MED-EL 1 article published in JoVE Medicine Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation Nora M. Weiss1,2,3,4,5, Stefan Hans6, Martin Wozniak6, Aline Föger6, Stefan Dazert1, Vincent Van Rompaey2,7, Paul Van de Heyning2,7, Joachim Schmutzhard8, Angelika Dierker6 1Department of Otorhinolaryngology-Head and Neck Surgery, Ruhr-University Bochum, St. Elisabeth-Hospital Bochum, 2Department of Translational Neurosciences, Faculty of Medicine and Health Sciences, University of Antwerp, 3International Graduate School of Neuroscience (IGSN), Ruhr-University Bochum, 4Technical University of Munich, 5Department of Otorhinolaryngology, TUM School of Medicine, Klinikum rechts der Isar, 6MED-EL, 7Department of Otorhinolaryngology and Head & Neck Surgery, Antwerp University Hospital, 8Department of Otorhinolaryngology-Head and Neck Surgery, Medical University Innsbruck Here we present a protocol to conduct repeated impedance telemetry measurements during cochlear implantation (CI). They may allow conclusions on the electrode's and implant's function. Repeated impedance measurements enable objective feedback on whether the electrode is positioned inside the perilymph or outside the inner ear.
