Total ankle replacement in patients with end-stage ankle osteoarthritis: Clinical results and kinetic gait analysis

Abstract Background Total 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. Methods Between March 2006 and May 2011, 17 patients ( n = 1...

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Bibliographic Details
Published in:Foot and ankle surgery 2014-09, Vol.20 (3), p.195-200
Main Authors: Roselló Añón, Alejandro, MD, Martinez Garrido, Ignacio, MD, Cervera Deval, Juan, MD, Herrero Mediavilla, Daniel, MD, Sánchez González, María, MD, Vicent Carsí, Vicente, MD
Format: Article
Language:English
Subjects:
Adult
Aged
Ankle
Ankle Joint
Arthroplasty
Arthroplasty, Replacement, Ankle
Female
Follow-Up Studies
Gait - physiology
Hintegra
Humans
Kinetic gait analysis
Male
Middle Aged
Orthopedics
Osteoarthritis - pathology
Osteoarthritis - physiopathology
Osteoarthritis - surgery
Patient Satisfaction
Range of Motion, Articular - physiology
Recovery of Function
Retrospective Studies
Treatment Outcome
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Summary:Abstract Background Total 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. Methods Between 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. Results At 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. Conclusions Our 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.
ISSN:1268-7731
1460-9584
DOI:10.1016/j.fas.2014.04.002