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Swiss Institute for Translational and Entrepreneurial Medicine

6 ARTICLES PUBLISHED IN JoVE

Medicine

The Microscopic Transcanal Approach in Stapes Surgery Revisited

Georgios Mantokoudis¹, Stefan Weder¹, Lukas Anschuetz¹, Sandra Gunser¹, Urs Borner¹, Marco D. Caversaccio¹

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.

Medicine

Performing Intracochlear Electrocochleography During Cochlear Implantation

Klaus Schuerch^1,2, Manuel Waser¹, Georgios Mantokoudis¹, Lukas Anschuetz¹, Wilhelm Wimmer^1,2, Marco Caversaccio^1,2, Stefan Weder¹

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.

Medicine

Endoscopic Cholesteatoma Surgery

Sven Beckmann¹, Georgios Mantokoudis¹, Stefan Weder¹, Urs Borner¹, Marco Caversaccio¹, Lukas Anschuetz¹

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.

Behavior

Estimating Vestibular Perceptual Thresholds Using a Six-Degree-Of-Freedom Motion Platform

Matthias Ertl¹, Daniel C. Fitze¹, Gerda Wyssen¹, Fred W. Mast¹

¹Institute of Psychology, University of Bern

In this article, we describe the methods, procedures, and technologies required to estimate vestibular perceptual thresholds using a six-degree-of-freedom motion platform.

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 Morrison², Athanasia Korda², Wilhelm Wimmer^2,3, Jorge Otero-Millan⁴, Matthias Ertl¹, Andreas A. Szukics^1,6, Thomas Wyss², 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.

Medicine

Robotic Cochlear Implantation for Direct Cochlear Access

Marco Caversaccio^1,2, Georgios Mantokoudis¹, Franca Wagner³, 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.