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Ototoxic effects of cisplatin in a Sprague-Dawley rat animal model as revealed by ABR and transiently evoked otoacoustic emission measurements |
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| Authors: | Hatzopoulos Stavros Petruccelli Joseph Laurell Goran Avan Paul Finesso Mario Martini Alessandro |
| Affiliation: | a Department of Audiology and Center of Bioacoustics, University of Ferrara, 203 Corso Giovecca, 44100, Ferrara, Italy b Department of Mathematical Sciences, Worcester Polytechnic Institute, Worcester, MA, USA c Department of Otolaryngology, Karolinska Hospital, Stockholm, Sweden d Laboratory of Sensory Biophysics, School of Medicine, Clermont Ferrand, France e Fidia Research Laboratories, Abano Terme, Padova, Italy |
| Abstract: | The ototoxic effects of cisplatin in a Sprague–Dawley rat model were evaluated by recordings of auditory brainstem responses (ABR) and transiently evoked otoacoustic emissions (TEOAEs). The ABR responses were evoked from alternating clicks and 8, 10, 12, 16, 20 and 30 kHz tone pips in a range from 40 to 100 dB SPL range. The TEOAEs were recorded with a non-linear protocol, and were evoked by a 63.5 dB SPL click stimulus. Twenty five male Sprague–Dawley rats were used in the study, 20 animals were treated with cisplatin (16 mg/kg, body weight) and five animals served as controls. The data showed that 72 h after the cisplatin administration, the TEOAE and ABR variables were significantly altered. The relationship between the ABR and TEOAE variables was shown to be non-linear. The most significant relationships were observed between the TEOAE correlation and the ABR threshold values at 10, 12, and 16 kHz. |
| Keywords: | Author Keywords: Ototoxicity Cisplatin Otoacoustic emissions Transiently evoked otoacoustic emission Auditory brainstem response |
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