AANA19 Shoulder Access Pass-Biomechanical Comparison of Single- and Double-Row Repair Techniques for Acute Bony Bankart Lesions-Dr. Ilya Voloshin, M.D.

Biomechanical Comparison of Single- and Double-Row Repair Techniques for Acute Bony Bankart Lesions-Dr. Ilya Voloshin, M.D.

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Video Transcription

Video Summary

The video discusses bony bankart repairs and the biomechanics behind them. The single and double row technique for repairing bony bankart lesions is described, along with its biomechanical testing. The previous studies focused on tensile forces, but the video introduces the concept of concavity compression, which has not yet been tested. The hypothesis is that the double row technique will provide more stable fragment fixation. The study involved testing 25% glenoid defects on 13 matched cadavers, with half repaired using the double row technique and the other half using the single row technique. The results showed that the double row technique resulted in significantly less displacement and fracture displacement compared to the single row. The video also mentions the presence of cartilage loss on the humeral head when the suture is on the glenoid's articular cartilage. The double row technique was shown to increase cartilage loss compared to the single row technique. Despite being biomechanically superior, the double row technique leads to more cartilage damage, highlighting the need for innovative arthroscopic techniques that can avoid cartilage damage in patients.

Asset Caption

Concurrent Scientific Session II: Shoulder Paper Presentations 5.4.2019

Keywords

bony bankart repairs

biomechanics

double row technique

cartilage loss

arthroscopic techniques