Osteochondral Allograft Transplantation for Full-Thickness Chondral Defect Utilizing BioUni Technique

• Published in: Video journal of sports medicine 2022-06, Vol.2 (4)
• Main Authors: Campbell, Michael P., Sonnier, John Hayden, Freedman, Kevin B.
• Format: Article
• Language: English
• ISSN: 2635-0254; 2635-0254
• DOI: 10.1177/26350254221102459

Background: There are several techniques to treat chondral defects. Osteochondral allograft transplantation is an excellent option, and for elongated lesions, there are 2 techniques—the Snowman technique and the BioUni technique. Indications: Osteochondral allograft transplantation is indicated for active individuals with isolated, symptomatic full-thickness chondral defects without concomitant ligamentous injury or malalignment. Technique Description: The lesion on the native condyle is sized. A plug is then harvested from the allograft using a cutting block and sagittal saw. The recipient site is then prepared with an overlapping reamer system with a cutting block. Graft is then implanted in a press-fit manner. Results: Osteochondral allograft transplantation leads to improved patient-reported outcomes. The literature has demonstrated survival rates between 70% and 80% at 10 years. Discussion/Conclusion: Osteochondral allograft transplantation is a restorative cartilage treatment that has good clinical outcomes. The BioUni system is a good option for irregular or elongated lesions. Graphical Abstract This is a visual representation of the abstract.