Summary
The regularly occurring cochlear vessels in the external wall and spiral lamina were studied in the guinea pig and chinchilla following exposure to various types and durations of noise. A soft-surface specimen technique with or without injection of a contrast medium into the vascular system was used, and the occurrence of specified vascular parameters was assessed using phase-contrast microscopy. Noise does not seem to result in any extraordinary vascular pathology, but a slight, overall decreased blood supply to the cochlea and localized changes depending on cochlear turn are suggested.
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Axelsson A, Vertes D, Miller J (1981) Immediate noise effects on cochlear vasculature in the guinea pig. Acta Otolaryngol (Stockh) 91: 237
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Vertes D, Axelsson A, Miller J, Lidén G (1981) Cochlear vascular and electrophysiological effects in the guinea pig to 4 kHz pure tones of different durations and intensities. Acta Otolaryngol (Stockh) (in press)
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This investigation was supported by the Labour Environment Protection Fund (78/69:2)
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Vertes, D., Axelsson, A. Cochlear vascular histology in animals exposed to noise. Arch Otorhinolaryngol 230, 285–288 (1981). https://doi.org/10.1007/BF00456331
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DOI: https://doi.org/10.1007/BF00456331