Evidence map›Paper›PMID 30972467›Full record

ArticleKnee surgery, sports traumatology, arthroscopy : official journal of the ESSKA2020

Retaining the medial collateral ligament in high tibial medial open-wedge osteotomy mostly results in post-operative intra-articular gap reduction.

Abolfazl Bagherifard, Mahmoud Jabalameli, Alireza Mirzaei, Akbar Khodabandeh, Majid Abedi, Hooman Yahyazadeh

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Article in Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing 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

13 citing papers in PubMed.

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  8. Review
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  11. Prior high tibial osteotomy is not a contraindication for medial unicompartmental knee arthroplasty.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2021
    Article
  12. Article
  13. Article
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

6 authors.

Abolfazl BagherifardBone and Joint Reconstruction Research Center, Shafa Orthopedic Hospital, Iran University of Medical Sciences, Baharestan Square, Tehran, IR, Iran.
Mahmoud JabalameliBone and Joint Reconstruction Research Center, Shafa Orthopedic Hospital, Iran University of Medical Sciences, Baharestan Square, Tehran, IR, Iran.
Alireza MirzaeiBone and Joint Reconstruction Research Center, Shafa Orthopedic Hospital, Iran University of Medical Sciences, Baharestan Square, Tehran, IR, Iran.
Akbar KhodabandehBone and Joint Reconstruction Research Center, Shafa Orthopedic Hospital, Iran University of Medical Sciences, Baharestan Square, Tehran, IR, Iran.
Majid AbediBone and Joint Reconstruction Research Center, Shafa Orthopedic Hospital, Iran University of Medical Sciences, Baharestan Square, Tehran, IR, Iran.
Hooman YahyazadehBone and Joint Reconstruction Research Center, Shafa Orthopedic Hospital, Iran University of Medical Sciences, Baharestan Square, Tehran, IR, Iran. yahyazadeh.h@iums.ac.ir.

Funding

Iran University of Medical Sciences IR.IUMS.FMD.REC.1397.243
6 · The paper itself

Abstract

purposeThe current study aimed to evaluate how open-wedge high tibial osteotomy (OWHTO) without the release of medial collateral ligament (MCL) changes in vivo intra-articular joint space after the surgery.

methodsPatients with varus malalignment of the knee with an indication for OWHTO were included in this study. The intra-articular gap was measured before and 30 min after OWHTO without MCL release using a series of calibrated nerve hooks. The association of post-operative gap size with varus angle, medial proximal tibial angle (MPTA), lateral distal femoral angle (LDFA) and joint line convergence angle (JLCA) was also assessed.

resultsA total of 42 knees from 38 patients were evaluated. The mean size of the intra-articular gap of the medial compartment was 5.2 ± 1 mm before the osteotomy and 3.1 ± 2.2 mm at 30 min post-osteotomy. The size of the intra-articular gap decreased post-operatively in 30 knees (71.5%), increased in eight knees (19%) and remained the same in the remaining four knees (9.5%). Smaller MPTA and more correction were associated with a decrease in gap size after the osteotomy (p = 0.01 and p = 0.03, respectively). A significant negative correlation was observed between the correction size and the gap size after osteotomy (r = - 0.317, p = 0.04).

conclusionIntra-articular pressure of the medial compartment increases in the majority of cases following OWHTO without MCL release. Until the factors affecting this increased pressure are thoroughly identified, MCL release seems to be a wiser option during OWHTO. LEVEL OF EVIDENCE: III.

Indexed as

AdultCollateral LigamentsFemaleFemurHumansKnee JointMaleMiddle AgedOsteoarthritis, KneeOsteotomyPostoperative PeriodProspective StudiesTibiaGap sizeIntra-articular pressureMedial collateral ligamentOpen-wedge high tibial osteotomy

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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.