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osteochondral graft
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Orthopaedics
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Allograft or Autograft for Large Knee Cartilage Defects
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Miss Sophie Harris
1/7/2026
Allograft or Autograft for Large Knee Cartilage Defects
Defect size is the primary determinant in knee cartilage repair: below 4 cm², autograft transfer from low-load zones is standard; above that threshold, cadaveric allograft removes the biological supply ceiling.Defect size is the primary determinant in knee cartilage repair: below 4 cm², autograft transfer from low-load zones is standard; above that threshold, cadaveric allograft removes the biological supply ceiling.
OATS and Mosaicplasty for Knee Cartilage Repair
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Miss Sophie Harris
23/6/2026
OATS and Mosaicplasty for Knee Cartilage Repair
OATS delivers genuine hyaline cartilage — the knee's native resilient material — to repair focal defects in one operation; marrow-stimulation techniques like microfracture instead produce fibrocartilage, scar-like tissue that begins to break down within two to three years under athletic demand.OATS delivers genuine hyaline cartilage — the knee's native resilient material — to repair focal defects in one operation; marrow-stimulation techniques like microfracture instead produce fibrocartilage, scar-like tissue that begins to break down within two to three years under athletic demand.
When cartilage repair is the right choice
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Miss Sophie Harris
16/6/2026
When cartilage repair is the right choice
Cartilage repair succeeds for a focal defect in otherwise healthy joint tissue in younger patients, but fails in diffuse arthritis. Lesion size, depth, patient age, and activity level determine the appropriate technique.Cartilage repair succeeds for a focal defect in otherwise healthy joint tissue in younger patients, but fails in diffuse arthritis. Lesion size, depth, patient age, and activity level determine the appropriate technique.
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