Morphological Changes of the Spiral Vessel after Rock Music Exposure

Okada, Hirofumi; Yamane, Hideo; Nakai, Yousuke

doi:10.3109/00016489109134983

Cited by 7 publications

(4 citation statements)

References 6 publications

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“…This finding suggests that their occupational noise exposure has an adverse physiological effect on hearing, and that the degree of this effect is related to sound intensity [Mollar, 1977;Okada et al, 1991].…”

Section: Discussionmentioning

confidence: 99%

Risks of developing noise-induced hearing loss in employees of urban music clubs

Gunderson¹,

Moline

Catalano

1997

Am. J. Ind. Med.

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Section: Discussionmentioning

confidence: 99%

Risks of developing noise-induced hearing loss in employees of urban music clubs

Gunderson¹,

Moline

Catalano

1997

Am. J. Ind. Med.

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“…An acoustic analysis of the rock music used in this study is shown in Okada et al [13], After sound exposure, 4 of the experimental animals were sacrificed immediately, and the other animals were divided into two survival intervals: 1 day (n = 4) and 3 days (n = 4). An additional 3 chicks served as age-matched controls.…”

Section: Methodsmentioning

confidence: 99%

Two Modes of Auditory Hair Cell Loss following Acoustic Overstimulation in the Avian Inner Ear

Nakagawa

Yamane²,

Shibata³

et al. 1997

ORL

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To determine the type of cell death occurring and how the removal of damaged cells proceeds following overstimulation, we examined chick basilar papillae using an in situ DNA nick end labeling method and transmission electron microscopy. Two distinct modes of hair cell loss were identified. First, hair cells which had not progressed into typical cell death processes, apoptosis or ncecrosis, were deleted by extrusion from the epithelium just after sound exposure. Second, hair cells manifested degeneration through the process of apoptosis, then further deterioration within the epithelium after the beginning of the process of hair cell regeneration. The latter mode may contribute to the following repair processes.

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“…So wurde nach einer einmaligen 3 h dauernden Beschallung mit Rockmusik (110-120 dBSPL) eine temporäre Konstriktion der Basilarmembrangefäße unterhalb des Corti-Tunnels [43] und eine verminderte striale Mikrozirkulation beobachtet [59,61].Danach stieg die Produktion reaktiver Sauerstoffspezies in den Marginalzellen innerhalb von 24 h exponentiell an [60,61]. Reaktive Sauerstoff-und Stickstoffspezies verursachen einen genetisch programmierten (apoptotischen) Zelltod,wobei die Integrität der Zellmembranen vorerst erhalten bleibt.…”

Section: Knalltraumaunclassified

Innenohrsch�den durch Freizeitl�rm und Breitbandrauschen

Lamm

Michaelis

Deingruber

et al. 2004

HNO

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The initial and permanent effects of leisure noise (toy pistols, rock music) compared to broadband noise were examined in 68 guinea pigs. Auditory threshold shifts at 1.5, 2, 3, 4, 6, 8, 12 und 16 kHz were registered before and immediately after exposure as well as on days 1, 2, 3, 5,7 and 21 post-exposure using the auditory brain stem response (ABR) technique. In order to examine cilia and hair cell damage in eight cochlear frequency regions (<0,4 kHz, 0,4-0,8 kHz, 0,8-1.5 kHz, 1.5-3 kHz, 3-5 kHz, 5-11.5 kHz, 11.5-26 kHz und >26 kHz), cytocochleograms were performed immediately after exposure and on days 1, 7 and 21.Frequency dependent functional or morphological damage was found which depended on the type of trauma tested. All results were highly significant ( P<0.001). The results show that partial recovery of hearing occurred within 3 days of acute acoustic trauma induced by toy pistols and within 1 day after exposure to rock music or broadband noise. There was no further recovery of hearing within the following 18 and 20 days, respectively. Furthermore, permanent threshold shifts after exposure to rock music or broadband noise were not associated with cilia and/or hair cell damage.

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Morphological Changes of the Spiral Vessel after Rock Music Exposure

Cited by 7 publications

References 6 publications

Risks of developing noise-induced hearing loss in employees of urban music clubs

Risks of developing noise-induced hearing loss in employees of urban music clubs

Two Modes of Auditory Hair Cell Loss following Acoustic Overstimulation in the Avian Inner Ear

Innenohrsch�den durch Freizeitl�rm und Breitbandrauschen

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