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Arthroscopic Reduction and Balloon Humeroplasty in the Treatment of Acute Hill-Sachs Lesions.

ABSTRACT: Shoulder instability is often associated with an impaction fracture of the humeral head, commonly referred to as a "Hill-Sachs lesion." This lesion is present in both anterior and posterior instability. Forty percent to 90% of anterior shoulder dislocations have associated Hill-Sachs lesions, whereas 29% to 86% of posterior shoulder dislocations have reverse Hill-Sachs lesions. Both of these lesions can contribute to recurrent instability of the shoulder and require surgery to be treated. Currently, the most common procedures to address Hill-Sachs lesions are the remplissage procedure (transfer of the infraspinatus into the posterior humeral head defect), capsular shift, disimpaction technique, humeral head resurfacing, bone block transfer, or shoulder arthroplasty. Reverse Hill-Sachs lesions are managed with similar procedures, such as the remplissage-equivalent technique described by McLaughlin, which involves transfer of the subscapularis tendon to fill the humeral head defect. The procedure has the advantage of "exteriorizing" the humeral head defect, but in the case of large lesions, it can result in significant loss of the articulating articular surface. The purpose of this article is to describe an arthroscopically assisted disimpaction technique with supplemental grafting using a balloon osteoplasty technique for a reverse Hill-Sachs lesion with bone cement to support and maintain the reduction.

SUBMITTER: Ratner D

PROVIDER: S-EPMC5263854 | biostudies-literature | 2016 Dec

REPOSITORIES: biostudies-literature

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Arthroscopic Reduction and Balloon Humeroplasty in the Treatment of Acute Hill-Sachs Lesions.

Ratner Drew D Backes Jeffrey J Tokish John M JM

Arthroscopy techniques 20161121 6

Shoulder instability is often associated with an impaction fracture of the humeral head, commonly referred to as a "Hill-Sachs lesion." This lesion is present in both anterior and posterior instability. Forty percent to 90% of anterior shoulder dislocations have associated Hill-Sachs lesions, whereas 29% to 86% of posterior shoulder dislocations have reverse Hill-Sachs lesions. Both of these lesions can contribute to recurrent instability of the shoulder and require surgery to be treated. Curren ...[more]

PMID: 28149732

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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

Arthroscopic Reduction and Balloon Humeroplasty in the Treatment of Acute Hill-Sachs Lesions.

Publications

Arthroscopic Reduction and Balloon Humeroplasty in the Treatment of Acute Hill-Sachs Lesions.

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