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Title: Longitudinal evaluation of a hearing protector fit training program
Authors: ASSUNCAO, Caio Henrique de CarvalhoTRABANCO, Julio CesarGOMES, Raquel FornazieroMOREIRA, Renata RodriguesSAMELLI, Alessandra Giannella
Citation: MEDICINA DEL LAVORO, v.110, n.4, p.304-311, 2019
Abstract: Objective: The present study evaluates a training program for fitting dyferent hearing protection devices (HPDs) based on personal attenuation rating (PAR) before, immediately after, and six months after training. Methods: A total of67 workers from a public university in the city of Sao Paulo, Brazil, were invited to participate in the measurement of PARs for foam and silicone protectors through the 3M (TM) E-A-Rfit Validation System. Two evaluations were performed for each protector at each sampling date: one after reading printed material (the package instructions) and another after being trained by an audiologist. The same procedures were repeated after six months. The final sample consisted of 30 individuals. AIVOVA was used for statistical analysis. Results: Larger PAR values were observed after training by the audiologist, and smaller values were observed after six months. Then, after re-training, the values increased again. There were no statistically significant differences in PAR among the HPDs tested. Even after the two training sessions, 23 to 27% of the subjects did not obtain adequate PAR values. Conclusion: These findings emphasize the need for continual worker training in the correct fit of earplug HPDs and the importance of longitudinal PAR monitoring. In addition, some workers, despite the training provided, did not adapt to the HPDs used. Therefore, it is essential that other protection methods and/or other HPD types are made available to these individuals.
Appears in Collections:

Artigos e Materiais de Revistas Científicas - FM/MFT
Departamento de Fisioterapia, Fonoaudiologia e Terapia Ocupacional - FM/MFT

Artigos e Materiais de Revistas Científicas - HU
Hospital Universitário - HU

Artigos e Materiais de Revistas Científicas - LIM/34
LIM/34 - Laboratório de Ciências da Reabilitação

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