Evidence map›Paper›PMID 29872869›Full record

ArticleKnee surgery, sports traumatology, arthroscopy : official journal of the ESSKA2019

Accuracy of tibial cuts with patient-specific instrumentation is not influenced by the surgeon's level of experience.

Alexander Antoniadis, Roland S Camenzind, Michael O Schär, Dario Bergadano, Näder Helmy

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Article in Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing 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

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3 · Its place in the literature

Who cites it

4 citing papers in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Alexander AntoniadisDepartment of Orthopedic Surgery, Bürgerspital Solothurn, Schöngrünstrasse 38, 4500, Solothurn, Switzerland.
Roland S CamenzindDepartment of Orthopedic Surgery, Bürgerspital Solothurn, Schöngrünstrasse 38, 4500, Solothurn, Switzerland.
Michael O SchärDepartment of Orthopedic Surgery, Bürgerspital Solothurn, Schöngrünstrasse 38, 4500, Solothurn, Switzerland.
Dario BergadanoMedacta International SA, Castel San Pietro, Switzerland.
Näder HelmyDepartment of Orthopedic Surgery, Bürgerspital Solothurn, Schöngrünstrasse 38, 4500, Solothurn, Switzerland. naeder.helmy@spital.so.ch.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeIt was hypothesized that surgeon's experience as well as bone density play a significant role in achieving accurate cuts with patient-specific instrumentation (PSI). The aim of this study was to compare the accuracy of the tibial cuts in different bone densities made by a highly experienced orthopedic surgeon on one hand and a less experienced orthopedic surgeon on the other.

methodsTibial models from three different sawbone densities were developed for this study. Each surgeon performed 21 cuts. A coordinate measuring machine was used to analyse the cuts. The K-Cohen test was performed to evaluate the results. The analyzed parameters were guide positioning and deviation from the guide cut to the tibial cut, including varus/valgus angle, the tibial slope, cut height, planarity (mm

resultsThere was a significant difference in the positioning of the tibial cut guide between the two surgeons for the tibial slope (p < 0.05), while no difference was observed for the varus/valgus angle (n.s.) and the cut height (n.s.). No significant difference in the tibial cut was observed between the surgeons for the tibial slope angle (n.s.), varus/valgus angle (n.s.), planarity (n.s.), and rugosity (n.s.). In the different bone types, no significant difference was observed for the tibial slope (n.s.) and varus/valgus angle (n.s.), while planarity and rugosity showed significant differences (p < 0.05). Our study showed no significant difference in the tibial cuts for the tibial slope, varus/valgus angle, planarity, and rugosity between the two surgeons.

conclusionsIn the present study, it could be demonstrated that accuracy of the cuts is ensured by PSI not depending on the surgeon's experience and the bone mineral density. This speaks to its clinical significance: PSI might be suited for less experienced surgeons to reduce outliers in total knee arthroplasty (TKA).

Indexed as

Clinical CompetenceOrthopedic SurgeonsAgedArthroplasty, Replacement, KneeBone DensityEquipment DesignFemaleHumansKnee JointMaleOrthopedicsReproducibility of ResultsSurgery, Computer-AssistedTibiaPatient-specific instrumentationTibial cut accuracyTotal knee arthroplasty

Identifiers

PMID29872869

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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.