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How long osteochondral allografts lastFresh osteochondral allografts achieve approximately 82–86% graft survival at five years and roughly 70% beyond 20 years; outcomes depend substantially on patient BMI, prior knee surgery, and adherence to structured post-operative support.Fresh osteochondral allografts achieve approximately 82–86% graft survival at five years and roughly 70% beyond 20 years; outcomes depend substantially on patient BMI, prior knee surgery, and adherence to structured post-operative support.
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Who qualifies for MACI knee surgery?Patients aged 18–55 with deep focal cartilage damage (Grade III-IV, >2 cm²) qualify for MACI if their knees are structurally sound—stable ligaments, correct alignment, no generalised osteoarthritis—and conservative treatment has failed. The procedure is two-stage, with extended rehabilitation required.Patients aged 18–55 with deep focal cartilage damage (Grade III-IV, >2 cm²) qualify for MACI if their knees are structurally sound—stable ligaments, correct alignment, no generalised osteoarthritis—and conservative treatment has failed. The procedure is two-stage, with extended rehabilitation required.
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OATS for Osteochondral Lesions of the TalusLesions larger than approximately 150 mm² fail bone marrow stimulation treatment 97% of the time. OATS transplants genuine hyaline cartilage to replace the weakening fibrocartilage scar that microfracture produces in larger defects.Lesions larger than approximately 150 mm² fail bone marrow stimulation treatment 97% of the time. OATS transplants genuine hyaline cartilage to replace the weakening fibrocartilage scar that microfracture produces in larger defects.
