First-generation H1-receptor antagonists are popularly used for alleviating allergy and cold symptoms, but these antihistaminics cause drowsiness and sedation. Such side effects could impair performance and, thus, could be the cause or a factor in accidents. Therefore, the prevalence of these antagonists was evaluated in aviation accident pilot fatalities. During civil aircraft accident investigations, postmortem samples from pilots involved in fatal aviation accidents are submitted to the Civil Aerospace Medical Institute (CAMI) for toxicological analyses. These analytical findings are stored in a database. This CAMI Toxicology Database was examined for the presence of the first-generation antihistamines in pilot fatalities of civil aircraft accidents that occurred during a 16-year (1990-2005) period. Of 5383 fatal aviation accidents from which CAMI received specimens, there were 338 accidents wherein pilot fatalities (cases) were found to contain the antihistaminics brompheniramine, chlorpheniramine, diphenhydramine, doxylamine, pheniramine, phenyltoloxamine, promethazine, and triprolidine. Of the 338 accidents, 304 were general aviation accidents; 175 of the 338 pilots held private pilot airman certificates. Antihistamines were detected alone in 103 fatalities (1 antihistamine in 94 fatalities and 2 antihistamines in 9), while other drug(s) and/or ethanol were also present in an additional 235 fatalities. Thirty-five of the 338 fatalities had more than 1 antihistamine. The antihistamines were found in approximately 4 and 11% of the fatalities/accidents in 1990 and in 2004, respectively.


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    Title :

    First-Generation H1 Antihistamines Found in Pilot Fatalities of Civil Aviation Accidents, 1990-2005


    Contributors:
    A. Sen (author) / A. Akin (author) / K. J. Craft (author) / D. V. Canfield (author) / A. K. Chaturvedi (author)

    Publication date :

    2007


    Size :

    17 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English






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