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Medicine

Published: August 4, 2023 doi: 10.3791/65600
Automatic Translation
1,2,3,4,5, 6, 6, 6, 1, 2,7, 2,7, 8, 6
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

Materials

Name Company Catalog Number Comments
Audacity Open source https://www.audacityteam.org/ Audio editor software
Coil cable Any appropriate brand Implant interface
Computer Any appropriate brand
Electrode array MED-EL https://s3.medel.com/pdf/21617.pdf Standard, FlexSoft, Flex28
IM Software MED-EL https://www.medel.com/
Maestro MED-EL https://www.medel.com/
MAX Interface USB Any appropriate brand Interface connection
Octenisept SCHÜLKE & MAYR GmbH N/A
Open Broadcaster Software Open source https://obsproject.com/ Video recording software
Spongostan  Ethicon N/A Resorbable sponge
Ultracain 1%  Suprarenin, Sanofi N/A Local anesthesia

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References

  1. Dalbert, A., et al. Hearing preservation after cochlear implantation may improve long-term word perception in the electric-only condition. Otology & Neurotology. 37 (9), 1314-1319 (2016).
  2. Thompson, N. J., et al. Electrode array type and its impact on impedance fluctuations and loss of residual hearing in cochlear implantation. Otology & Neurotology. 41 (2), 186-191 (2020).
  3. Aebischer, P., Meyer, S., Caversaccio, M., Wimmer, W. Intraoperative impedance-based estimation of cochlear implant electrode array insertion depth. IEEE Transactions on Biomedical Engineering. 68 (2), 545-555 (2021).
  4. Choi, J., et al. Electrode impedance fluctuations as a biomarker for inner ear pathology after cochlear implantation. Otology & Neurotology. 38 (10), 1433-1439 (2017).
  5. Shaul, C., et al. Electrical impedance as a biomarker for inner ear pathology following lateral wall and peri-modiolar cochlear implantation. Otology & Neurotology. 40 (5), e518-e526 (2019).
  6. Bester, C., et al. Four-point impedance as a biomarker for bleeding during cochlear implantation. Scientific Reports. 10 (1), 2777 (2020).
  7. MED-EL. , https://www.medel.com/ (2023).
  8. Lenarz, T. Cochlear implant - state of the art. GMS Current Topics in Otorhinolaryngology, Head and Neck Surgery. 16, Doc04 (2018).
  9. Gawęcki, W., et al. Robot-assisted electrode insertion in cochlear implantation controlled by intraoperative electrocochleography-A pilot study. Journal of Clinical Medicine. 11 (23), 7045 (2022).
  10. Jia, H., et al. Molecular and cellular mechanisms of loss of residual hearing after cochlear implantation. Annals of Otology, Rhinology, and Laryngology. 122 (1), 33-39 (2013).
  11. Eshraghi, A. A., Van de Water, T. R. Cochlear implantation trauma and noise-induced hearing loss: Apoptosis and therapeutic strategies. The Anatomical Record. Part A, Discoveries in Molecular, Cellular, and Evolutionary Biology. 288 (4), 473-481 (2006).
  12. Van De Water, T. R., et al. Caspases, the enemy within, and their role in oxidative stress-induced apoptosis of inner ear sensory cells. Otology & Neurotology. 25 (4), 627-632 (2004).
  13. Roland, P. S., Wright, C. G. Surgical aspects of cochlear implantation: mechanisms of insertional trauma. Advances in Oto-Rhino-Laryngology. 64, 11-30 (2006).
  14. Tien, H. -C., Linthicum, F. H. J. Histopathologic changes in the vestibule after cochlear implantation. Otolaryngology-- Head and Neck Surgery. 127 (4), 260-264 (2002).
  15. Lenarz, T., et al. Relationship between intraoperative electrocochleography and hearing preservation. Otology & Neurotology. 43 (1), e72-e78 (2022).
  16. Bester, C., et al. Electrocochleography triggered intervention successfully preserves residual hearing during cochlear implantation: Results of a randomised clinical trial. Hearing Research. 426, 108353 (2022).
  17. O'Leary, S., et al. Intraoperative observational real-time electrocochleography as a predictor of hearing loss after cochlear implantation: 3 and 12 month outcomes. Otology & Neurotology. 41 (9), 1222-1229 (2020).
  18. Dong, Y., Briaire, J. J., Siebrecht, M., Stronks, H. C., Frijns, J. H. M. Detection of translocation of cochlear implant electrode arrays by intracochlear impedance measurements. Ear and Hearing. 42 (5), 1397-1404 (2021).
  19. Giardina, C. K., Krause, E. S., Koka, K., Fitzpatrick, D. C. Impedance measures during in vitro cochlear implantation predict array positioning. IEEE Transactions on Biomedical Engineering. 65 (2), 327-335 (2018).
  20. Sijgers, L., et al. Predicting cochlear implant electrode placement using monopolar, three-point and four-point impedance measurements. IEEE Transactions on Biomedical Engineering. 69 (8), 2533-2544 (2022).
  21. Salkim, E., Zamani, M., Jiang, D., Saeed, S. R., Demosthenous, A. Insertion guidance based on impedance measurements of a cochlear electrode array. Frontiers in Computational Neuroscience. 16, 862126 (2022).
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Cite this Article

Weiss, N. M., Hans, S., Wozniak, M., … More

Weiss, N. M., Hans, S., Wozniak, M., Föger, A., Dazert, S., Van Rompaey, V., Van de Heyning, P., Schmutzhard, J., Dierker, A. Performing Repeated Intraoperative Impedance Telemetry Measurements during Cochlear Implantation. J. Vis. Exp. (198), e65600, doi:10.3791/65600 (2023).

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