Packing of the cochleostomy site affects auditory nerve response thresholds in precurved off-stylet cochlear implants

Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology
Arie GordinKaren A Gordon

Abstract

To determine whether packing of the cochleostomy site influences electrically evoked compound action potential (ECAP) thresholds. Prospective nonrandomized control study. Tertiary referral pediatric hospital. Eleven consecutive children who received unilateral or bilateral cochlear implants (16 Nucleus 24RE Freedom precurved advanced off-stylet electrode arrays [Cochlear Corp., Lane Cove, New South Wales, Australia]) between June and September 2008. Electrically evoked compound action potential thresholds were evoked by stimulation of basal (electrode 3), mid (electrode 9), and apical (electrode 20) electrodes during cochlear implant surgery in the operating room. The first recording was completed immediately after insertion of the electrode array before cochleostomy packing, and the same measures were collected immediately after the packing. The time between recordings was 5 minutes. Electrically evoked compound action potential thresholds evoked by the apical electrode did not significantly change from pre- to post-cochleostomy packing, but ECAP thresholds increased significantly after packing when evoked by the mid-array electrode (mean, +10 clinical units; p < 0.001) and decreased significantly when evoked by the basal elec...Continue Reading

References

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Apr 21, 2001·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·M TykocinskiR S Cowan
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Jan 27, 2006·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Tina C HuangJ Thomas Roland
May 3, 2008·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Stefan K PlontkeAlec N Salt
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Citations

Jun 7, 2012·Acta Oto-laryngologica·Stephen E J ConnorAlec Fitzgerald O'Connor
May 12, 2017·Journal of Otolaryngology - Head & Neck Surgery = Le Journal D'oto-rhino-laryngologie Et De Chirurgie Cervico-faciale·Ingo TodtPhilipp Mittmann
Feb 2, 2013·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Karen A Gordon, Blake C Papsin
Oct 8, 2020·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Rolf SalcherAthanasia Warnecke
Apr 10, 2021·Laryngo- rhino- otologie·Robert ErnstDietmar Hecker

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