Evidence map›Paper›PMID 27539400›Full record

ArticleKnee surgery, sports traumatology, arthroscopy : official journal of the ESSKA2017

Influence of soft tissue balancing and distal femoral resection on flexion contracture in navigated total knee arthroplasty.

Seong Hwan Kim, Jung-Won Lim, Ho-Joong Jung, Han-Jun Lee

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Article in Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed, 1 pooled it
–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

20 citing papers in PubMed, 1 synthesis or guideline pooled it.

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  18. Effect of additional distal femoral resection on flexion deformity in posterior-stabilized total knee arthroplasty.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2020
    Article
  19. Posterior capsular release is a biomechanically safe procedure to perform in total knee arthroplasty.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2019
    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

4 authors.

Seong Hwan KimDepartment of Orthopedic Surgery, Chung-Ang University Hospital, Chung-Ang University College of Medicine, 224-1 Heukseok-dong, Dongjak-gu, Seoul, 156-755, Korea.
Jung-Won LimDepartment of Orthopedic Surgery, Chung-Ang University Hospital, Chung-Ang University College of Medicine, 224-1 Heukseok-dong, Dongjak-gu, Seoul, 156-755, Korea.
Ho-Joong JungDepartment of Orthopedic Surgery, Chung-Ang University Hospital, Chung-Ang University College of Medicine, 224-1 Heukseok-dong, Dongjak-gu, Seoul, 156-755, Korea.
Han-Jun LeeDepartment of Orthopedic Surgery, Chung-Ang University Hospital, Chung-Ang University College of Medicine, 224-1 Heukseok-dong, Dongjak-gu, Seoul, 156-755, Korea. GustinoLHJ@nate.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThe purpose of this study was to evaluate the influence of intra-operative soft tissue balancing and distal femoral cutting on flexion contracture in navigated TKA.

methodsThis was a prospective cohort study. Fifty-nine patients of primary navigation-assisted TKA were included with over 15° of flexion contracture and excluded valgus knees. Among the cases, 43 cases were performed with soft tissue balancing procedures only, and 16 cases were performed with soft tissue balancing and additional distal femoral bone cutting. The mean preoperative flexion contracture was 17.5° ± 2.7°. The angles of flexion contracture were recorded at each surgical step with navigation.

resultsThe mean difference in flexion contracture angle between initial angle and angle after medial release was 5.2° ± 2.8°. The mean difference in flexion contracture angle between medial release step and after posterior cruciate ligament (PCL) release was 2.5° ± 2.2°. The mean difference in flexion contracture angle between PCL release step and after routine bone cutting was 3.1° ± 3.2°. The mean difference in flexion contracture angle between after trial insertion and after posterior clearing procedure was 2.7° ± 1.9°. Among the cases, TKA with 2 mm additional bone cutting were performed in 16 cases. The mean difference in flexion contracture angle after additional femoral bone cutting was 4.8° ± 2.1°.

conclusionThe medial release and 2 mm additional bone cutting could correct flexion contracture by 5°. The appropriate soft tissue balancing and bone cutting could correct flexion contracture intra-operatively up to 5° in each step. LEVEL OF EVIDENCE: II.

Indexed as

AgedArthroplasty, Replacement, KneeContractureFemaleFemurHumansKneeKnee JointMaleMiddle AgedOsteoarthritis, KneeProspective StudiesRange of Motion, ArticularSurgery, Computer-AssistedFlexion contractureGap balance of TKANavigation-assisted TKAResolution of flexion contracture

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Registered trials

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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.