| Titre : | New Metrics Needed in the Evaluation of Hearing Hazard Associated With Industrial Noise Exposure (2021) |
| Auteurs : | Meibian Zhang ; Hongwei Xie ; Jiena Zhou ; et al. |
| Type de document : | Article |
| Dans : | Ear and hearing (Vol. 42, n°2, Mars-Avril 2021) |
| Article en page(s) : | p. 290-300 |
| Langues: | Anglais |
| Descripteurs : |
HE Vinci Audition dans le bruit ; Bruit au travail ; Perte auditive induite par le bruit (NIHL) ; Seuil auditif |
| Résumé : |
To evaluate (1) the accuracy of the International Organization for Standardization (ISO) standard ISO 1999 [(2013), International Organization for Standardization, Geneva, Switzerland] predictions of noise-induced permanent threshold shift (NIPTS) in workers exposed to various types of high-intensity noise levels, and (2) the role of the kurtosis metric in assessing noise-induced hearing loss (NIHL).
Design: Audiometric and shift-long noise exposure data were acquired from a population (N = 2,333) of screened workers from 34 industries in China. The entire cohort was exclusively divided into subgroups based on four noise exposure levels (85 10 years), and four kurtosis categories (Gaussian, low-, medium-, and high-kurtosis). Predicted NIPTS was calculated using the ISO 1999 model for each participant and the actual measured NIPTS was corrected for age and sex also using ISO 1999. The prediction accuracy of the ISO 1999 model was evaluated by comparing the NIPTS predicted by ISO 1999 with the actual NIPTS. The relation between kurtosis and NIPTS was also investigated. Results: Overall, using the average NIPTS value across the four audiometric test frequencies (2, 3, 4, and 6 kHz), the ISO 1999 predictions significantly (p Conclusions: The applicability of the ISO 1999 prediction model to different types of noise exposures needs to be carefully reexamined. A better understanding of the role of the kurtosis metric in NIHL may lead to its incorporation into a new and more accurate model of hearing loss due to noise exposure. |
| Disponible en ligne : | Oui |
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