Operative Results of Osteochondritis Dissecans in the Knee Joints
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概要
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Objective : When the conservative treatment failed after at least for 3 months, we make surgical intervention on the osteochondritis dissecans in the knee joints. We examined the operative outcome of operative treatment.<BR>Materials and Methods : 25 patients (26 knee joints) were 21 men 4 women, 13 right knees and 13 left ones. The mean operative age was 16.4 years-old (range 10 to 27 years-old), and the mean follow-up periods was 21.0 months (range 7 to 115 months) . We used ICRS classification for the assessment of the area of the lesion, the starting time of running, recovery time of sports, recovery level of sports and knee pain at follow-up.<BR>Results : In arthroscopic drilling, there were 5 patients. The mean operative age was 13.0 years. All cases were stage I on ICRS classification. The area of lesion was 190 mm<SUP>2</SUP>, and in turn 2.1 months, 4.7 months, 98% and no knee pain. In fixation with absorbable pins, there were 3 patients. The mean operative age was 17.7 years. All cases were stage II on ICRS. The area of lesion was 367mm<SUP>2</SUP>, and in turn 3.0 months, 6.3 months, 90%, and only 1 patient complained occasionally slightly knee pain. In biological fixation with osteochondral plugs, there were 3 patients. The mean operative age was 14.7 years. At ICRS, 1 in stage II and 2 in stage III. The area of lesion was 417mm<SUP>2</SUP>, and in turn 3.0 months, 4.7 months, 86.7% and no knee pain. In osteochondral grafts, there were 14 patients. The mean operative age was 18.8 years. 6 patients were in stage III and 8 patients were in stage IV on ICRS. The area of lesion was 244.7mm<SUP>2</SUP>, and in turn 4.6 months, 6.3 months, 97.5% and only 1 patient complained occasionally of slightly knee pain.<BR>Conclusion : The operative treatments we chose had good clinical outcome including sports performance.
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