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Saturday, February 12 • 3:00pm - 8:00pm
Jet-fuel exposures and Central Auditory Nervous System Difficulties

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Central Auditory Nervous System Dysfunction (CANSD) can manifest hearing difficulty in the absence of audiometric abnormalities. Effects of jet-fuel exposure to the CANS have been extensively studied in animal models and preliminarily in humans. This study aimed to investigate pure-tone audiometric thresholds, annual noise exposures (ANEs), and modified Amsterdam Inventory for Auditory Disability (mAIAD) responses that may suggest CANSD secondary to jet-fuel and noise exposures. A total of 48 age and sex matched participants were recruited: 24 were Military Bulk Fuel Specialists and 24 were military personnel without jet-fuel exposure. All participants completed the mAIAD, the Noise Exposure Questionnaire, and automated pure-tone air conduction audiometry, speech audiometry, and tympanometry. Results revealed non-significant differences in pure-tone thresholds between groups; consistently and markedly lower mAIAD scores for the jet-fuel group compared to the control group; significantly different ANEs whereby the jet-fuel group had higher noise exposures compared to the control group. Nevertheless, no correlation between mAIAD scores and ANE existed. Overall, the jet-fuel group had lower mAIAD scores, specifically in the speech-in-noise (SIN) subdomain, and higher ANE scores than the controls. Results support that reduced SIN scores are the most prominent mAIAD differentiator between participants who had jet-fuel exposure and the controls.

Speakers
avatar for Laura Dreisbach Hawe, Ph.D

Laura Dreisbach Hawe, Ph.D

Associate Professor, San Diego State University
Laura Dreisbach Hawe is a certified Audiologist and Associate Professor in the School of Speech, Language, and Hearing Sciences at San Diego State University. She obtained a Ph.D. in Audiology and Hearing Sciences from Northwestern University, where her studies involved the objective... Read More →
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O'Neil W. Guthrie, Ph.D

Dr. Oneil W. Guthrie received his B.S. and M.S. degrees from the State University of New York campuses at Geneseo and Fredonia. He completed research training in molecular biology and audiology at the University of Pittsburgh where he earned a Ph.D. He then completed postdoctoral... Read More →
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Tanner Miller, MD

Lieutenant Tanner Miller is currently a fourth year otolaryngology resident at Naval Medical Center San Diego. After internship training, he served as a Naval Flight Surgeon for three years completing training at the Naval Aeronautical Medical Institute. Active research interests... Read More →
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Sara Murphy, MPH

Ms. Sara Murphy serves as a contract Regional Research Coordinator/Administrator for the Defense Hearing Center of Excellence. Ms. Murphy facilitates auditory and vestibular research collaborations in the Pacific Southwest, including grantsmanship activities, protocol development... Read More →
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Caroline Schlocker, MD

Caroline Messmer Schlocker, MD is an otolaryngologist-otologist at Naval Medical Center Readiness and Training Command, San Diego, CA and Commander in the United States Navy Medical Corps. She is an assistant professor of surgery at the Uniformed Services University of Health Sci... Read More →


Saturday February 12, 2022 3:00pm - 8:00pm CST
Virtual
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Attendees (1)