Mechanical alignment (MA) in total knee arthroplasty (TKA) is the most commonly used with well-documented long-term results, however 20% of patients express dissatisfaction following primary TKA. Alternative alignment philosophies have been proposed, aiming to improve patient clinical outcomes and satisfaction. However, evaluation is focused mainly on knee alignment, the pathological findings and other adaptational changes in the ankles and hips are usually neglected. Thia study aim to comparative effect between mechanical and functional alignment in patient undergone bilateral robotic TKA on ankle alignment and functional outcomes.
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Radiographic outcomes : Hip-knee-ankle angle
Timeframe: pre-operative within 2 weeks and post-operative at 2,4,8,12 weeks
Radiographic outcomes : Tibial plafond inclination
Timeframe: pre-operative within 2 weeks and post-operative at 2,4,8,12 weeks
Radiographic outcomes :Talar inclination
Timeframe: pre-operative within 2 weeks and post-operative at 2,4,8,12 weeks
Radiographic outcomes : Tibiotalar tilt angle
Timeframe: pre-operative within 2 weeks and post-operative at 2,4,8,12 weeks