Academic Department of Trauma and Orthopaedics, LGI, University of Leeds, Leeds, UK
Leeds Teaching Hospitals Trust, UK
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The Lister Hospital, Chelsea Bridge, London, UK
Centre de l’Arthrose - Clinique du Sport, Bordeaux-Mérignac, France
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Leeds Teaching Hospitals Trust, UK
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kinematics. 16 – 18 Kinematic alignment (KA) As implant technology has improved, the issue of component wear and loosening has dissipated, and the concept of restoring a patient’s native anatomy has gained increasing traction in the orthopaedic
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-positioning surgical techniques for TKA and THA and then, in the second half, to describe the newly promoted more personalized techniques (kinematic alignment). Conventional techniques for hip and knee replacement: rationale and limitations Conventional
Personalized Arthroplasty Society, Atlanta, Georgia, USA
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Nuffield Orthopaedic Centre, Headington, Oxford, UK
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Personalized Arthroplasty Society, Atlanta, Georgia, USA
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South-West London Elective Orthopaedic Centre, Epsom, UK
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Shamir Medical Center, Zriffin, Israel
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Département de Chirurgie, Université de Montréal, Hôpital Maisonneuve-Rosemont, Montréal, Québec, Canada
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Introduction The Kinematic Alignment (KA) technique for total knee arthroplasty (TKA) is an alternative surgical technique aiming to resurface knee articular surfaces. 1 , 2 Ultimately, the goal of KA is to alter the knee physiological
Department of Orthopaedic Surgery, University of Cape Town, South Africa
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has provided the impetus to revisit the alignment strategy. Kinematic alignment (KA), an alternative alignment method in TKA, is based on a three-dimensional appreciation for the three axes of rotation of the knee. 27 – 29 Here, the objective is
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natural mechanical alignment ≥ 3° of varus. Similarly, others have explored the cylindrical axis of the knee 36 and the concept of kinematic alignment. 37 Kinematic alignment is based on the finding that the true axis about which knee flexion
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® imaging system or with conventional lumbo-pelvic lateral radiographs. This information allows the surgeon to realize the ‘Kinematic alignment technique’. As Rivière et al say 17 - 18 ‘this technique aims at restoring the native combined femoral
Personalized Arthroplasty Society, Atlanta, Georgia, USA
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Personalized Arthroplasty Society, Atlanta, Georgia, USA
Clinique Orthopédique Duval, Laval, Quebec, Canada
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Personalized Arthroplasty Society, Atlanta, Georgia, USA
Clinique Orthopédique Duval, Laval, Quebec, Canada
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Department of Knee Surgery, Casa di Cura Solatrix, Rovereto, TN, Italy
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Personalized Arthroplasty Society, Atlanta, Georgia, USA
Clinique Orthopédique Duval, Laval, Quebec, Canada
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neutral (0°) mechanical alignment (MA) during TKA fails to reproduce individual patient anatomy and joint kinematics ( 2 , 3 , 4 , 5 , 6 ). A variety of personalized implant alignment techniques, including kinematic alignment (KA) ( 7 ), restricted
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to right, kinematic alignment (KA), restricted KA (rKA), adjusted mechanical alignment (aMA), anatomical alignment (AA), mechanical alignment (MA). Excepting the KA technique, all techniques necessitate varying amounts of soft-tissue release (more so
Orthopaedic Department, University General Hospital of Larissa, Greece
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Moreover, mild constitutional varus knees left in varus show better mid-term clinical and functional outcomes. 11 , 19 , 25 , 30 , 33 A contemporary alternative to mechanical alignment is kinematic alignment. 19,30-32,34 The goal is to restore the
Surgery Department, Hôpital Maisonneuve-Rosemont, Montreal University, Montreal, Québec, Canada
Clinique orthopédique Duval, 1487 Boul des Laurentides, Laval
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Bordeaux Arthroplasty Research Institute - Clinique du Sport Bordeaux-Mérignac 04-06 rue Georges Negrevergne, Mérignac, France
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Department of Orthopedic Surgery and Traumatology, Kantonsspital Baselland, Bruderholz, Switzerland
Clinical Research Group Michael T. Hirschmann, Regenerative Medicine & Biomechanics, University of Basel, Basel, Switzerland
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Department of Surgery, University of California, San Francisco, California, USA
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physiological soft tissue laxity as how to produce more natural knee joints, improve patient satisfaction and create a forgotten joint. As a pioneer in personalized knee surgery, Stephen Howell proposed the kinematic alignment (KA) technique ( 13 ). KA aims to
