Hearing and loud music exposure in 14-15 years old adolescents
Hearing and loud music exposure in 14-15 years old adolescents
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DOI：
10.4103/1463-1741.140512
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发表时间：
2014-09-01
期刊：
影响因子：
0.7
通讯作者：
Righetti, Andrea
中科院分区：
文献类型：
--
作者：
Serra, Mario R.;Biassoni, Ester C.;Righetti, Andrea
青少年接触大声音乐已成为一个社会和健康问题，其研究需要采取整体方法。本研究的目的是：(1) 检测青少年早期噪声性听力损失，并建立其与他们参与音乐娱乐活动的关系；(2) 确定夜总会和个人音乐播放器 (PMP) 的声音进入水平。 参与者包括 172 名来自技工高中的 14-15 岁青少年。进行了常规和扩展高频测听、瞬态诱发耳声发射和娱乐习惯调查问卷。听力阈值水平 (HTL) 分为：正常（第 1 组）、轻微变化（第 2 组）和显着变化（第 3 组）。音乐一般接触（MGE）来自于参与娱乐性音乐活动，分为低、中和高接触。结果显示，第 2 组与第 1 组相比 HTL 有所增加（P < 0.01），第 3 组与第 2 组相比（P < 0.05）仅在扩展的高频范围内有所增加，第 3 组与第 1 组相比（P < 0.01）。此外，与第 1 组相比，第 2 组的平均全局振幅、再现性和频率振幅均有所下降（P < 0.05），与第 1 组相比，第 3 组的平均全局振幅、再现性和频率振幅均有所下降（P < 0.05）。第 1 组的 HTL 在低暴露和高暴露之间存在显着差异（P < 0.05），显示高暴露时 HTL 较高。在夜总会 (107.8-112.2) dBA 和 PMP (82.9-104.6) dBA 中测量的声发射显示，根据暴露时间，声音级别对听力健康存在风险。它表明需要在青少年中实施预防和听力健康促进行动。
Adolescent exposure to loud music has become a social and health problem whose study demands a holistic approach. The aims of the current study are:(1) To detect early noise-induced hearing loss among adolescents and establish its relationship with their participation in musical recreational activities and (2) to determine sound immission levels in nightclubs and personal music players (PMPs).The participants consisted in 172 14-15 years old adolescents from a technical high school. Conventional and extended high frequency audiometry, transient evoked otoacoustic emissions and questionnaire on recreational habits were administered. Hearing threshold levels (HTLs) were classified as: normal (Group 1), slightly shifted (Group 2), and significantly shifted (Group 3). The musical general exposure (MGE), from participation in recreational musical activities, was categorized in low, moderate, and high exposure. The results revealed an increase of HTL in Group 2 compared with Group 1 (P < 0.01), in Group 3 compared with Group 2 (P < 0.05) only in extended high frequency range, in Group 3 compared with Group 1 (P < 0.01). Besides, a decrease in mean global amplitude, reproducibility and in frequencies amplitude in Group 2 compared with Group 1 (P < 0.05) and in Group 3 compared with Group 1 (P < 0.05). A significant difference (P < 0.05) was found in Group 1's HTL between low and high exposure, showing higher HTL in high exposure. The sound immission measured in nightclubs (107.8-112.2) dBA and PMPs (82.9-104.6) dBA revealed sound levels risky for hearing health according to exposure times. It demonstrates the need to implement preventive and hearing health promoting actions in adolescents.