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Article
December 1, 1989

An Outbreak of Nitrogen Dioxide—Induced Respiratory Illness Among Ice Hockey Players

JAMA. 1989;262(21):3014-3017. doi:10.1001/jama.1989.03430210056030
Abstract

During February 1987 an outbreak of nitrogen dioxide—induced respiratory illness occurred among players and spectators of two high school hockey games played at an indoor ice arena in Minnesota. The source of the nitrogen dioxide was the malfunctioning engine of the ice resurfacer. Case patients experienced acute onset of cough, hemoptysis, and/or dyspnea during, or within 48 hours of attending, a hockey game. One hundred sixteen cases were identified among hockey players, cheerleaders, and band members who attended the two games. Members of two hockey teams had spirometry performed at 10 days and 2 months after exposure; no significant compromise in lung function was documented. Nitrogen dioxide exposure in indoor ice arenas may be more common than currently is recognized; only three states require routine monitoring of air quality in ice arenas, and the respiratory symptoms caused by exposure to nitrogen dioxide are nonspecific and easily misdiagnosed.

(JAMA. 1989;262:3014-3017)

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