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University Hospital Bern and University of Bern

6 ARTICLES PUBLISHED IN JoVE

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Medicine

Discovering Middle Ear Anatomy by Transcanal Endoscopic Ear Surgery: A Dissection Manual
Lukas Anschuetz 1,2, Livio Presutti 2, Daniele Marchioni 3, Marco Bonali 2, Wilhelm Wimmer 1,4, Domenico Villari 2, Marco Caversaccio 1,4
1Department of Otorhinolaryngology, Head and Neck Surgery, Inselspital, Bern University Hospital, University of Bern, 2Department of Otorhinolaryngology, Head & Neck Surgery, University Hospital of Modena, 3Department of Otorhinolaryngology, Head & Neck Surgery, University Hospital of Verona, 4Artificial Hearing Research, Artorg Center for Biomedical Engineering, University of Bern

The aim of this article is to describe the methodology of exclusively endoscopic cadaveric middle ear dissection. Moreover, we aim to provide a comprehensive guide to endoscopic middle ear anatomy.

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Medicine

The Microscopic Transcanal Approach in Stapes Surgery Revisited
Georgios Mantokoudis 1, Stefan Weder 1, Lukas Anschuetz 1, Sandra Gunser 1, Urs Borner 1, Marco D. Caversaccio 1
1Department of Otorhinolaryngology, Head and Neck Surgery, lnselspital, Bern University Hospital, University of Bern

This article describes the microscopic transcanal technique for stapes surgery, providing step-by-step surgical instructions for familiarizing surgeons with this approach.

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Medicine

Performing Intracochlear Electrocochleography During Cochlear Implantation
Klaus Schuerch 1,2, Manuel Waser 1, Georgios Mantokoudis 1, Lukas Anschuetz 1, Wilhelm Wimmer 1,2, Marco Caversaccio 1,2, Stefan Weder 1
1Department of Otorhinolaryngology, Head and Neck Surgery, Inselspital, Bern University Hospital, University of Bern, 2Hearing Research Laboratory, ARTORG Center for Biomedical Engineering Research, University of Bern

Electrocochleography (ECochG) measures inner ear potentials generated in response to acoustic stimulation. In cochlear implant (CI) candidates, such inner ear potentials can be measured directly with the implant electrodes. In this video, we systematically explain how to perform ECochG recordings during CI surgery.

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Medicine

Endoscopic Cholesteatoma Surgery
Sven Beckmann 1, Georgios Mantokoudis 1, Stefan Weder 1, Urs Borner 1, Marco Caversaccio 1, Lukas Anschuetz 1
1Department of Otorhinolaryngology, Head and Neck Surgery, Inselspital, Bern University Hospital, University of Bern

The present protocol describes a step-by-step guide for the complete endoscopic removal of epitympanic cholesteatoma with different techniques for cholesteatoma dissection and bone removal for epitympanectomy.

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Neuroscience

Measuring the Influence of Magnetic Vestibular Stimulation on Nystagmus, Self-Motion Perception, and Cognitive Performance in a 7T MRT
Gerda Wyssen 1,6, Miranda Morrison 2, Athanasia Korda 2, Wilhelm Wimmer 2,3, Jorge Otero-Millan 4, Matthias Ertl 1, Andreas A. Szukics 1,6, Thomas Wyss 2, Franca Wagner 5,6, Marco D. Caversaccio 2,3, Georgios Mantokoudis 2,6, Fred W. Mast 1,6
1Department of Psychology, University of Bern, 2Department of Otorhinolaryngology, Head and Neck Surgery, lnselspital, University Hospital Bern and University of Bern, 3Hearing Research Laboratory, ARTORG Center for Biomedical Engineering Research, University of Bern, 4Herbert Wertheim School of Optometry and Vision Science, University of California, 5University Department of Diagnostic and Interventional Neuroradiology, Inselspital, Bern University Hospital, University of Bern, 6Translational Imaging Center (TIC), Swiss Institute for Translational and Entrepreneurial Medicine

In this article, we describe the experimental setup, material, and procedures to assess reflexive eye movements, self-motion perception, and cognitive tasks under magnetic vestibular stimulation, as well as the anatomical orientation of the vestibular organs, in a 7 Tesla Magnetic resonance tomography (7T-MRT) scanner.

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Medicine

Robotic Cochlear Implantation for Direct Cochlear Access
Marco Caversaccio 1,2, Georgios Mantokoudis 1, Franca Wagner 3, Philipp Aebischer 1,2, Stefan Weder 1,2, Wilhelm Wimmer 1,2
1Department of Otorhinolaryngology, Head and Neck Surgery, Inselspital, Bern University Hospital, University of Bern, 2Hearing Research Laboratory, ARTORG Center for Biomedical Engineering Research, University of Bern, 3Department of Diagnostic and Interventional Neuroradiology, Inselspital, Bern University Hospital

Robotic cochlear implantation is a procedure for minimally invasive inner ear access. Compared to conventional surgery, robotic cochlear implantation involves additional steps that need to be carried out in the operating room. In this article we give a description of the procedure and highlight the important aspects of robotic cochlear implantation.

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