Abstract
Purpose
To analyze the early outcomes of viscosupplementation in patients with severe knee osteoarthritis.
Method
A randomized, double-blind clinical trial of 143 knees divided into three groups: Group 1 – intra-articular injection of triamcinolone; Group 2 – hylan GF20; and Group 3 – triamcinolone + hylan GF20. Outcomes were evaluated using Lysholm and KSS scores before treatment and after one, three and six months.
Results
Within-group comparisons revealed improvements in Lysholm scores in all groups in the one month evaluation relative to pre-treatment levels (p < 0.01). This improvement was maintained in the third month after treatment (p > 0.05). Scores at six months were significantly lower than those observed in the previous follow-up assessments (p < 0.05), but still higher than pre-treatment levels (p < 0.05). KSS scores also improved after one month relative to pre-treatment levels (p < 0.01). This improvement was still present at three and six months after treatment in the corticosteroid group (p > 0.05). Patients treated with hylan GF20 showed lower scores in the last evaluation relative to month one (p < 0.05). No significant differences were observed between the treatment groups (p > 0.05).
Conclusions
Viscosupplementation increased functional scores in patients with severe osteoarthritis of the knee, especially within three months of injection. However, it was not superior to the use of triamcinolone.
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Campos, A.L.S., e Albuquerque, R.S.P., da Silva, E.B. et al. Viscosupplementation in patients with severe osteoarthritis of the knee: six month follow-up of a randomized, double-blind clinical trial. International Orthopaedics (SICOT) 41, 2273–2280 (2017). https://doi.org/10.1007/s00264-017-3625-9
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DOI: https://doi.org/10.1007/s00264-017-3625-9