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The effect of large single radiation doses on cochlear implant function: implications for radiosurgery

  • Otology
  • Published:
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Abstract

The purpose of this study was to investigate the effect of large single doses of radiation on the function of a cochlear implant. A cochlear implant (Nucleus® 24 k, Cochlear Ltd., Sydney, Australia) was implanted into a cadaver head and tested for functional changes following irradiation. Within 2 h, the device was given single fractions of 16.3 Gy, 6.2 Gy and 20 Gy with 6 MV photons. The size of the fractions was derived from maximum doses registered in linear accelerator-based radiosurgery of more than 300 patients treated for benign or malignant tumors at the Department of Radiation Therapy of the University Hospital of Freiburg. After each treatment an integrity test was performed testing the impedance and current output of the CI system. The total dose of 42.5 Gy caused no changes with regard to the tested parameters. The risk of implant failure seems to be low for Nucleus® 24 k cochlear implants exposed to large single doses of radiation as used in radiosurgery.

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References

  1. Sanghavi SN, Miranpuri SS, Chappell R, Buatti JM, Sneed PK, Suh JH, Regine WF, Weltman E, King VJ, Goetsch SJ, Breneman JC, Sperduto PW, Scott C, Mabanta S, Mehta MP (2001) Radiosurgery for patients with brain metastases: a multi-institutional analysis, stratified by the RTOG recursive partitioning analysis method. Int J Radiat Oncol Biol Phys 51:426–434

    CAS  PubMed  Google Scholar 

  2. Kondziolka D, Levy EI, Niranjan A, Flickinger JC, Lunsford LD (1999) Long-term outcomes after meningioma radiosurgery: physician and patient perspectives. J Neurosurg 91:44–50

    CAS  PubMed  Google Scholar 

  3. Flickinger JC, Kondziolka D, Niranjan A, Lunsford LD (2001) Results of acoustic neuroma radiosurgery: an analysis of 5 years experience using current methods. J Neurosurg 94:1–6

    CAS  Google Scholar 

  4. Pollock BE, Flickinger JC (2002) A proposed radiosurgery-based grading system for arteriovenous malformations. J Neurosurg 96:79–85

    PubMed  Google Scholar 

  5. Maesawa S, Salame C, Flickinger JC, Pirris S, Kondziolka D, Lunsford LD (2001) Clinical outcomes after stereotactic radiosurgery for idiopathic trigeminal neuralgia. J Neurosurg 94:14–20

    CAS  PubMed  Google Scholar 

  6. Leksell gamma knife treatment statistics. ttp://www.elekta.com/ContentInternational.nsf

  7. Laszig R, Aschendorff A (1999) Cochlear implants and electrical brainstem stimulation in sensorineural hearing loss. Curr Opin Neurol 12:41–44

    Article  CAS  PubMed  Google Scholar 

  8. Baumann R, Lesinski-Schiedat A, Goldring JE, Gnadeberg D, Rittmann KL, Battmer RD, Karstens J, Lenarz T (1999) The influence of ionizing radiation on the CLARION 1.2 cochlear implant during radiation therapy. Am J Otol 20:50–52

    CAS  PubMed  Google Scholar 

  9. Ralston A, Stevens G, Mahomudally E, Ibrahim I, Leckie E (1999) Cochlear implants: response to therapeutic irradiation. Int J Radiat Oncol Biol Phys 44:227–231

    Article  CAS  PubMed  Google Scholar 

  10. Last A (1998) Radiotherapy in patients with cardiac pacemakers. Br J Radiol 71:4–10

    CAS  PubMed  Google Scholar 

  11. Tsekos A, Momm F, Brunner M, Guttenberger R (2000) The cardiac pacemaker patient—might the pacer be directly irradiated? Acta Oncol 39:881–883

    Article  CAS  PubMed  Google Scholar 

  12. Biggs NDW, Ramsden RT (2001) Cochlear implantation in a previously irradiated temporal bone—a case report. Cochlear Implants Int 2:129–134

    Google Scholar 

  13. Anteunis LJC, Wanders SL, Hendriks JJT, Langendijk JA, Manni JJ, deJong JMA (1994) A prospective longitudinal study on radiation-induced hearing loss. Am J Surg 168:408–411

    CAS  PubMed  Google Scholar 

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Authors and Affiliations

  1. Department of Otorhinolaryngology and Head and Neck Surgery, University Hospital Freiburg, Killianstrasse 5, 79106, Freiburg, Germany

    Thomas Klenzner, Antje Aschendorff, Peter Pedersen, Mathias Stecker & Roland Laszig

  2. Department of Radiation Therapy, University Hospital Freiburg, Hugstetter Strasse 55, 79106, Freiburg, Germany

    Johannes Lutterbach

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  1. Thomas Klenzner
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  2. Johannes Lutterbach
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  3. Antje Aschendorff
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  4. Peter Pedersen
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  5. Mathias Stecker
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  6. Roland Laszig
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Correspondence to Thomas Klenzner.

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Klenzner, T., Lutterbach, J., Aschendorff, A. et al. The effect of large single radiation doses on cochlear implant function: implications for radiosurgery. Eur Arch Otorhinolaryngol 261, 251–255 (2004). https://doi.org/10.1007/s00405-003-0670-3

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  • DOI: https://doi.org/10.1007/s00405-003-0670-3

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