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Unestable knee osteochondritis dissecans: Arthroscopic fixation with bio-absorbable device

Knee Ostheochondritis Dissecans is an osteochondral disease, whose treatment is still debated. The purpose this study was to analyze the patients attached with bioabsorbable nail, assisted by arthroscopy. Analysis was performed using median and interquartile range (P25–P75), with a follow-up of 9 pa...

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Published in:Revista española de cirugía ortopédica y traumatología 2021-11, Vol.65 (6), p.408-416
Main Authors: Bogallo, J.M., Godino Izquierdo, M., Dalla-Rosa, J., Ramos González, L., Arjona Diaz, M., Guerado, E.
Format: Article
Language:English
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Summary:Knee Ostheochondritis Dissecans is an osteochondral disease, whose treatment is still debated. The purpose this study was to analyze the patients attached with bioabsorbable nail, assisted by arthroscopy. Analysis was performed using median and interquartile range (P25–P75), with a follow-up of 9 patients (10 knees) operated for stage III osteochondral lesions. After a minimum of 12 months, the KOOS, IKDC, satisfaction questionnaires were evaluated and a MR control was performed. Bone healing was observed in 80% of patients in the first year, with a delay in union in 20%. The median for age was 15 years. The average follow-up was 5′93 years. All cases were located in the internal condyle. The OCD lesions did not show comminution or necrosis. The 40% of stable lesions, according to preoperative MR, were unestable in arthroscopy and it were attached with internal nail. Two groups of osteochondral lesions were differentiated: juvenile OCD (60%) and adult OCD (40%); all of them were stage III lesions. IKDC questionnaire results were an improvement of 29′5 (22′25, 37′52). In the KOOS questionnaire, an improvement was obtained in symptoms of 18′07, in pain of 29′12, in daily living 25′53, in function (sports, recreational activities) of 35 and in quality of life of 34′42. The bioabsorbable nail is a valid, reproducible option for unestable entire lesions, with an improvement in function, quality of life, and with a low rate of complications. La osteocondritis disecante (OCD) de rodilla es una patología osteoarticular, cuyo tratamiento aún sigue estando debatido. Nuestro objetivo fue analizar los pacientes intervenidos mediante fijación interna con implante bioabsorbible, asistido por artroscopia. Se realizó análisis utilizando mediana y rango intercuartílico (P25–P75), con un seguimiento de 9 pacientes (10 rodillas) intervenidos con fijación por lesión osteocondral grado III. Tras un mínimo de 12 meses, fueron evaluados los cuestionarios KOOS, IKDC, la satisfacción y fue realizado un control de RNM. Se observó consolidación ósea por RNM en el 80% de las intervenciones en el primer año, con un retardo de consolidación en el 20%. La mediana para la edad fue de 15 años. La media de seguimiento fue de 5′93 años. Los 10 casos tuvieron localización en el cóndilo interno. Las OCD no presentaban conminución ni necrosis. El 40% de las lesiones valoradas preoperatoriamente en RNM como estables, se describieron como inestables bajo artroscopia, precisando fijación interna.
ISSN:1988-8856
1988-8856
DOI:10.1016/j.recote.2021.08.002