Evidence map›Paper›PMID 27193431›Full record

Trial reportBMC musculoskeletal disorders2016

Ability of an intentionally smaller anterior than posterior gap to reduce the sagittal tibial slope in opening wedge high tibial osteotomy.

Seung-Beom Han, Hyung-Jun Park, Dae-Hee Lee

Open access · goldAbstract readClinical Trial
In one paragraph

Trial report in BMC musculoskeletal disorders, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed, 1 pooled it
2.2field-weighted citation impact, top 13% of its field
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, 1 synthesis or guideline pooled it, 18 citations in OpenAlex.

  1. Outcome reporting following navigated high tibial osteotomy of the knee: a systematic review.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2016
    Pooled it
  2. Technical tips and tricks for complex biplanar high tibial osteotomies.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2026
    Review
  3. Article
  4. Article
  5. The influence of different hinge position on PTS during HTO: comparison between open-wedge and closed-wedge HTO.European journal of orthopaedic surgery & traumatology : orthopedie traumatologie · 2023
    Article
  6. Article
  7. Article
  8. Article
  9. Adding a protective K-wire during opening high tibial osteotomy increases lateral hinge resistance to fracture.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2020
    Article
  10. Article
  11. Article
  12. The effects of different hinge positions on posterior tibial slope in medial open-wedge high tibial osteotomy.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2018
    Article
  13. [Effectiveness of medial open wedge high tibial osteotomy combined with posterior slope angle of tibial plateau correction in treatment of osteoarthritis of limited flexion knee with varus deformity].Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery · 2018
    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

3 authors at 2 institutions in 1 country.

Seung-Beom HanDepartment of Orthopaedic Surgery, Korea University, College of medicine, Anam hospital, Seoul, Korea.
Hyung-Jun ParkDepartment of Orthopaedic Surgery, Korea University, College of medicine, Anam hospital, Seoul, Korea.
Dae-Hee LeeDepartment of Orthopaedic Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro, Gangnam-gu, Seoul, 135-710 (ROK), Korea. eoak22@empal.com.
Korea University Medical Center · KRSungkyunkwan University · KR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundWe utilized in vivo 3- dimensional (D) computed tomography (CT) to determine whether the preoperatively planned anterior and posterior opening gap heights correlated with the real gaps following opening wedge high tibial osteotomy (HTO), as well as the relationships between anterior and posterior gap heights and change in sagittal tibial slope.

methodsThis prospective study involved 41 patients (41 knees) undergoing navigation HTO for primary medial osteoarthritis. Mechanical axis (MA), weight-bearing line (WBL) ratio, and posterior tibial slope were measured on radiographs preoperatively and after 3 months. The anterior and posterior opening gaps created by osteotomy were measured using in vivo 3D CT and the patients were classified into a larger anterior or posterior gap group.

resultsOf the 41 patients, 24 (59 %) had larger anterior and 17 (41 %) had larger posterior gaps. There were no between group differences in preoperative and postoperative slopes, or in change in slope. The correlation between preoperatively planned and postoperative posterior gaps was good, whereas the correlation of anterior gaps was only fair. Bland-Altman plots showed poor agreement for both preoperative and postoperative anterior and posterior gaps. The mean systematic difference (bias) was 2.3 mm (p < 0.001) for anterior and -1.0 mm (p = 0.033) for posterior gaps.

conclusionsPreoperatively calculated opening gaps, which were planned to be larger posteriorly than anteriorly to minimize the change in slope after surgery, did not correspond with postoperative opening gaps on 3D CT. In addition, postoperative tibial slope did not increase, even when the anterior gap was larger than the posterior gap.

trial registrationTRIAL REGISTRATION NUMBER: KCT0001905 , April 29, 2016.

Indexed as

Bone PlatesBone ScrewsFemaleHumansImaging, Three-DimensionalKnee JointMaleMiddle AgedOsteoarthritis, KneeOsteotomyPatient Care PlanningPostoperative PeriodPreoperative PeriodProspective StudiesRadiographySurgery, Computer-Assisted3D-CTHigh tibial osteotomyNavigationOpening gapPosterior slope

Identifiers

PMID27193431
PMCPMC4870798
OpenAlexW2396033737

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.