Middle ear injury in animals exposed to complex blast waves inside an armored vehicle

The Annals of Otology, Rhinology & Laryngology. Supplement
Y Y PhillipsK T Dodd

Abstract

With greater reliance on armored vehicles of improved survivability, questions have arisen about the likelihood of the wounding of vehicle occupants from blast waves alone. In this study, we placed anesthetized animals (sheep or pigs) inside lightly armored vehicles and exposed them to the blast waves generated by one of three sizes of shaped-charge munitions. Sixty-seven animals were exposed and 15 served as controls. No difference was noted between exposed and control groups for blast injury to the respiratory or gastrointestinal tracts. In contrast, middle ear damage was observed exclusively in animals exposed to blast and was correlated strongly with the peak pressure. The ear is the organ most sensitive to blast damage, and if protectors are not used, military physicians can expect to see a high incidence of middle ear injury in modern combat. The operational consequences of such an injury are not known.

References

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Citations

Feb 13, 2004·The Journal of Trauma·Shabbir M MoochhalaColin Greengrass
Dec 17, 2014·Computer Methods in Biomechanics and Biomedical Engineering·Mohaddeseh FadaeiGoodarz Ahmadi
Nov 1, 1994·The Journal of Laryngology and Otology·R J Garth
Nov 14, 2013·PloS One·Xiaoping DuRichard D Kopke
Oct 1, 1995·Neuropathology and Applied Neurobiology·C KaurE A Ling
May 31, 2018·Hearing Research·Nathaniel T GreeneDaniel J Tollin
Oct 3, 1999·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·W J McfeelyD F Hegyi

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