PMID: 8969760Dec 1, 1996Paper

Effect of temperature elevation on rabbit cochlear function as measured by distortion-product otoacoustic emissions

Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
W S NoyesV J Suman

Abstract

Low-intensity laser stapedotomy has been shown to produce temperature elevations of 3 degrees to 4 degrees C within the cochlea. This study investigates the effect of temperature elevations in this range on cochlear outer hair cell function by use of distortion-product otoacoustic emissions in rabbits. Using esophageal temperature monitoring, we compared 2f1-f2 distortion-product otoacoustic emissions over a range of frequencies (1806 to 8691 Hz) at rabbit normothermia, normothermia plus 3 degrees C, and normothermia after passive cooling. Cochlear temperature was found to exceed changes in esophageal temperature by as much as 1.2 degrees C. We found that a maximum of 3 degrees C elevation in esophageal temperature did not permanently impair outer hair cell function in the rabbit cochlea. Results of this study suggest that moderate changes in cochlear temperature, such as those produced by low-intensity CO2 and holmium-yttrium aluminum garnet lasers, may not produce irreversible thermal damage to the cochlear outer hair cells.

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Citations

Sep 5, 2009·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Domenico CudaNicoletta Tinelli
Mar 19, 2013·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Christoph BraseJoachim Hornung
May 26, 2006·Journal of the Association for Research in Otolaryngology : JARO·Sebastiaan W F Meenderink, Pim van Dijk
Jul 25, 2013·European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·Digna M A KamalskiWilko Grolman
May 2, 2009·Journal of Biomedical Optics·Ryan G McCaugheyBrian J F Wong
Mar 24, 2016·European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·Bruno SergiGaetano Paludetti
May 2, 2014·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Digna M A KamalskiWilko Grolman
Aug 7, 1998·Lasers in Surgery and Medicine·S JovanovicH Scherer
Dec 5, 2019·Biomedical Optics Express·Marilisa RomitoDemetri Psaltis
Oct 10, 2014·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Digna M A KamalskiWilko Grolman

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