Dataset Information

Bipolar Bone Loss of the Shoulder Joint due to Recurrent Instability: Use of Fresh Osteochondral Distal Tibia and Humeral Head Allografts.

ABSTRACT: With increasing shoulder instability events, the likelihood of a bony lesion of the glenoid and/or humeral head rises. Although bone loss of either the glenoid or humeral head may result in recurrent instability, bipolar lesions have been shown, in particular, to result in a negative and additive effect on glenohumeral stability. In the case of a bipolar lesion comprising severe glenoid bone loss and an engaging, "off-track" Hill-Sachs lesion, the bony foundation of the glenohumeral joint is compromised and bony augmentation is necessary. We present our preferred technique, made up of the application of a distal tibia allograft to address the glenoid bone loss and humeral head allograft to address the Hill-Sachs lesion, for the treatment of a severe bipolar lesion in the setting of recurrent anterior shoulder instability after a failed Latarjet procedure.

SUBMITTER: Haber DB

PROVIDER: S-EPMC5495999 | biostudies-literature | 2017 Jun

REPOSITORIES: biostudies-literature

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Publications

Bipolar Bone Loss of the Shoulder Joint due to Recurrent Instability: Use of Fresh Osteochondral Distal Tibia and Humeral Head Allografts.

Haber Daniel B DB Sanchez Anthony A Sanchez George G Ferrari Marcio B MB Ferdousian Sami S Provencher Matthew T MT

Arthroscopy techniques 20170628 3

With increasing shoulder instability events, the likelihood of a bony lesion of the glenoid and/or humeral head rises. Although bone loss of either the glenoid or humeral head may result in recurrent instability, bipolar lesions have been shown, in particular, to result in a negative and additive effect on glenohumeral stability. In the case of a bipolar lesion comprising severe glenoid bone loss and an engaging, "off-track" Hill-Sachs lesion, the bony foundation of the glenohumeral joint is com ...[more]

PMID: 28706848

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Project description:BackgroundDistal tibia allograft reconstruction of the glenoid in shoulder instability has garnered significant attention over the last decade. Prior studies demonstrate significant improvement in all reported patient outcomes albeit the approach is through a subscapularis split. There have not been prior studies evaluating outcomes after lesser tuberosity osteotomy which provides excellent exposure to the anterior glenoid.We hypothesize there is significant improvement in functional outcomes and no deleterious effects after lesser tuberosity osteotomy for distal tibia allograft reconstruction of the glenoid for shoulder instability.MethodsA retrospective review was performed from 2016 of 2019 of patients undergoing distal tibia allograft reconstruction of the glenoid through a lesser tuberosity osteotomy. Patients were indicated if they had recurrent anterior shoulder instability with >20% glenoid bone loss and evidence of an off-track lesion. Clinical, imaging, and operative data were evaluated. Objective follow-up data evaluated at minimum 2 years included radiographs, range of motion, DASH, SANE, VAS, SST, ASES, and Constant scores.ResultsA total of 12 patients were available with average follow-up 28 months, average age 26 years old, and average glenoid bone loss of 33%. The patients demonstrated significant improvement in their clinical outcomes at final follow-up: DASH 42.9-8.9 (P = .004), SANE 32.2-85 (P = .00005), VAS 4.6-1.1 (P = .003), SST 7-11.4 (P = .01), ASES 50.2-90.5 (P = .001), and Constant 37.6-86.2 (P = .01). Range of motion at final follow-up was forward flexion to 161.4° (135-170°), external rotation 49.5° (40-65°), and internal rotation to T12-L1 (T7-L2) vertebral body.ConclusionThe present study demonstrates the effectiveness of a lesser tuberosity osteotomy in exposure of the glenoid for reconstruction with a distal tibia allograft. The functional integrity of the subscapularis is maintained and the patient-reported outcomes are comparable with current literature.

Dataset Information

Bipolar Bone Loss of the Shoulder Joint due to Recurrent Instability: Use of Fresh Osteochondral Distal Tibia and Humeral Head Allografts.

Publications

Bipolar Bone Loss of the Shoulder Joint due to Recurrent Instability: Use of Fresh Osteochondral Distal Tibia and Humeral Head Allografts.

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