Does Calipered Kinematically Aligned TKA Restore Native Left to Right Symmetry of the Lower Limb and Improve Function?

The Journal of Arthroplasty
Alexander J NedopilMaury L Hull

Abstract

Kinematically aligned total knee arthroplasty (KA TKA) strives to restore the native left to right symmetry of the lower limb; however, the reproducibility of achieving this target is unknown. The present study determined the proportion of patients with left to right symmetry and the improvement in patient-reported function after calipered KA TKA. A review of 562 postoperative scanograms identified 102 patients (53 women) with a KA TKA in one limb, no other skeletal abnormalities in either limb, and symmetrical rotation between limbs on the scanogram. All patients were treated with primary TKA that used caliper measurement of the thicknesses of the femoral bone and tibial bone resections to kinematically align the components. The hip-knee-ankle (HKA) angle, distal lateral femoral angle (DLFA), and proximal medial tibial angle (PMTA) were measured. Patient-reported Oxford Knee Score (OKS) measured preoperative and postoperative functions. The proportion of patients with a difference in the HKA angle, DLFA, and PMTA between limbs within ±3°, >3° varus, and <-3° valgus was 95%, 2%, and 3%, respectively, for the HKA angle; 97%, 1%, and 2%, respectively, for the DLFA; and 97%, 2%, and 1%, respectively, for the PMTA. The mean OKS imp...Continue Reading

Citations

Dec 1, 2018·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Joshua D RothMaury L Hull
Dec 12, 2018·Clinical Orthopaedics and Related Research·Trevor J SheltonMaury L Hull
May 31, 2019·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Stephanie Nicolet-PetersenMaury L Hull
Jun 17, 2020·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Joshua D RothMaury L Hull
Oct 30, 2018·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·In Jun KohThay Q Lee
Jun 14, 2019·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Michael T HirschmannStephen Howell
Aug 15, 2019·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Stephanie Nicolet-PetersenMaury L Hull
Jul 23, 2020·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Lucas BeckersPieter-Jan Vandekerckhove
May 21, 2020·Der Orthopäde·D Jeremić, R Haaker
Nov 27, 2019·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Alexander J NedopilMaury L Hull
Aug 20, 2020·Der Orthopäde·M Malavolta, K Kley
Apr 3, 2020·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Stephen M HowellMaury L Hull
Dec 18, 2020·Orthopaedics & Traumatology, Surgery & Research : OTSR·Charles RivièrePascal-André Vendittoli
Feb 15, 2021·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Stephen M HowellAlexander J Nedopil
Apr 5, 2021·SICOT-J·Sébastien LustigCécile Batailler
Jul 28, 2021·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Dohyung LimIn Jun Koh
Dec 19, 2021·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Alexander J NedopilMaury L Hull
Jan 18, 2022·Archives of Orthopaedic and Trauma Surgery·Georg MatziolisNadja Jacob

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