Acute findings in an acquired neurosensory dysfunction
Michael E Hoffer1,2, Bonnie E Levin3, Hillary Snapp1
1Department of Otolaryngology University of Miami Miller School of Medicine Miami Florida.
Laryngoscope Investigative Otolaryngology
|March 5, 2019
Summary
Diplomatic personnel in Havana experienced acute vestibular and cognitive symptoms after a noise/pressure event. Early diagnosis is crucial for understanding this new neurological disorder.
Area of Science:
- Neurology
- Otolaryngology
- Environmental Medicine
Background:
- In 2016, Havana-based diplomatic staff reported unusual symptoms like dizziness, ear pain, and tinnitus.
- These symptoms emerged after exposure to a distinct high-frequency noise and/or pressure sensation.
Purpose of the Study:
- To characterize the acute symptoms in individuals exposed to a specific noise/pressure event in Havana.
- To establish a baseline for understanding the initial injury pattern of this novel disorder.
Main Methods:
- Retrospective review of 25 symptomatic and 10 asymptomatic individuals.
- Analysis of self-reported symptoms and formal clinical testing results.
Main Results:
- Immediate symptoms included intense ear pain, tinnitus, unsteadiness, and cognitive impairment.
- Upon presentation, dizziness (92%) and cognitive complaints (56%) were most prevalent.
- Formal testing confirmed 100% incidence of otolithic abnormality and cognitive dysfunction.
Conclusions:
- The study defines the acute presentation of a phenomenon involving vestibular and cognitive deficits after noise/pressure exposure.
- Findings highlight the universal vestibular injuries and specific cognitive deficits in the acute phase.
- This research aids in accurate diagnosis and understanding of the initial injury pattern for future cases.
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