Reinforcement of Coracoacromial Ligament Transfer for Severe Acromioclavicular Dislocation using the Suture Anchor and the Hook Plate : Results of the cases

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概要

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• Introduction : Three cases of successfully treated Rockwood type V acute acromioclavicular joint dislocation in high activity patients with modified (reinforced) coracoacromial ligament transfer were reported. Materials and methods : All patients were operated on within 3 weeks after injury. The operation is constructed with three parts, namely the coracoclavicular ligament repair with 2 suture anchors, the coracoacromial ligament transfer, and internal fixation of the acromioclavicular joint with short-hook-3-hole plate as a temporary support until ligaments heal. Postoperatively, the patient's shoulder is lightly immobilized with a sling. The sling is removed at the first postoperative day and the patient is allowed to begin circumduction exercises with a gradual increase. No overhead activities or full abduction was allowed until the hook plate removal at three months. Results : The mean follow-up duration was one year. Mean Constant score at a year was 95 out of a maximum of 100. Mean ASES score at a year was 29 out of a maximum of 30. Although follow-up was a short period, both subjective and objective assessments including X-ray evaluation were excellent. Conclusion : Combination of the repaired coracoclavicular ligament with the suture anchors and the transferred coracoacromial ligament must keep more rigid strength against redisplacement, and the temporary hook plate strongly prevents the ligaments from any stress during their healing period. Since reliable stability from the initial postoperative stage can ease mandatory limitation in daily activities earlier, this reinforced procedure may consequently help early reinstatements of the patients.

• 獨協医科大学の論文

著者

• Suzuki Hirohiko

  Division of Cardiology, Nagoya Daini Red Cross Hsopital

• Suzuki Hirohiko

  Division Of Orthopedic Surgery Kenwakai Otemachi Hospital

• Sano Kazufumi

  Department Of Orthopaedic Surgery Dokkyo Medical University Koshigaya Hospital

• Sano Kazufumi

  Department of Orthopaedic Surgery Dokkyo Medical University, Koshigaya Hospital

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