthopaedic Surgery, Yeosu Baek Hospital, Yeoseo 1-ro, 59709, Yeosu-si, Jeollanam-do, Republic of Korea..
    • Department of Orthopaedic Surgery, Yeosu Baek Hospital, Yeoseo 1-ro, 59709, Yeosu-si, Jeollanam-do, Republic of Korea. yeosubaek@gmail.com.
    • Arch Orthop Trauma Surg. 2023 May 1; 143 (5): 254725562547-2556.

    IntroductionMiddle trapezius tendon (MTT) transfer has been proposed as a feasible option for managing isolated irreparable supraspinatus tears (IISTTs). However, no clinical study has been attempted. This study aimed to evaluate clinical and radiologic outcomes of arthroscopic-assisted MTT transfer in patients with IISTTs.MethodsThis retrospective study included patients who underwent arthroscopic-assisted MTT transfer using fascia lata autograft for IISTTs. Clinical outcomes, including pain visual analog scale (VAS), Constant, American Shoulder and Elbow Society (ASES), University of California Los Angeles (UCLA) shoulder scores and active range of motion (aROM), were assessed. Radiographic analyses included the acromiohumeral distance (AHD), Hamada grade, and transferred tendon integrity at the final follow-up.ResultsTwenty-two patients (mean age: 63.3 ± 6.8 [51‒74] years; mean follow-up period: 28.9 ± 4.9 [24‒44] months) met the study criteria. The mean VAS, Constant, ASES, and UCLA scores improved postoperatively at the final follow-up (p < 0.001). The mean aROMs for forward flexion and abduction were significantly increased postoperatively. No significant changes of AHD (p = 0.105) and Hamada grade (p = 0.815) were observed postoperatively. One patient had a re-tear of the transferred tendon at the footprint site at the final follow-up.ConclusionIn this minimum 2-year follow-up study of the novel aMTT transfer using fascia lata autograft, we found significant improvement in pain relief, clinical scores, and active forward flexion and abduction. Additionally, no significant progression of cuff tear arthropathy was observed at the final follow-up. Therefore, aMTT transfer could be a promising treatment option for patients with IISTTs. However, further multicenter and long-term trials are needed to verify its effectiveness.Level Of EvidenceRetrospective case series, level IV.© 2022. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

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