Authors: Smart, Tracy L.; Singh, Bhupinder

Source: Aviation, Space, and Environmental Medicine, Volume 77, Number 7, July 2006 , pp. 753-757(5)

Publisher: Aerospace Medical Association

Abstract:

Smart TL, Singh B. Excessive daytime sleepiness in a trainee military pilot. Aviat Space Environ Med 2006; 77:753-757.

A 21-yr-old army trainee pilot was noted by his colleagues to be frequently falling asleep in his class and was reported to medical authorities. Despite a number of investigations and review by two sleep specialists, a formal diagnosis could not be made. During his medical review board three questions were posed: does the trainee have excessive daytime sleepiness (EDS), or is his sleepiness a variation of normal; if he is excessively sleepy, what is the most likely diagnosis; and should the trainee be allowed to continue to undertake pilot training based on most likely diagnosis and/or his history. The most likely diagnosis was considered to be idiopathic hypersomnia, a relatively uncommon condition which is a diagnosis of exclusion. The condition was considered incompatible with flight duties in a pilot under training due to the potential for compromise of performance, mission completion, and flight safety. Stimulant medications may control symptoms, but are incompatible with flying duties in the Australian Defense Force. This case illustrates the difficulties in determining aeromedical disposition in borderline cases of EDS where a clear diagnosis cannot be made.

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Keywords: sleepiness; insomnia; military flying; medical fitness

Document Type: Research article

Publication date: 2006-07-01

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• The peer-reviewed monthly journal, Aviation, Space, and Environmental Medicine (ASEM) provides contact with physicians, life scientists, bioengineers, and medical specialists working in both basic medical research and in its clinical applications. It is the most used and cited journal in its field. ASEM is distributed to more than 80 nations.
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