Magnetic Resonance Imaging is not suitable for interpretation of meniscal status ten years after arthroscopic repair |
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Authors: | Nicolas Pujol Nicolas Tardy Philippe Boisrenoult Philippe Beaufils |
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Institution: | 1. Orthopaedic Department, Centre Hospitalier de Versailles, Le Chesnay, France
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Abstract: | PurposeThe purpose of this study was to assess the MRI features of the all-inside repaired meniscus in the long-term.MethodsAmong 27 consecutive all-inside arthroscopic meniscal repairs, 23 patients aged 25?±?5 years at the time of surgery were reviewed at a median follow-up of 10?±?1 years. Retrospective clinical examinations and imaging assessments using a 1.5-T MRI after all-inside arthroscopic meniscal repair were conducted.ResultsAt follow-up, Lysholm and IKDC averaged 89?±?11 and 95?±?8, respectively. MRI examinations revealed no meniscal signal alteration in three patients (13 %), a vertical signal located in the previously torn area in seven (30 %), a horizontal grade 3 in nine (39 %), and a complex tear (grade 4) in four (17.5 %). There were no differences between medial and lateral menisci (p?=?0.15), stable and stabilised knees (p?=?0.56).ConclusionsSeveral abnormal vertical and/or horizontal hypersignals are still present on MRI examination ten years after arthroscopic all-inside meniscal repair. The appearance of early signs of osteoarthritis is rare, suggesting a chondroprotective effect of the repaired meniscus. |
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Keywords: | Meniscus Meniscus repair Arthroscopic meniscus repair All inside meniscus repairs MRI examinations Meniscus tears |
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