• Andrew J MacGregor, Antony R Joseph, and Amber L Dougherty.
• Medical Modeling, Simulation, and Mission Support Department, Naval Health Research Center, San Diego, CA 92106.
• Mil Med. 2020 Sep 18; 185 (9-10): e1608-e1614.

IntroductionTinnitus is an auditory problem frequently reported by military personnel and is currently responsible for 1 billion dollars annually in disability compensation. Recent military conflicts in Iraq and Afghanistan saw high levels of combat exposure coupled with a surge in blast weaponry, both of which can adversely affect hearing. The present study explored the prevalence of tinnitus and the association with self-rated health among military personnel injured during combat deployment.Materials And MethodsA total of 1,026 U.S. military personnel who sustained an injury during operations (592 battle blast, 73 battle nonblast, 361 nonbattle) in Iraq were identified from clinical records. Post-Deployment Health Assessments administered at two separate points in time were used to identify self-reported tinnitus symptoms and self-rated health within 1 year of injury.ResultsThose with a battle blast injury had the highest prevalence of tinnitus with 19.1% and 31.3% on the first and second health assessments, respectively. In a multivariate model adjusting for combat exposure, concussion, posttraumatic stress disorder, and other covariates, tinnitus was associated with lower self-rated health for both the first (odds ratio [OR] = 3.31, 95% confidence interval [CI] = 2.07-5.30, P < 0.001) and second assessments (OR = 2.52, 95% CI = 1.76-3.61, P < 0.001).ConclusionsTinnitus is a common source of impairment among military personnel injured during combat deployment and is associated with poorer self-rated health. Future research should determine whether timing of assessment is linked to symptom recognition or reporting, and what interventions are best suited for ameliorating the negative impact of tinnitus.Published by Oxford University Press on behalf of Association of Military Surgeons of the United States 2020. This work is written by (a) US Government employee(s) and is in the public domain in the US.

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