Training model for salvage procedures in endoscopic stapes surgery.

Advanced procedures in stapes surgery Animal model Complications in stapes surgery Endoscopic ear surgery Stapes surgery Surgical training

Journal

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
ISSN: 1434-4726
Titre abrégé: Eur Arch Otorhinolaryngol
Pays: Germany
ID NLM: 9002937

Informations de publication

Date de publication:
Apr 2021
Historique:
received: 11 03 2020
accepted: 20 06 2020
pubmed: 28 6 2020
medline: 29 4 2021
entrez: 28 6 2020
Statut: ppublish

Résumé

The learning curve in endoscopic stapes surgery, is flat and long. There is limited space during training for advanced and salvage procedures, which could be necessary in unexpected intraoperative scenarios. The aim of the present study is to develop an ex-vivo animal model for training in salvage and advanced procedures in endoscopic stapes surgery METHODS: After defining the difficult intraoperative scenarios requiring a salvage procedure during stapes surgery, we used the ovine model to create those intraoperative situations. After assessing the suitability of the model for that purpose, it was validated by subjective feedback rating (scale from 1 to 10) and by comparing the relevant anatomical structures for stapes surgery with the human. Finally, an optimal sequence of surgical steps was defined. 8 Fresh frozen lamb heads (16 ears) were studied. The selected intraoperative scenarios were: floating footplate, footplate fracture, luxation of the incus or necrosis of the long process, overhanging facial nerve, obliterative otosclerosis. The simulation resulted feasible and close to real. The mean overall rating for surgical scenarios ranged from 7.5 to 8.8 for residents and was consistent with the rating of senior surgeons, ranging from 7.67 and 9.0. Anatomical measures of the oval window area resulted similar between the ovine and the human. The ex-vivo ovine model is a suitable model for training in salvage and advanced procedures in exclusively endoscopic stapes surgery. The model can be used both for the training and maintenance of the acquired advanced skills in endoscopic stapes surgery.

Identifiants

pubmed: 32592010
doi: 10.1007/s00405-020-06166-6
pii: 10.1007/s00405-020-06166-6
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

987-995

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Auteurs

Ignacio Javier Fernandez (IJ)

Otolaryngology Head and Neck Surgery Department, Modena University, University Hospital of Modena (Policlinico Di Modena, Azienda Ospedaliero-Universitaria Di Modena, Università Di Modena E Reggio Emilia), Via del Pozzo 71, 41124, Modena, Italy. ignaciojavier.fernandez@unimore.it.

Marco Bonali (M)

Otolaryngology Head and Neck Surgery Department, Modena University, University Hospital of Modena (Policlinico Di Modena, Azienda Ospedaliero-Universitaria Di Modena, Università Di Modena E Reggio Emilia), Via del Pozzo 71, 41124, Modena, Italy.

Abraam Yacoub (A)

Department of Otorhinolaryngology-Head and Neck Surgery, Inselspital, University Hospital and University of Bern, Bern, Switzerland.
Department of Otorhinolaryngology-Head and Neck Surgery, Faculty of Medicine, Ain Shams University, Cairo, Egypt.

Michael Ghirelli (M)

Otolaryngology Head and Neck Surgery Department, Modena University, University Hospital of Modena (Policlinico Di Modena, Azienda Ospedaliero-Universitaria Di Modena, Università Di Modena E Reggio Emilia), Via del Pozzo 71, 41124, Modena, Italy.

Matteo Fermi (M)

Otolaryngology Head and Neck Surgery Department, Modena University, University Hospital of Modena (Policlinico Di Modena, Azienda Ospedaliero-Universitaria Di Modena, Università Di Modena E Reggio Emilia), Via del Pozzo 71, 41124, Modena, Italy.

Livio Presutti (L)

Otolaryngology Head and Neck Surgery Department, Modena University, University Hospital of Modena (Policlinico Di Modena, Azienda Ospedaliero-Universitaria Di Modena, Università Di Modena E Reggio Emilia), Via del Pozzo 71, 41124, Modena, Italy.

Marco Caversaccio (M)

Department of Otorhinolaryngology-Head and Neck Surgery, Inselspital, University Hospital and University of Bern, Bern, Switzerland.

Lukas Anschuetz (L)

Department of Otorhinolaryngology-Head and Neck Surgery, Inselspital, University Hospital and University of Bern, Bern, Switzerland.

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