Effects of Femoral Lateral Bowing on Coronal Alignment and Component Position after Total Knee Arthroplasty: A Comparison of Conventional and Navigation-Assisted Surgery

Knee Surgery & Related Research
Chang-Wan Kim, Chang-Rack Lee

Abstract

To evaluate the effects of femoral lateral bowing on coronal alignment after total knee arthroplasty (TKA) and examine whether the use of navigation helps obtain better postoperative coronal alignment and component position. Radiological results and outlier rates were compared between the conventional TKA group and the navigation-assisted TKA group, and factors associated with postoperative alignment were evaluated. For clinical assessment, patient-reported outcomes were used. A total of 297 knees were retrospectively reviewed. Among the patients with femoral lateral bowing, a significant difference was observed between the conventional TKA group (n=72) and the navigation-assisted TKA group (n=96) in postoperative mechanical femorotibial angle (mFTA, 1.6° vs. 0.8°; p=0.005) and femoral component alignment angle (89.0° vs 90.0°; p=0.017). Preoperative mFTA (p<0.001), femoral bowing angle (p<0.001), and mechanical lateral distal femoral angle (p=0.032) had effects on postoperative mFTA in the conventional TKA group. In the navigation-assisted TKA group, only preoperative mFTA (p<0.001) had effects on postoperative mFTA. Despite the individualized determination of the valgus correction angle through preoperative planning, in the c...Continue Reading

References

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Citations

Mar 16, 2019·Knee Surgery & Related Research·Kwangkyoun KimJiyoon Eom
Feb 19, 2020·Journal of Orthopaedic Surgery·Suk Kyoon SongWon-Kee Choi
Dec 5, 2018·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Sang Jun SongCheol Hee Park
Feb 6, 2019·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Sang Jun SongCheol Hee Park
Jul 14, 2020·Orthopaedic Journal of Sports Medicine·Kyoung Ho YoonCheol Hee Park
Oct 21, 2020·Journal of Orthopaedic Surgery·Jun Ho NamWon-Kee Choi
Jan 25, 2021·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Man Soo KimYong In
Jan 12, 2021·The Surgeon : Journal of the Royal Colleges of Surgeons of Edinburgh and Ireland·Cristian AlettoNicola Maffulli
Mar 23, 2021·Clinics in Orthopedic Surgery·Cheol Hee Park, Sang Jun Song
Jan 12, 2020·Orthopaedics & Traumatology, Surgery & Research : OTSR·Changwan KimGi-Woon Yoon
Nov 16, 2021·European Journal of Orthopaedic Surgery & Traumatology : Orthopédie Traumatologie·Naoki UmataniShuichi Matsuda

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