Evidence map›Paper›PMID 40517163›Full record

ArticleEuropean archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery2025

Exploratory assessment of an endolaryngeal surgical model with a novel hyperangulated 3D printed laryngoscope.

Viola D Hahn, Gabriel L Gschwend, Linus L Kienle, Leon R Schild, Jens Greve, Thomas K Hoffmann, Patrick J Schuler, Felix Böhm

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Article in European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0cells of the map it votes in
0citing papers in PubMed
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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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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

8 authors.

Viola D HahnDepartment of Otorhinolaryngology, Head and Neck Surgery, University Medical Centre Ulm, Frauensteige 12, 89075, Ulm, Germany.
Gabriel L GschwendDepartment of Otorhinolaryngology, Head and Neck Surgery, University Medical Centre Ulm, Frauensteige 12, 89075, Ulm, Germany.
Linus L KienleDepartment of Otorhinolaryngology, Head and Neck Surgery, University Medical Centre Ulm, Frauensteige 12, 89075, Ulm, Germany.
Leon R SchildDepartment of Otorhinolaryngology, Head and Neck Surgery, University Medical Centre Ulm, Frauensteige 12, 89075, Ulm, Germany.
Jens GreveDepartment of Otorhinolaryngology, Head and Neck Surgery, University Medical Centre Ulm, Frauensteige 12, 89075, Ulm, Germany.
Thomas K HoffmannDepartment of Otorhinolaryngology, Head and Neck Surgery, University Medical Centre Ulm, Frauensteige 12, 89075, Ulm, Germany.
Patrick J SchulerDepartment of Otorhinolaryngology, University Medical Centre Heidelberg, Im Neuenheimer Feld 400, 69120, Heidelberg, Germany.
Felix BöhmDepartment of Otorhinolaryngology, Head and Neck Surgery, University Medical Centre Ulm, Frauensteige 12, 89075, Ulm, Germany. felix.boehm@uniklinik-ulm.de.ORCID http://orcid.org/0000-0002-7291-7737

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveThis study introduces a hybrid training model for endolaryngeal surgeries integrating a porcine larynx into a plastic airway manikin. The study explores interventions with a conventional rigid laryngoscope as well as with the novel hyperangulated laryngoscope for surgery (sMAC).

methodsWe integrated a porcine larynx into a plastic airway manikin with blue markings on vocal folds simulating lesions and utilized a conventional rigid laryngoscope and the sMAC for endolaryngeal cordectomies and biopsies.

resultsThe setup provided clear visual exposure of the glottic plane, enabling precise surgical interventions. Trained surgeons and residents successfully performed cordectomies and biopsies on the model.

conclusionThe hybrid model offers a realistic, cost-effective solution for training and testing endolaryngeal surgical procedures, particularly with the sMAC. Despite anatomical differences between porcine and human larynges, the model’s affordability and tissue similarity render it a valuable training tool. Further studies are warranted to evaluate its efficacy for training.

Indexed as

LaryngectomyLaryngoscopesLaryngoscopyLarynxModels, AnatomicPrinting, Three-DimensionalAnimalsEquipment DesignHumansManikinsSwineVocal CordsEarly laryngeal cancerHead and neck surgeryPorcine modelSurgical trainingTransoral surgeryVideo laryngoscope

Identifiers

PMID40517163
PMCPMC12680703

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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.