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correctable deformity and intact ligaments. 3 We explored the current literature to provide an overview of the causes for a symptomatic UKA, its risk factors and diagnostic modalities that can be used, and we briefly discuss treatment options. Methods
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on multi-ligament knee, failure or malfunction of the extender device, and retraction in flexion of neurological (Parkinson’s, Charcot) or rheumatologic (rheumatoid arthritis) origin. The following risk factors must be taken into account: (a
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associated with knee ligament tears, 2 although the presence of subchondral oedema-like lesions was also shown in 41% of asymptomatic collegiate basketball players subject to repetitive microtrauma. 3 The most common subchondral contusions are
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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collateral ligament laxities, knee kinematics, and gait ( 3 , 12 , 13 , 14 , 15 ). However, one important question remains: should all pre-operative anatomies be reproduced? Not only is there great variability of hip–knee–ankle angle (HKA) between
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. Following establishment of the lateral gutter, the lateral patellofemoral ligament is identified with the knee still in flexion. Flexing the knee slowly while externally rotating the tibia reduces stress on the extensor mechanism. The medial release may be
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tibia with the release of the deep medial collateral ligament (MCL) to the postero-medial capsule is performed. The superficial MCL may be elevated more distally to extend the medial release. To gain adequate joint exposure, intraarticular adhesions are
Princess Grace Hospital, London, UK
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Princess Grace Hospital, London, UK
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Princess Grace Hospital, London, UK
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Princess Grace Hospital, London, UK
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that up to 20% of patients remain dissatisfied following TKA. 2 , 6 – 11 Accurate implant positioning, balanced flexion-extension gaps, proper ligament tensioning, and preservation of the periarticular soft tissue envelope are important surgeon
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Department of Anesthesiology, Cleveland Clinic, Cleveland, Ohio, USA
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Considerations Joint Supply Cutaneous Supply Anterior Femoral nerve Crosses behind the inguinal ligament and lateral to the femoral artery and provides branches to innervate each muscular component of the quadriceps muscle (Vastus Medialis
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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developed the Freeman–Swanson bicompartmental prosthesis using MA to prioritize mechanical stability over anatomical function, with the cruciate ligaments being sacrificed as a result. 9 In 1985, Insall further popularized the MA technique 10 and
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such as ligament injury or implant failure. 39 Excessive release of the medial ligament, inadequate distal femoral resection, excessive tibial slope, internal rotation of components and an undersized femoral component can also lead to flexion