Comparison of functional and radiological outcomes after computer-assisted versus conventional total knee arthroplasty: a matched-control retrospective study

Journal of Orthopaedic Surgery
E T H EkPeter F Choong

Abstract

To compare the radiological and functional outcomes of patients who underwent either computer-assisted or conventional total knee arthroplasty (TKA). Two groups of 50 patients each underwent either computer-assisted or conventional TKA were retrospectively studied. Patients were matched according to body mass index (BMI), gender, and age. Three senior orthopaedic surgeons with comparable experience performed all surgeries, using 3 different prostheses. The surgical approach and peri- and postoperative regimens were the same. The mechanical axis and the tibial and femoral angles were measured using standardised long-leg weight-bearing radiographs. Overall function was assessed using the Short Form-12 (SF-12) and International Knee Society (IKS) scores. No intra-operative technical difficulties were encountered in either group. The computer-assisted group resulted in more consistent and accurate alignments in both the coronal and sagittal planes and better SF-12 and IKS scores. In obese patients (BMI=30 kg/m2 or more), computer-assisted TKA provided better alignment than the conventional technique. Computer-assisted TKA improves implant positioning, limb alignment, and overall functional outcome. It may be particularly advantageo...Continue Reading

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Citations

Apr 27, 2011·International Journal of Rheumatic Diseases·Peter F M Choong, Michelle M Dowsey
Jun 1, 2015·European Journal of Orthopaedic Surgery & Traumatology : Orthopédie Traumatologie·K S ManjunathG Vineeth
Oct 28, 2016·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Jelle P van der ListAndrew D Pearle
Apr 25, 2012·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·R IorioA Ferretti
Nov 5, 2015·Revista Brasileira De Ortopedia·Hugo CobraRodrigo Pires E Albuquerque
Jun 11, 2009·International Orthopaedics·Alfonso ManzottiNorberto Confalonieri
Aug 3, 2011·Clinical Orthopaedics and Related Research·Vincent Y NgAdolph V Lombardi
Jul 19, 2012·Journal of Orthopaedics and Traumatology : Official Journal of the Italian Society of Orthopaedics and Traumatology·Norberto ConfalonieriAlfonso Manzotti
Mar 31, 2011·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Hee-Nee PangNgai-Nung Lo
Feb 6, 2013·Computer Aided Surgery : Official Journal of the International Society for Computer Aided Surgery·Luke T NicholsonEric Smith
Sep 21, 2010·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·K LehnenM S Kuster
May 1, 2012·Revista Brasileira De Ortopedia·Alexandre Pagotto PachecoAlessandra Cristina Brambilla
Dec 31, 2020·Journal of Clinical Medicine·Cécile BataillerSébastien Lustig
Jul 21, 2021·Archives of Orthopaedic and Trauma Surgery·Christopher L BlumJan A Koenig

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