Abstract
Background
Failure of initial treatment for juvenile osteochondritis dissecans (OCD) may require further surgical intervention, including microfracture, autograft chondrocyte implantation, osteochondral autografting, and fresh osteochondral allografting. Although allografts and autografts will restore function in most adults, it is unclear whether fresh osteochondral allograft transplantations similarly restore function in skeletally immature patients who failed conventional treatment.
Questions/purposes
Therefore, we determined function in (1) daily activity; (2) sports participation; and (3) healing (by imaging) in children with juvenile OCD who failed conventional therapy and underwent fresh osteochondral allograft transplantation.
Methods
We retrospectively reviewed 11 children with OCD of the knee treated with a fresh stored osteochondral allograft between 2004 and 2009 (six males and five females). The average age of the children at the time of their allograft surgery was 15.2 years (range, 13–20 years). The clinical assessments included physical examination, radiography, MRI, and a modified Merle D’Aubigné-Postel score. The size of the allograft was an average of 5.11 cm2. The minimum followup was 12 months (average, 24 months; range, 12–41 months).
Results
All patients had returned to activities of daily living without difficulties at 6 months and returned to full sports activities between 9 and 12 months after surgery. The modified Merle D’Aubigné-Postel score improved from an average of 12.7 preoperatively to 16.3 at 24 months postoperatively. Followup radiographs at 2 years showed full graft incorporation and no demarcation between the host and graft bone.
Conclusions
Our observations suggested fresh osteochondral allografts restored short-term function in patients with juvenile OCD who failed standard treatments.
Level of Evidence
Level IV, case series. See Guidelines for Authors for a complete description of levels of evidence.
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Acknowledgments
We thank Mr Marquez-Barrientos and Mrs McKeon for assisting with data recording and photograph preparations.
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Each author certifies that he or she, or a member of their immediate family, has no commercial associations (eg, consultancies, stock ownership, equity interest, patent/licensing arrangements, etc) that might pose a conflict of interest in connection with the submitted article.
All ICMJE Conflict of Interest Forms for authors and Clinical Orthopaedics and Related Research editors and board members are on file with the publication and can be viewed on request.
Each author certifies that his or her institution approved the human protocol for this investigation, that all investigations were conducted in conformity with ethical principles of research, and that informed consent for participation in the study was obtained.
This work was performed at Children’s Hospital of Wisconsin, Medical College of Wisconsin, Milwaukee, WI, USA; and Elite Sports Medicine, Connecticut Children’s Farmington, CT, USA.
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Lyon, R., Nissen, C., Liu, X.C. et al. Can Fresh Osteochondral Allografts Restore Function in Juveniles With Osteochondritis Dissecans of the Knee?. Clin Orthop Relat Res 471, 1166–1173 (2013). https://doi.org/10.1007/s11999-012-2523-0
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DOI: https://doi.org/10.1007/s11999-012-2523-0