巨大な回旋腱板断裂に対する上腕二頭筋前部ケーブル再建術
Matthew P Kolevar1, Sophia McMahon1, Jenna Dvorsky1
1Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.
Video journal of sports medicine
|February 6, 2026
まとめ
巨大な回旋腱板断裂に対する上腕二頭筋前部ケーブル再建術(ACR)は、上腕二頭筋腱(LHBT)の長頭を使用して前部ケーブルを再建することにより、巨大な回旋腱板断裂を効果的に修復します。この手術手技は、複雑な回旋腱板損傷の患者において、安定性を向上させ、再断裂率を低下させます。
科学分野:
- 整形外科
- スポーツ医学
- 生体医工学
背景:
- 巨大な回旋腱板断裂(MRCT)で回旋腱ケーブルが関与するものは、腱の引き込みと高い再断裂率のために課題となります。
- 回旋腱ケーブルは、肩の生体力学と安定性にとって重要です。
研究 の 目的:
- 回旋腱板修復の増強手技としての、上腕二頭筋前部ケーブル再建術(ACR)の有効性を評価すること。
- 上腕二頭筋ACRが大結節被覆と生体力学的安定性に及ぼす影響を評価すること。
主な方法:
- 上腕二頭筋ACRは、上腕二頭筋腱(LHBT)の長頭を使用して、前部回旋腱ケーブルを再建します。
- 結節のない縫合糸を近位LHBTの周囲に通し、大結節に固定します。
- この手技は、LHBTを大結節にテノデーシスし、前部ケーブル機能を強化します。
主要な成果:
- 上腕二頭筋ACRは、大結節被覆と生体力学的安定性を向上させます。
- この手技は、上方転位と肩峰下接触圧を低下させます。
- 臨床研究では、上腕二頭筋ACRを回旋腱板修復と組み合わせると、患者報告による転帰が良好で、再断裂率が低下することが示されています。
結論:
- 上腕二頭筋ACRは、前部ケーブルが関与する巨大な回旋腱板断裂に対する実行可能な外科的選択肢です。
- この手技は、ハイリスク症例に対処し、修復の完全性と患者の転帰を改善します。
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