Evidence map›Paper›PMID 34406508›Full record

ArticleArchives of orthopaedic and trauma surgery2023

Fixation stability and implant-associated complications in periacetabular osteotomy: a comparison of screw and K-wire fixation.

Vincent Justus Leopold, Juana Conrad, Robert Karl Zahn, Christian Hipfl, Carsten Perka, Sebastian Hardt

Open access · hybridAbstract readComparative Study
In one paragraph

Article in Archives of orthopaedic and trauma surgery, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed, 1 pooled it
1.0field-weighted citation impact, top 23% 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

7 citing papers in PubMed, 1 synthesis or guideline pooled it, 9 citations in OpenAlex.

  1. Pooled it
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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

6 authors at 1 institution in 1 country.

Vincent Justus LeopoldDepartment of Orthopaedic Surgery and Traumatology, Charité Berlin, University Hospital Berlin, Chariteplatz 1, 10117, Berlin, Germany.ORCID http://orcid.org/0000-0002-3476-4602
Juana ConradDepartment of Orthopaedic Surgery and Traumatology, Charité Berlin, University Hospital Berlin, Chariteplatz 1, 10117, Berlin, Germany.
Robert Karl ZahnDepartment of Orthopaedic Surgery and Traumatology, Charité Berlin, University Hospital Berlin, Chariteplatz 1, 10117, Berlin, Germany.
Christian HipflDepartment of Orthopaedic Surgery and Traumatology, Charité Berlin, University Hospital Berlin, Chariteplatz 1, 10117, Berlin, Germany.
Carsten PerkaDepartment of Orthopaedic Surgery and Traumatology, Charité Berlin, University Hospital Berlin, Chariteplatz 1, 10117, Berlin, Germany.
Sebastian HardtDepartment of Orthopaedic Surgery and Traumatology, Charité Berlin, University Hospital Berlin, Chariteplatz 1, 10117, Berlin, Germany. sebastian.hardt@charite.de.
Charité - Universitätsmedizin Berlin · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

aimsThe aim of this study was to compare the fixation stability and complications in patients undergoing periacetabular osteotomy (PAO) with either K-wire or screw fixation. PATIENTS AND

methodsWe performed a retrospective study to analyze a consecutive series of patients who underwent PAO with either screw or K-wire fixation. Patients who were treated for acetabular retroversion or had previous surgery on the ipsilateral hip joint were excluded. 172 patients (191 hips: 99 K-wire/92 screw fixation) were included. The mean age at the time of PAO was 29.3 years (16-48) in the K-wire group and 27.3 (15-45) in the screw group and 83.9% were female. Clinical parameters including duration of surgery, minor complications (soft tissue irritation and implant migration) and major complications (implant failure and non-union) were evaluated. Radiological parameters including LCE, TA and FHEI were measured preoperatively, postoperatively and at 3-months follow-up.

resultsDuration of surgery was significantly reduced in the K-wire group with 88.2 min (53-202) compared to the screw group with 119.7 min (50-261) (p < 0.001). Soft tissue irritation occurred significantly more often in the K-wire group (72/99) than in the screw group (36/92) (p < 0.001). No group showed significantly more implant migration than the other. No major complications were observed in either group. Postoperative LCE, TA and FHEI were improved significantly in both groups for all parameters (p = < 0.0001). There was no significant difference for initial or final correction for the respective parameters between the two groups. Furthermore, no significant difference in loss of correction was observed between the two groups for the respective parameters.

conclusionK-wire fixation is a viable and safe option for fragment fixation in PAO with similar stability and complication rates as screw fixation. An advantage of the method is the significantly reduced operative time. A disadvantage is the significantly higher rate of implant-associated soft tissue irritation, necessitating implant removal. LEVEL OF EVIDENCE: III, retrospective trial.

Indexed as

AcetabulumHip JointBone ScrewsFemaleHumansMaleOsteotomyPostoperative ComplicationsRetrospective StudiesTreatment OutcomeDevelopmental dysplasia of the hipFixation optionsPeriacetabular osteotomySurgical technique

Identifiers

PMID34406508
PMCPMC9925476
OpenAlexW3195074629

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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.