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Microfracture versus Enhanced Microfracture Techniques in Knee Cartilage Restoration: A Systematic Review and
Hong-Jie Wen1, Li-Bo Yuan2, Hong-Bo Tan2
1Department of Orthopaedic Surgery, The Fourth Affiliated Hospital of Kunming Medical University, Kunming, China.
The Journal of Knee Surgery
|September 20, 2020
Summary
The microfracture augmented (MFx+) technique shows slight superiority over the standard microfracture (MFx) technique for knee cartilage defects, improving Lysholm scores and cartilage repair tissue quality. Further long-term studies are recommended.
Area of Science:
- Orthopedic surgery
- Regenerative medicine
- Biomaterials science
Background:
- Articular cartilage defects in the knee are a common cause of pain and disability.
- The microfracture (MFx) technique is a standard surgical option for treating these defects.
- The microfracture augmented (MFx+) technique is a modification aimed at improving outcomes.
Purpose of the Study:
- To compare the efficacy and safety of the MFx and MFx+ techniques for knee cartilage defects.
- To evaluate clinical outcomes and cartilage repair quality between the two surgical methods.
Main Methods:
- A systematic review and meta-analysis of randomized controlled trials.
- Searched PubMed and EMBASE databases (1950–2019).
- Included 13 trials with 635 patients; analyzed data using RevMan5.3.
Main Results:
- MFx+ demonstrated a significant improvement in Lysholm's score (SMD=0.26, p=0.04) compared to MFx.
- MFx+ also showed significantly better magnetic resonance observation of cartilage repair tissue scores (SMD=14.01, p<0.01).
- No significant differences were found in other clinical outcome scores (WOMI, IKDC, VAS, Tegner, Cincinnati, ICRS pain).
Conclusions:
- The microfracture augmented (MFx+) technique appears slightly superior to the standard microfracture (MFx) technique for treating articular cartilage defects in the knee.
- Improvements were noted in functional scores and cartilage repair quality with the MFx+ technique.
- Further research with long-term follow-up is necessary to fully elucidate the benefits of MFx+.
