ArticleKnee surgery, sports traumatology, arthroscopy : official journal of the ESSKA2025
AMIC achieves sustained clinical improvement in isolated patellar cartilage defects over 5 years, correlating with MRI.
Article in Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Rehabilitation of the Knee After Autologous Matrix-Induced Chondrogenesis: A Systematic Review of Rehabilitation Protocols and Clinical and Radiological Outcomes.Orthopaedic journal of sports medicine · 2025Review
- [Patellar cartilage repair-current concepts and evidence].Orthopadie (Heidelberg, Germany) · 2025Review
- AMIC achieves sustained clinical improvement in isolated patellar cartilage defects over 5 years, correlating with MRI.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2025Article
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9 authors.
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Abstract
purposeTo evaluate 5-year postoperative clinical outcomes of autologous matrix-induced chondrogenesis (AMIC) for isolated ICRS grade 3-4 patellar cartilage defects and correlate outcomes with magnetic resonance imaging (MRI). The hypothesis was that AMIC would improve clinical symptoms and induce neocartilage formation, visible on MRI, making it a safe and effective option for repairing focal patellar cartilage defects.
methodsThe cohort comprised 13 focal patellar lesions in 12 patients. Pain visual analogue scale (VAS), Knee Injury and Osteoarthritis Outcome Score (KOOS), Kujala score, EuroQol-5D Health Survey questionnaire and MRI data were assessed preoperatively and at 2 and 5 years postoperatively. All MRI scans were evaluated using the Magnetic Resonance Observation of Cartilage Repair Tissue System. Descriptive statistics were calculated on all data. Inferential analysis comparing outcome scores before and after surgery employed the nonparametric Wilcoxon signed-rank test, with the nonparametric Friedman test used to detect differences across multiple test attempts. p < 0.05 was considered statistically significant.
resultsTwelve patients (23-52 years old) with patellofemoral chondral full-thickness defects (2-4 cm
conclusionsSatisfactory clinical outcomes and new cartilage formation, as observed by MRI, are achieved with AMIC at mid-term follow-up for ICRS grade 3-4 in small-to-medium-sized patellar defects in patients under 52 years of age, with improvements maintained for up to 5 years. LEVEL OF EVIDENCE: Level III.
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