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Long-term outcome and athletic level following operative treatment for osteochondritis dissecans of the knee in pediatric and adolescent patients

Research on the long-term outcomes following surgical therapy for osteochondritis dissecans (OCD) of the knee is scarce. A single-center retrospective cohort study was conducted to investigate surgically treated patients for knee OCD between 1993 and 2007. A total of 37 patients with an average foll...

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Main Authors: Bangert, Yannic (Author) , Zarembowicz, Patrick (Author) , Engelleiter, Karoly (Author) , Gkarilas, Evangelos (Author) , Schmitt, Holger (Author) , Renkawitz, Tobias (Author) , Jaber, Ayham (Author)
Format: Article (Journal)
Language:English
Published: 20 June 2023
In: Journal of Clinical Medicine
Year: 2023, Volume: 12, Issue: 12, Pages: 1-12
ISSN:2077-0383
DOI:10.3390/jcm12124140
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.3390/jcm12124140
Verlag, lizenzpflichtig, Volltext: https://www.mdpi.com/2077-0383/12/12/4140
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Author Notes:Yannic Bangert, Patrick Zarembowicz, Karoly Engelleiter, Evangelos Gkarilas, Holger Schmitt, Tobias Renkawitz and Ayham Jaber

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520 |a Research on the long-term outcomes following surgical therapy for osteochondritis dissecans (OCD) of the knee is scarce. A single-center retrospective cohort study was conducted to investigate surgically treated patients for knee OCD between 1993 and 2007. A total of 37 patients with an average follow-up duration of 14 years (range 8-18) were in the final cohort. IKDC and Lysholm scores were assessed. The duration and types of sport activity were reported. Long-term results were compared with existing midterm data. Knee scores showed a very good outcome with a mean of 91.3 in the IKDC score and 91.7 in the Lysholm score. Compared to midterm outcomes, both IKDC (p = 0.028) and Lysholm scores (p = 0.01) improved on final follow-up. Patients with open physes showed a significantly better Lysholm score compared to patients with closed physes (p = 0.034). Defect localization and size did not influence the outcome, but a defect depth of <0.8 cm2 achieved significantly better scores than ≥0.8 cm2. Of all surgical interventions, refixation achieved the best outcome. Long-term results significantly improved compared to midterm results with a follow-up of 40 months (p = 0.01). Thirty-six out of 37 patients were physically active, with 56% of sports being knee-straining activities. Long-term results following surgically treated OCD fragments show excellent function and a good athletic level. Patients with open physes potentially have better knee outcomes. Midterm results are sustainable and could improve further in the long term. 
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