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Scaffold-based repair for cartilage healing: a systematic review and technical note
Giuseppe Filardo1, Elizaveta Kon, Alice Roffi
1Biomechanics Lab, Rizzoli Orthopaedic Institute, Bologna, Italy.
Summary
Scaffold-based treatments show promise for knee cartilage repair, but more high-quality studies are needed. Current research highlights emerging 1-step procedures for simpler, cost-effective cartilage regeneration.
Area of Science:
- Orthopedic Surgery
- Regenerative Medicine
- Biomaterials Science
Background:
- Chondral and osteochondral knee lesions represent a significant clinical challenge.
- Current treatment options for articular cartilage defects have limitations.
- Scaffold-based approaches offer a potential avenue for cartilage repair and regeneration.
Purpose of the Study:
- To systematically review surgical options and outcomes for treating knee chondral and osteochondral lesions using scaffolds.
- To evaluate the efficacy of scaffold-based repair for articular surface healing.
Main Methods:
- Systematic review of English-language studies on cartilage scaffold-based treatments.
- Inclusion criteria: Levels I-IV evidence, functional/clinical outcomes, knee cartilage lesions, minimum 2-year follow-up.
- Analysis of study types (randomized, comparative, case series/reports) and procedural steps (1-step vs. 2-step).
Main Results:
- A notable increase in publications from 1995 to 2012, with 51 selected articles.
- The majority of studies (40) focused on 2-step procedures, while 11 explored 1-step methods.
- Evidence levels included 3 randomized studies, 10 comparative studies, 33 case series, and 5 case reports.
Conclusions:
- Scaffold-based regenerative procedures are emerging for chondral lesion treatment.
- A lack of well-designed, long-term studies necessitates further rigorous investigation.
- Randomized controlled trials are crucial to validate efficacy compared to traditional treatments; 1-step strategies aim for procedural simplification and cost reduction.
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