• Acta Chir Belg · Nov 2004

    Randomized Controlled Trial Comparative Study Clinical Trial

    Treatment of deep cartilage defects of the knee using autologous chondrograft transplantation and by abrasive techniques--a randomized controlled study.

    • P Visna, L Pasa, I Cizmár, R Hart, and J Hoch.
    • Department of Surgery, 2nd Faculty of Medicine, Charles University, Prague, Czech Republic. petr.visna@fnmotol.cz
    • Acta Chir Belg. 2004 Nov 1; 104 (6): 709-14.

    Aim Of The StudyTo compare outcomes of surgical treatment of deep cartilage defects of the knee in a group of patients treated by autologous chondrograft transplantation versus patients treated by abrasive techniques.Materials And MethodsAn original method of chondrograft preparation based on cultivated autologous chondrocytes in a three-dimensional carrier - fibrin glue (Tissucol, Baxter, Austria) has been described. Preclinical tests in human cadavres and porcine models have established the possibility of chondrograft use in humans. Of the 50 patients included in the study, 25 patients (50%) underwent autologous chondrograft transplantation (group I) and 25 patients (50%) were treated using abrasive techniques according to Johnson (group II). These two groups were similar with respect to age, size of defect, depth and localization, and presence of concomitant knee injuries. The Lysholm knee and IKDC (International Knee Documentation Committee) subjective scores were used to evaluate the results.ResultsThe preoperative value of the Lysholm knee score for patients in group I was 47.60 points; 5 months after surgery 77.20 points; and 12 months after surgery 86.48 points. The values for the Lysholm knee score for patients in group II preoperatively, 5 months postop, and 12 months postop were 52.60, 69.20, and 74.48 respectively. Results 12 months after surgery were significantly better in group I as compared to group II (p < 0.001). The preoperative value of the IKDC subjective score in group I was 41.28 points; 5 months after surgery 67.00 points; and 12 months after surgery 76.48 points. The values for the IKDC subjective score in group II preoperatively, 5 months postop, and 12 months postop were 45.00, 62.28, and 68.08 respectively. Results 12 months after surgery were significantly better in group I when compared to group II (p < 0.05).ConclusionsThe results obtained in this study have confirmed the better outcome in patients treated with autologous chondrograft transplantation. This original method was found to be just as effective as abrasive techniques. We recommend its use in clinical practice.

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