Evidence map›Paper›PMID 35111617›Full record

ArticleQuantitative imaging in medicine and surgery2022

Non-weight-bearing short knee radiographs to evaluate coronal alignment before total knee arthroplasty.

Sheng Pan, Chaoran Huang, Xingchen Zhang, Ruxin Ruan, Ziwen Yan, Zheng Li, Yong Pang, Kaijin Guo, Xin Zheng

Abstract read
In one paragraph

Article in Quantitative imaging in medicine and surgery, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

6 citing papers in PubMed.

  1. Article
  2. Femorotibial angle scan-rescan reproducibility: A high-precision calculation on a large cohort.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2024
    Article
  3. Article
  4. Article
  5. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors.

Sheng PanDepartment of Orthopedics, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.
Chaoran HuangDepartment of Orthopedics, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.
Xingchen ZhangDepartment of Orthopedics, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.
Ruxin RuanDepartment of Orthopedics, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.
Ziwen YanDepartment of Orthopedics, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.
Zheng LiDepartment of Orthopedics, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.
Yong PangDepartment of Orthopedics, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.
Kaijin GuoDepartment of Orthopedics, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.
Xin ZhengDepartment of Orthopedics, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundWhole leg radiograph (WLR) is the gold standard in assessing lower limb alignment before total knee arthroplasty (TKA) although in practice, non-weight-bearing short knee radiographs (NWB SKRs) are used by most medical institutions. The objective of this study was to determine whether the femorotibial angle (FTA) could be used to evaluate lower limb alignment on limited NWB SKRs. We also investigated whether FTA alignment measurements on NWB SKRs and WLRs differed depending on the direction of knee deformity.

methodsIn all, 105 knees which underwent both NWB SKR and WLR were included. Measurement of hip-knee-ankle angle (HKA) was obtained through WLR, while the FTA was found using NWB SKR (FTA

resultsThe agreement for categories of lower limb deformity was rated excellent (kappa =0.804, P<0.001). The Bland-Altman plot showed that the mean difference for the FTA

conclusionsFor outpatient follow-up, we found that the FTA on NWB SKRs is an acceptable means for classifying knee alignment (varus, neutral, or valgus). The measurement on NWB SKR also showed excellent correlation and good agreement with the HKA. For varus knees, NWB SKR measurements showed the best correlation with the HKA. However, for neutral and valgus knees, NWB SKR measurements were insufficient for conducting a reliable calculation and quantification of coronal alignment of the lower limb.

Indexed as

coronal alignmentfemorotibial angle (FTA)mechanical axisosteoarthritis (OA)short knee radiographTotal knee arthroplasty (TKA)whole leg radiograph (WLR)

Identifiers

PMID35111617
PMCPMC8739098

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.