Alteration of Hindfoot Alignment After Total Knee Arthroplasty Using a Novel Hindfoot Alignment View

Abstract This study examined the coronal alignment of the hindfoot in varus osteoarthritis of the knee before and after total knee arthroplasty (TKA) in 100 legs using a novel imaging method. We categorized the preoperative hindfoot alignment into varus (30 legs) and valgus (70 legs) groups; imaging...

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Published in:The Journal of arthroplasty 2015-01, Vol.30 (1), p.126-129
Main Authors: Hara, Yusuke, MD, Ikoma, Kazuya, MD, PhD, Arai, Yuji, MD, PhD, Ohashi, Suzuyo, MD, PhD, Maki, Masahiro, MD, PhD, Kubo, Toshikazu, MD, PhD
Format: Article
Language:English
Subjects:
Aged
Aged, 80 and over
Arthroplasty, Replacement, Knee
Bone Malalignment - diagnostic imaging
Bone Malalignment - physiopathology
Bone Malalignment - surgery
coronal alignment
Female
Foot - diagnostic imaging
Foot - physiopathology
hindfoot
hindfoot view
Humans
Male
Middle Aged
Orthopedics
Osteoarthritis, Knee - physiopathology
Osteoarthritis, Knee - surgery
Radiography
TKA
X-ray
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cited_by cdi_FETCH-LOGICAL-c547t-802bcb94a55444531bf5cc42821e3af48d07919c4b5d19c045d42644593d0ab93
cites cdi_FETCH-LOGICAL-c547t-802bcb94a55444531bf5cc42821e3af48d07919c4b5d19c045d42644593d0ab93
container_end_page 129
container_issue 1
container_start_page 126
container_title The Journal of arthroplasty
container_volume 30
creator Hara, Yusuke, MD
Ikoma, Kazuya, MD, PhD
Arai, Yuji, MD, PhD
Ohashi, Suzuyo, MD, PhD
Maki, Masahiro, MD, PhD
Kubo, Toshikazu, MD, PhD
description Abstract This study examined the coronal alignment of the hindfoot in varus osteoarthritis of the knee before and after total knee arthroplasty (TKA) in 100 legs using a novel imaging method. We categorized the preoperative hindfoot alignment into varus (30 legs) and valgus (70 legs) groups; imaging of the hindfoot was conducted preoperatively and postoperatively, and the varus–valgus angle (VVA) was measured as the hindfoot alignment. The femorotibial angle improved significantly after TKA. We found that the VVA improved significantly after TKA in the hindfoot valgus group ( P < 0.001), but not in the varus group ( P = 0.554), and we speculate that the hindfoot alignment in the valgus group improved as a result of a residual compensatory capacity in the hindfoot.
doi_str_mv 10.1016/j.arth.2014.07.026
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1532-8406
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subjects Aged
Aged, 80 and over
Arthroplasty, Replacement, Knee
Bone Malalignment - diagnostic imaging
Bone Malalignment - physiopathology
Bone Malalignment - surgery
coronal alignment
Female
Foot - diagnostic imaging
Foot - physiopathology
hindfoot
hindfoot view
Humans
Male
Middle Aged
Orthopedics
Osteoarthritis, Knee - physiopathology
Osteoarthritis, Knee - surgery
Radiography
TKA
X-ray
title Alteration of Hindfoot Alignment After Total Knee Arthroplasty Using a Novel Hindfoot Alignment View
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