Inclusion criteria | Exclusion criteria |
---|---|
-Age 18–50 years old | -Osteoarthritis, rheumatoid or other systemic arthritis |
-Single symptomatic cartilage defect on medial or lateral femoral condyle or trochlea | -Malalignment >5° measured on HKA images |
-Defect size larger than 2 cm2 | -No radiological osteoarthritis |
-Lesion graded ICRS 3–4 | -Obesity (Body mass index > 30) |
- > 50 % intact meniscus | -Comorbidities that may influence surgery or rehabilitation |
-Ligamentous stable knee | -Pregnancy |
-Acceptable range of motion (5–105°) | -Inability to complete questionnaires or rehabilitation |
-Lysholm score < 75 | -Serious alcohol or drug abuse |
-Informed consent | -Previous surgery to the chondral defect except OCD surgery |