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Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_13 | Pages 21 - 21
1 Mar 2013
RAHMAN J KAYANI B GILLOTT E BENTLEY G SKINNER J MILES J CARRINGTON R BRIGGS T
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The Royal National Orthopaedic Hospital has completed an extensive trial of ACI versus MACI in the treatment of symptomatic osteochondral defects of the knee. A new technique has now been proposed which is quicker and easier to perform. This is the Gel-Type Autologous Chondrocyte Transplantation, CHONDRONTM. At Stanmore CHONDRON has been used for the past 17 months. Our aim was to assess the short term functional outcome of patients who have undergone CHONDRONTM using validated outcome scoring questionnaires. We retrospectively reviewed the notes of 43 patients that had undergone CHONDRONTM over one year ago and scored them using the Modified Cincinnati Score, the Visual Analogue Score and the Benltey Stanmore Functional Rating Score.

RESULTS

The mean pre-operative Modified Cincinnati Score was 39.9, which improved to a mean of 59.8 post-operatively. The mean Visual Analogue Score improved from 6.7 to 5.1 post-operatively. The median Bentley Functional Rating Score was 3 pre-operatively and 2 post-operatively.

CONCLUSIONS

These early results show that 76% of the patients who were treated with CHONDRONTM experienced a reduction in pain and improvement in post-operative function. In the patients in whom the symptoms were worse, the deterioration in score could be partly explained by numerous previous procedures on the same site, presence of early osteoarthritis or the presence of multiple osteochondral lesions. This highlights the importance of careful patient selection in order to gain maximum benefit from the procedure.