Search for other papers by E. Carlos Rodríguez-Merchán in
Google Scholar
PubMed
. Technological assistance for precisely implanting TKA (computer-assisted navigation system – CAS, Robotics, patient-specific instrumentation – PSI) has not been a game-changer for TKA outcomes. This means that technical errors in component positioning may not
Department of Orthopaedics, Royal Infirmary of Edinburgh, Edinburgh, UK
South West of London Orthopaedic Elective Centre, Epsom, UK
Search for other papers by Nicholas D. Clement in
Google Scholar
PubMed
Search for other papers by Marwan Al-Zibari in
Google Scholar
PubMed
Search for other papers by Irrum Afzal in
Google Scholar
PubMed
Search for other papers by David J. Deehan in
Google Scholar
PubMed
Search for other papers by Deiary Kader in
Google Scholar
PubMed
implant position is fair, (5) there is poor reporting of implant type/design, and (6) there were no data reporting patient expectations or cost-economic analysis and there were no randomized controlled trials. A limitation of this systematic review was
Search for other papers by Michele Vasso in
Google Scholar
PubMed
Search for other papers by Alexander Antoniadis in
Google Scholar
PubMed
Search for other papers by Naeder Helmy in
Google Scholar
PubMed
selection, optimal implant positioning might be crucial to reduce the potential for surgical errors. With the use of computer navigation (CAS), it has been shown that the position of the implant can be improved. 63 A study using patient
Search for other papers by E. Carlos Rodríguez-Merchán in
Google Scholar
PubMed
the patients was 79 years (75 to 86); the minimum follow-up was 5 years (mean 7.3 years (5 to 10 )). Patients were evaluated clinically (Knee Society score) and radiographically (position of prosthetic components, signs of loosening, bone loss). At a
Instituto Clinico Citta Studi, Milan, Italy
Search for other papers by David Barrett in
Google Scholar
PubMed
King Edward VII Hospital, London, UK
Search for other papers by Angela Brivio in
Google Scholar
PubMed
Introduction There is no doubt that total knee replacement has become a successful, reliable and life-changing intervention for many thousands of patients, with established survival figures above 95% over 15 years ( 1 ). More recently, however
Search for other papers by Emmanuel Thienpont in
Google Scholar
PubMed
anatomy, 2 primarily by re-establishing the correct joint-line position. 15 Between 50% and 80% of rTKA patients have an elevated joint line, 16 , 17 and this is associated with lower clinical and functional outcomes such as anterior knee
Search for other papers by Andrea Ferrera in
Google Scholar
PubMed
Division of Orthopaedic Surgery, University Hospital of Geneva, Geneva, Switzerland
Search for other papers by Jacques Menetrey in
Google Scholar
PubMed
the knee. The growth of arthroplasty surgery and the subsequent technologic development of new, reliable and better performing prostheses, mostly implanted in elderly patients with low function, led to a progressive loss of interest for osteotomies
Academic Department of Trauma and Orthopaedics, LGI, University of Leeds, Leeds, UK
Leeds Teaching Hospitals Trust, UK
Search for other papers by Sohail Nisar in
Google Scholar
PubMed
Search for other papers by Jeya Palan in
Google Scholar
PubMed
The Lister Hospital, Chelsea Bridge, London, UK
Centre de l’Arthrose - Clinique du Sport, Bordeaux-Mérignac, France
Search for other papers by Charles Rivière in
Google Scholar
PubMed
Search for other papers by Mark Emerton in
Google Scholar
PubMed
Leeds Teaching Hospitals Trust, UK
Search for other papers by Hemant Pandit in
Google Scholar
PubMed
mobility. Up to 20% of patients annually (20,000 patients) who have a TKR are not satisfied with the outcome. 2 , 3 A significant proportion complain about restricted knee flexion, residual pain and limitations in performing day-to-day activities such
Search for other papers by Kara McConaghy in
Google Scholar
PubMed
Search for other papers by Tabitha Derr in
Google Scholar
PubMed
Search for other papers by Robert M. Molloy in
Google Scholar
PubMed
Search for other papers by Alison K. Klika in
Google Scholar
PubMed
Exponent, Philadelphia, Pennsylvania, USA
Search for other papers by Steven Kurtz in
Google Scholar
PubMed
Search for other papers by Nicolas S. Piuzzi in
Google Scholar
PubMed
patient outcomes, as long as patellar resection symmetry is ultimately achieved. Component alignment Appropriate component alignment and positioning is critical to accurate patellar tracking in TKA. 54 If there is maltracking of the patella, TKA
Università degli Studi di Pavia, Pavia, Lombardy, Italy
Search for other papers by Francesco Benazzo in
Google Scholar
PubMed
Search for other papers by Loris Perticarini in
Google Scholar
PubMed
Search for other papers by Eugenio Jannelli in
Google Scholar
PubMed
Search for other papers by Alessandro Ivone in
Google Scholar
PubMed
Search for other papers by Matteo Ghiara in
Google Scholar
PubMed
Search for other papers by Stefano Marco Paolo Rossi in
Google Scholar
PubMed
(MRI) is performed, the quality and thickness of the patella’s articular cartilage at the time of knee arthroplasty are unpredictable as well as how long it would last especially in patients with different age, level of activity, body mass index (BMI