:format(webp)/cdn.mskdoctors.com/storage/2026/8/o5ovKxl85s6GjqXO0lxghkOnYgKV4rkk.jpg)
AMIC versus ACI for knee cartilage repairAMIC completes knee cartilage repair in a single operation using bone-marrow stem cells held by a collagen scaffold; ACI requires two procedures to culture and reimplant the patient's own cartilage cells. A 2024 meta-analysis found outcomes between the two approaches broadly equivalent.AMIC completes knee cartilage repair in a single operation using bone-marrow stem cells held by a collagen scaffold; ACI requires two procedures to culture and reimplant the patient's own cartilage cells. A 2024 meta-analysis found outcomes between the two approaches broadly equivalent.
:format(webp)/cdn.mskdoctors.com/storage/2026/8/KrFVoOQZ12jhh6MLUrwKAQtNJok3RQHr.jpg)
Knee Cartilage Repair and PreservationArticular cartilage lacks blood vessels, so when damaged it forms fibrocartilage—a mechanically inferior scar tissue that typically deteriorates within two to three years. This biological constraint shapes every treatment option, from temporary symptom relief to procedures attempting true cartilage regeneration.Articular cartilage lacks blood vessels, so when damaged it forms fibrocartilage—a mechanically inferior scar tissue that typically deteriorates within two to three years. This biological constraint shapes every treatment option, from temporary symptom relief to procedures attempting true cartilage regeneration.
:format(webp)/cdn.mskdoctors.com/storage/2026/8/HNjIITnLfDPcylo4yz0VBys38PlWW8b6.jpg)
Is MACI Knee Surgery Worth It?MACI harvests, cultures, and implants the patient's own cartilage cells across two surgeries weeks apart. It delays knee replacement—7.4% progression over a decade—but requires 12–18 months of recovery and works best for younger patients with focal defects of 3 cm² or more.MACI harvests, cultures, and implants the patient's own cartilage cells across two surgeries weeks apart. It delays knee replacement—7.4% progression over a decade—but requires 12–18 months of recovery and works best for younger patients with focal defects of 3 cm² or more.
:format(webp)/cdn.mskdoctors.com/storage/2026/8/5yqtnO9k0Fj59GMzO0kP7LWXrqltF5su.jpg)
When knee pain needs an orthopaedic assessmentMost knee pain settles with rest and physiotherapy; the threshold for orthopaedic assessment is persistent dysfunction despite weeks of conservative care, or acute structural changes—and assessment maps options rather than commits to surgery.Most knee pain settles with rest and physiotherapy; the threshold for orthopaedic assessment is persistent dysfunction despite weeks of conservative care, or acute structural changes—and assessment maps options rather than commits to surgery.
:format(webp)/cdn.mskdoctors.com/storage/2026/8/D2kqxeavVUcZNASzOXi8rxUp6cWpjo8e.jpg)
High tibial osteotomy as a first step in knee preservationHigh tibial osteotomy repositions the tibia to shift weight-bearing from damaged inner knee cartilage to the healthier outer compartment. For younger, active patients, the procedure preserves the natural joint and potentially extends its working life by a decade or more.High tibial osteotomy repositions the tibia to shift weight-bearing from damaged inner knee cartilage to the healthier outer compartment. For younger, active patients, the procedure preserves the natural joint and potentially extends its working life by a decade or more.
:format(webp)/cdn.mskdoctors.com/storage/2026/8/eDBqkRJ5A1r3cEbE6i9pXLmSRpW9KXTA.jpg)
ACI versus MACI for Knee Cartilage RepairMACI seeds cultured cartilage cells onto a porcine-collagen scaffold fixed with fibrin glue; ACI injects them as liquid suspension sealed with a sutured flap. This mechanical difference determines recovery time, complication risk, and surgical complexity.MACI seeds cultured cartilage cells onto a porcine-collagen scaffold fixed with fibrin glue; ACI injects them as liquid suspension sealed with a sutured flap. This mechanical difference determines recovery time, complication risk, and surgical complexity.
:format(webp)/cdn.mskdoctors.com/storage/2026/8/FEda3Z8zPavpj6fyME29Nts2lLeujPFQ.jpg)
Knee cartilage repair versus stem cell therapyEstablished cartilage repair using autologous chondrocytes shows 10–17 year durability for focal knee defects; mesenchymal stem cell therapies have not been tested in large-scale trials against them.Established cartilage repair using autologous chondrocytes shows 10–17 year durability for focal knee defects; mesenchymal stem cell therapies have not been tested in large-scale trials against them.
:format(webp)/cdn.mskdoctors.com/storage/2026/8/Xc2EYraU36Mqzzl7yRSHjrrwbnM4pNVP.jpg)
ChondroFiller™ durability compared with ArthrosamidChondroFiller™ recruits the patient's own progenitor cells to build new cartilage tissue within a collagen scaffold. Three-year published follow-up shows mean IKDC scores of 80 — a 32.4-point improvement from baseline — with durability reported to extend beyond five years.ChondroFiller™ recruits the patient's own progenitor cells to build new cartilage tissue within a collagen scaffold. Three-year published follow-up shows mean IKDC scores of 80 — a 32.4-point improvement from baseline — with durability reported to extend beyond five years.
:format(webp)/cdn.mskdoctors.com/storage/2026/8/ajd7Q7q2RJYD8uAV9VctMyhc2cCa8ayh.jpg)
OATS Mosaicplasty Knee Recovery TimelineFull recovery from OATS mosaicplasty spans 6–12 months, extending to 12–18 months for competitive sport, because transplanted bone-and-cartilage plugs require time for biological integration and graft maturation.Full recovery from OATS mosaicplasty spans 6–12 months, extending to 12–18 months for competitive sport, because transplanted bone-and-cartilage plugs require time for biological integration and graft maturation.
:format(webp)/cdn.mskdoctors.com/storage/2026/8/Sw4oQf2mna5fkZ0kFwobf42ajcOyNZiY.jpg)
Ten-Year Success Rates for OATS MosaicplastyTen-year success rates for OATS mosaicplasty span 72–89% in young, active patients; failure rates drop to 12.5–14% in optimal candidates (under 40, lesion under 3 cm²) but rise to 38–40% in older patients with larger defects.Ten-year success rates for OATS mosaicplasty span 72–89% in young, active patients; failure rates drop to 12.5–14% in optimal candidates (under 40, lesion under 3 cm²) but rise to 38–40% in older patients with larger defects.
:format(webp)/cdn.mskdoctors.com/storage/2026/8/iVkAeySfTXIy2JOZ11BErGf2bexg8dSF.jpg)
ChondroFiller injection for knee cartilage defectsThe injected collagen scaffold gels in place and recruits the body's own progenitor cells to repair the cartilage defect without surgery or general anaesthetic. Functional scores improve from 48 to 80 on the IKDC scale over three years in independent European cohorts, with most of that improvement within six months.The injected collagen scaffold gels in place and recruits the body's own progenitor cells to repair the cartilage defect without surgery or general anaesthetic. Functional scores improve from 48 to 80 on the IKDC scale over three years in independent European cohorts, with most of that improvement within six months.
:format(webp)/cdn.mskdoctors.com/storage/2026/8/tvMjfKjLABdhRGs2LCmiONtEq1Ne2PeG.jpg)
Medial knee pain that isn't a meniscus tearAround 850,000 meniscal surgeries are performed annually in the United States, yet five other structures in the medial knee generate pain so similar that clinicians commonly mistake them for meniscal tears.Around 850,000 meniscal surgeries are performed annually in the United States, yet five other structures in the medial knee generate pain so similar that clinicians commonly mistake them for meniscal tears.
