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Osteochondral Allografts in Shoulder Surgical Procedures
Nicholas M Capito1, Brett D Owens2, Seth L Sherman3
1Brown University, Providence, Rhode Island.
JBJS Reviews
|December 7, 2016
Summary
Fresh osteochondral allografts show promise in shoulder joint preservation, particularly distal tibial grafts for glenoid instability and humeral grafts for Hill-Sachs lesions. Careful planning and patient selection are crucial for optimizing outcomes.
Area of Science:
- Orthopaedic Surgery
- Regenerative Medicine
- Biomaterials Science
Background:
- Osteochondral allografts are increasingly utilized in joint-preserving orthopaedic procedures.
- Early results in shoulder applications demonstrate promising outcomes.
- Specific allograft sources offer unique advantages for shoulder reconstruction.
Purpose of the Study:
- To evaluate the utility of fresh osteochondral allografts in various shoulder joint-preserving procedures.
- To highlight the suitability of distal tibial allografts for glenoid reconstruction and humeral head allografts for large Hill-Sachs defects.
- To discuss considerations and recommendations for glenoid osteochondral grafting.
Main Methods:
- Review of current literature and clinical applications of osteochondral allografts in shoulder surgery.
- Analysis of anatomical congruence and biomechanical properties of different allograft sources.
- Discussion of surgical considerations, including graft preparation and fixation techniques.
Main Results:
- Distal tibial allografts exhibit favorable curvature for glenoid reconstruction, addressing instability.
- Humeral head osteochondral allografts are effective in restoring native joint geometry for large Hill-Sachs lesions.
- Glenoid osteochondral grafting requires careful consideration of graft depth and press-fit challenges, necessitating advanced imaging.
Conclusions:
- Fresh osteochondral allografts represent a viable option for joint preservation in the shoulder.
- Appropriate allograft selection (e.g., distal tibial for glenoid, humeral head for Hill-Sachs) is critical for successful outcomes.
- Optimizing outcomes necessitates meticulous patient selection, preoperative planning, and realistic expectation management, supported by long-term follow-up data.
