Dataset Information

Use of a Cutting Instrument for Fresh Osteochondral Distal Tibia Allograft Preparation: Treatment of Glenoid Bone Loss.

ABSTRACT: Glenoid bone loss presents a major risk for glenohumeral instability that has been well recognized as a cause of instability recurrence after attempted Bankart repair, and although most surgeons consider the Latarjet procedure as the gold standard, failures can occur with this technique as well and the search for alternative grafts to address glenoid bone loss is a major topic of ongoing research in the field. Of these techniques, the distal tibia allograft (DTA) has been shown to provide an excellent option to restore glenoid biomechanics, due to its congruency with the humeral head, dense bony quality, and the facility of harvest. The correct preparation of the DTA is essential to provide the most anatomic reconstruction possible and to avoid damage to the graft. The purpose of this Technical Note is to present our technique for cutting the DTA in detail, using a special workstation to optimize this procedure.

SUBMITTER: Ferrari MB

PROVIDER: S-EPMC5442963 | biostudies-literature | 2017 Apr

REPOSITORIES: biostudies-literature

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Use of a Cutting Instrument for Fresh Osteochondral Distal Tibia Allograft Preparation: Treatment of Glenoid Bone Loss.

Ferrari Marcio B MB Sanchez Anthony A Sanchez George G Akamefula Ramesses R Kruckeberg Bradley M BM Provencher Matthew T MT

Arthroscopy techniques 20170327 2

Glenoid bone loss presents a major risk for glenohumeral instability that has been well recognized as a cause of instability recurrence after attempted Bankart repair, and although most surgeons consider the Latarjet procedure as the gold standard, failures can occur with this technique as well and the search for alternative grafts to address glenoid bone loss is a major topic of ongoing research in the field. Of these techniques, the distal tibia allograft (DTA) has been shown to provide an exc ...[more]

PMID: 28580254

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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

Use of a Cutting Instrument for Fresh Osteochondral Distal Tibia Allograft Preparation: Treatment of Glenoid Bone Loss.

Publications

Use of a Cutting Instrument for Fresh Osteochondral Distal Tibia Allograft Preparation: Treatment of Glenoid Bone Loss.

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