Early Detection and Further Prevention of Noise Induced Hearing Loss by Otoacoustic Emission: Army Recruits of Indian Origin


Background: While there was no study on recruits of Indian heritage in the literature, an attempt was made to screen the individuals for noise-induced hearing loss. The goal of this study was to correlate the initial OAE screening in terms of frequency involved with the time frame after the first shot was fired in order to avoid subsequent exposure and hearing loss. In our investigation, recruits are screened for otoacoustic emission (OAE) before and after their initial exposure to loud rifle shooting sounds. Recruits were followed up with four hours, twenty-four hours, one month, and six months after being exposed. Individuals The overall number of recruits was 98. Referred to OAE after 4 hours, 67 candidates recovered in 24 hours. The remaining 31 recruits (45 Ears) were followed up and screened at 1 month and found 22 recruits (37 Ears) had been referred to OAE and 17 recruits had experienced substantial frequency loss on PTA (31Ears). At six months, 16 recruits (28 ears) have a decrease in OAE and 12 recruits (22 ears) have a high frequency dip in PTA. The OAE is a more sensitive approach for early detection of noise-induced hearing loss. According to this study, people who show REFER in OAE at both 04 and 24 hours with both 3 kHz and 4 kHz included are more likely to develop noise-induced hearing loss in the future.

Author (S) Details

Dr. Himanshu Joshi
Department of Otorhinolaryngology, Military Hospital Jabalpur, Madhya Pradesh, India.

Dr. Avinash Das
Department of Head and Neck Surgery, Military Hospital Jalandhar, Punjab, India.

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