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Acellular Particulated Costal Allocartilage Improves Cartilage Regeneration in High Tibial Osteotomy: Data From a Randomized Controlled Trial.

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This study aimed to compare short-term arthroscopic and clinical outcomes between microfractures with (treatment group) and without (control group) acellular particulated costal allocartilage in patients undergoing concurrent high tibial osteotomy (HTO).
This retrospective cohort study enrolled 19 and 21 patients in the treatment and control groups, respectively, and reviewed them at a minimum 2-year follow-up after HTO. Cartilage regeneration status was evaluated according to the International Cartilage Repair Society-Cartilage Repair Assessment (ICRS-CRA) grading and Koshino’s macroscopic staging systems during medial locked plate removal. Patient-reported measures, including the visual analog scale pain score, Knee Injury and Osteoarthritis Outcome Score, and International Knee Documentation Committee score, assessed clinical outcomes.
The total points of the ICRS-CRA grading system were significantly higher in the treatment group than in the control group (7.7 ± 3.8 vs 4.2 ± 3.0, respectively; = 0.007). Likewise, the cartilage status according to Koshino’s macroscopic staging system was better in the treatment group ( = 0.022). Patient-reported functional outcomes significantly improved postoperatively but were equivalent between the study groups at the final follow-up.
Microfractures augmented with acellular particulated costal allocartilage resulted in better repair quality than microfractures alone at a minimum 2-year follow-up after HTO, but functional outcomes improved similarly for both treatment approaches.

The post Acellular Particulated Costal Allocartilage Improves Cartilage Regeneration in High Tibial Osteotomy: Data From a Randomized Controlled Trial. first appeared on Physician's Weekly.


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