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[Results of arthrodiastasis in postraumatic ankle osteoarthritis in a young population: prospective comparative
M Herrera-Pérez1, J L Pais-Brito, J de Bergua-Domingo
1Servicio de Cirugía Ortopédica y Traumatología, Hospital Universitario de Canarias, La Laguna, Tenerife, España; Facultad de Medicina, Universidad de La Laguna, La Laguna, Tenerife, España; Unidad de Tobillo y Pie, Hospital Universitario de Canarias, La Laguna, Tenerife, España.
Introduction:
The most common cause of osteoarthritis of the ankle is post-traumatic, and although tibiotalar arthrodesis remains the surgical gold standard, a number of techniques have been described to preserve joint mobility, such as joint distraction arthroplasty or arthrodiastasis.
Objective:
To evaluate the functional outcome and changes in Visual Analogue Scale (VAS) for pain after the application of the distraction arthroplasty for post-traumatic ankle osteoarthritis.
Patients And Methods:
A prospective comparative study of a group of 10 young patients with post-traumatic ankle osteoarthritis treated by synovectomy and arthrodiastasis, compared to a control group of 10 patients treated by isolated synovectomy. Results were calculated using the AOFAS scale and the VAS for pain before and after treatment.
Results:
As regards the pain measured by VAS, no difference was observed between the two groups before surgery (P=.99), but there was a difference at 3 months (P<.001), 6 months (P=.005), and 12 months (P=.006). No differences were observed in the AOFAS scale between the two groups before surgery (P=.99), or at 3 months (P<.99), but there was a difference at 6 months (P<.001).
Conclusions:
Ankle arthrodiastasis is effective in reducing pain in post-traumatic ankle arthropathy, and is superior to isolated synovectomy.
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