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  • Title: Some vascular effects of noise exposure in the chinchilla cochlea.
    Author: Vertes D, Axelsson A, Lipscomb DM.
    Journal: Arch Otorhinolaryngol; 1979; 224(1-2):97-101. PubMed ID: 485955.
    Abstract:
    Chinchillas were exposed to pink noise at levels ranging from 110 dB (for 8 h) to 125 dB (for 1/4 h). After a 3-week survival period, the animals were terminated without anesthesia and tissues were prepared using a soft-surface preparation technique [Axelsson et al., Acta Otolaryngol. 80, 362 (1975)]. Cochlear hair cell damage as well as vascular pathology was slight. On occasion, a vessel or vessel segment was obviously atypical, thus allowing noise-exposed animals to be differentiated from their non-noise-exposed controls. More often, however, differences between animals were more discrete and only evident through a computer analysis of the data. The specific effects of these particular noise-exposure parameters on the cochlear blood supply of the chinchilla will be discussed.
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