Abstract
Objective: The objective of the study was to assess the vestibular system among workers exposed to long-term noises.Design: This study design was a cross-sectional study. Setting: This study was conducted at Department of Otolaryngology, King Abdulaziz Special Hospital, Taif, Saudi Araia. Patients: The study involved two groups: long-term noise exposure group (N group), 126 workers, in a printing facility and a control group (Group C), 48 voluntaries, employee from a noise-free environment. Participants and Methods: Both groups had audiometrical and vestibular assessment using videonystagmograph (VNG) in a controlled environment. Results: Pure tone audiometry showed a significant reduction in N group high frequencies threshold compared with C group. Vertigo attacks were reported in 11 workers (24.4%) among the N group and VNG revealed six workers (13.3%) from N group diagnosed as peripheral insult while benign paroxysmal positional vertigo found in three workers (6.7%), while 36 workers (80%) in the same N group had normal “VNG” findings. Conclusion: Vestibular dysfunction may occur in workers with long-term chronic noise exposures.
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