Total ankle replacement in patients with end-stage ankle osteoarthritis: Clinical results and kinetic gait analysis |
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| Institution: | 1. Department of Orthopaedics, Hospital de Gandía Francesc de Borja, Spain;2. Department of Orthopaedics, Hospital Universitari i Politècnic La Fe de Valencia, Spain;3. Department of Rehabilitation, Hospital Universitari i Politècnic La Fe de Valencia, Spain;1. Department of Orthopaedic and Trauma Surgery, Hospital Universitario 12 de Octubre, Madrid, Spain;2. Unit of Foot and Ankle Surgery, Etzelclinic, Pfäffikon, Schwyz, Switzerland;3. Department of Orthopaedic and Trauma Surgery, Hospital Asepeyo Sant Cugat, Sant Cugat del Vallés, Barcelona, Spain;4. Laboratory of Arthroscopic and Surgical Anatomy, Department of Pathology and Experimental Therapeutics (Human Anatomy Unit), University of Barcelona, Barcelona, Spain;5. Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA, USA |
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| Abstract: | BackgroundTotal ankle arthroplasty is being used more frequently as an alternative for arthrodesis in final stages of ankle osteoarthritis. However, there are few studies which describe the biomechanics of gait of these patients.MethodsBetween March 2006 and May 2011, 17 patients (n = 18 ankles) suffering end-stage osteoarthritis of the ankle who underwent an ankle replacement (HINTEGRA) were evaluated retrospectively. We evaluated clinical, radiological and biomechanical gait parameters using the NedAMH/IBV dynamometric platform.ResultsAt last follow-up (average: 37 months), the AOFAS score improved from 31 to 83 with a high rate of satisfaction (83.3%). Kinetic gait parameters were more similar to a healthy ankle. We detected a radiolucent line in 8 patients (44%) without any subsidence case.ConclusionsOur study showed a high rate of satisfaction and biomechanics of the gait similar to a healthy ankle. The complication rate was analogous to those previously published in the literature. |
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| Keywords: | Ankle Arthroplasty Hintegra Kinetic gait analysis |
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