Dataset Information

Concomitant Reverse Hill-Sachs Lesion and Posterior Humeral Avulsion of the Glenohumeral Ligament: Treatment With Fresh Talus Osteochondral Allograft and Arthroscopic Posterior Humeral Avulsion of the Glenohumeral Ligament and Labrum Repair.

ABSTRACT: Chronic posterior glenohumeral joint instability can be a challenging clinical entity for patients and surgeons alike. In the setting of a posterior dislocation, a large anterior humeral impaction injury (reverse Hill-Sachs [HS]) may occur, leading to engagement of the humerus with the posterior glenoid bone, especially during internal rotation of the joint. A reverse HS is especially debilitating because of the significant portion of affected humeral head cartilage, and is made worse in the setting of ligamentous disruption such as a posterior humeral avulsion of the glenohumeral ligament (HAGL) lesions. Although several nonanatomic procedures to address these defects have been previously described, recent interest in anatomic reconstructions capable of restoring the cartilage surface of the humeral head has led to the use of bone grafts (autografts and allografts) to restore the articular contour of the humeral head in conjunction with anatomic repair of associated soft tissue injuries. We present our preferred technique for an anatomic repair of a posterior HAGL lesion in combination with reconstruction of an engaging reverse HS lesion using an unmatched hemitalar allograft.

SUBMITTER: Mitchell JJ

PROVIDER: S-EPMC5621160 | biostudies-literature | 2017 Aug

REPOSITORIES: biostudies-literature

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Publications

Concomitant Reverse Hill-Sachs Lesion and Posterior Humeral Avulsion of the Glenohumeral Ligament: Treatment With Fresh Talus Osteochondral Allograft and Arthroscopic Posterior Humeral Avulsion of the Glenohumeral Ligament and Labrum Repair.

Mitchell Justin J JJ Vap Alexander R AR Sanchez George G Liechti Daniel J DJ Chahla Jorge J Moatshe Gilbert G Ferrari Márcio B MB Provencher Matthew T MT

Arthroscopy techniques 20170710 4

Chronic posterior glenohumeral joint instability can be a challenging clinical entity for patients and surgeons alike. In the setting of a posterior dislocation, a large anterior humeral impaction injury (reverse Hill-Sachs [HS]) may occur, leading to engagement of the humerus with the posterior glenoid bone, especially during internal rotation of the joint. A reverse HS is especially debilitating because of the significant portion of affected humeral head cartilage, and is made worse in the set ...[more]

PMID: 28970982

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Project description:Glenohumeral instability causing bipolar bone loss is increasingly being recognized and treated to minimize recurrence. Large Hill–Sachs and reverse Hill–Sachs lesions of the humerus must be addressed at the time of surgery to prevent recurrent dislocations and restore the native anatomic track. For patients with epilepsy, locked dislocations may create defects that must be addressed with bony procedures, including osteochondral allograft reconstruction as soft-tissue remplissage may not adequately addresses the magnitude of the bone loss. Osteochondral allografts have been successfully used to address bony defects ranging from 20% to 30% of humeral bone loss whereas shoulder arthroplasty is indicated for larger defects where the native anatomy can no longer be restored. In this Technical Note, we present a technique to address concomitant large Hill–Sachs and reverse Hill–Sachs lesions. Technique Video Video 1 The patient in this case example has a large Hill–Sachs and reverse Hill–Sachs lesion of the left humeral head. A standard deltopectoral approach is performed. The subscapularis tendon is released via a subscapularis peel directly off of its insertion on the lesser tuberosity directly medial to the long head of the biceps tendon. Adequate release of the inferior capsule is performed to be able to access the humeral head lesions with extension and maximal external rotation. The lesions on the humeral head are prepared into flat surfaces with a sagittal saw. Bone wax is used to fill each defect to recreate native anatomy. The bone wax is used as a template to harvest the same size wedge from the proximal humeral osteochondral allograft on the back table. Two allograft wedges are harvested; one for the Hill–Sachs lesion and the other for the reverse Hill–Sachs lesion. The allograft wedges are fixed into each lesion with 3.5 mm cannulated headless compression screws (Acumed Acutrak headless compression screw system; Hillsboro, OR). The subscapularis is repaired via transosseous suture repair.

Dataset Information

Concomitant Reverse Hill-Sachs Lesion and Posterior Humeral Avulsion of the Glenohumeral Ligament: Treatment With Fresh Talus Osteochondral Allograft and Arthroscopic Posterior Humeral Avulsion of the Glenohumeral Ligament and Labrum Repair.

Publications

Concomitant Reverse Hill-Sachs Lesion and Posterior Humeral Avulsion of the Glenohumeral Ligament: Treatment With Fresh Talus Osteochondral Allograft and Arthroscopic Posterior Humeral Avulsion of the Glenohumeral Ligament and Labrum Repair.

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