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Amplified music exposure carries risks to hearing.
International Journal of Pediatric Otorhinolaryngology 2017 Februrary
OBJECTIVE: To investigate the association between changes in the outer hair cells and exposure to amplified music in a group of high-school students.
MATERIALS AND METHODS: In this retrospective, case-control study, 86 subjects underwent audiometry, immittance audiometry, and distortion-product otoacoustic emission tests. The subjects were questioned about their listening habits and divided into 2 groups: exposed and unexposed.
RESULTS: Most of the subjects had reduced function in their outer hair cells, mainly beginning at 8 kHz. Among 60 subjects-30 cases and 30 controls-75% were considered exposed and 25% unexposed. The exposed subjects were 9.33 times more likely to have altered outer hair cells than the unexposed subjects were.
CONCLUSION: Exposure to amplified music is associated with reduced function in the hair cells.
MATERIALS AND METHODS: In this retrospective, case-control study, 86 subjects underwent audiometry, immittance audiometry, and distortion-product otoacoustic emission tests. The subjects were questioned about their listening habits and divided into 2 groups: exposed and unexposed.
RESULTS: Most of the subjects had reduced function in their outer hair cells, mainly beginning at 8 kHz. Among 60 subjects-30 cases and 30 controls-75% were considered exposed and 25% unexposed. The exposed subjects were 9.33 times more likely to have altered outer hair cells than the unexposed subjects were.
CONCLUSION: Exposure to amplified music is associated with reduced function in the hair cells.
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