Tibial Slope is Highly Variable in Patients Undergoing Primary Total Knee Arthroplasty: Analysis of 13,546 Computed Tomography Scans

The Journal of Arthroplasty
Gokhan MericWilliam D Bugbee

Abstract

The purpose of this study was to retrospectively measure with computed tomography (CT) the posterior tibial slope (PTS) to establish the average anatomy and the incidence of outliers in patients undergoing total knee arthroplasty (TKA). Our cohort included 13,546 arthritic patients: 8241 (61%) female; 5305 (39%) male. The average PTS angle was 7.2°±3.7° (range, -5° to 25°). The average of PTS angle of the males was 7.17°±3.82° and females was 7.24°±3.57°. A significant number of patients 35.0% (4149) were identified outliers in PTS. 1568 (11.6%) patients' PTS angle was less than 4°, 2581 (19.1%) patients' PTS angle was more than 10°. These data can be useful to determine optimum techniques and methodology to perform more accurate TKA.

References

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Citations

Mar 28, 2017·Cartilage·Guilherme C GracitelliWilliam D Bugbee
Oct 21, 2017·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Antoine SchneiderElvire Servien
Dec 18, 2019·Archives of Orthopaedic and Trauma Surgery·Sung-Mok OhJong-Min Kim
Oct 2, 2019·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Malin MeierAndre Friedrich Steinert
Sep 10, 2018·International Orthopaedics·Michele d'AmatoClaudio Belvedere
May 28, 2020·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Andreas WeilerPhilipp Lobenhoffer
Jun 2, 2020·The Bone & Joint Journal·Dominique P D'LimaDarryl D D'Lima
May 20, 2019·Archives of Orthopaedic and Trauma Surgery·Clemens GwinnerJulian M M Rogasch
Feb 7, 2021·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Anna-Katharina CalekHenrik Behrend
Sep 7, 2021·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Kaushik HazratwalaMatthew P R Wilkinson

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