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A Study To Assess The Prevalence Of Exercise-Induced Bronchoconstriction In Inter-County Hurling.Hunt, EB; Murphy, B; Murphy, C; Crowley, T; Cronin, O; Hay, S; Stack, M; Bowen, B; Ronan, N; Greene, E; et al. (Irish Medical Journal, 2017-11)Exercise-Induced Bronchoconstriction (EIB) is an acute, transient airway narrowing occurring after exercise which may impact athletic performance. Studies report 10% of the general population and up to 90% of asthmatics experience EIB. Ninety-two players from three elite hurling squads underwent a spirometric field-based provocation test with real-time heart rate monitoring and lactate measurements to ensure adequate exertion. Players with a new diagnosis of EIB and those with a negative field-test but with a previous label of EIB or asthma underwent further reversibility testing and if negative, methacholine challenge. Eight (8.7%) of players had EIB, with one further athlete having asthma with a negative field test. Interestingly, only three out of 12 players who had previously been physician-labelled with EIB or asthma had their diagnosis objectively confirmed. Our study highlights the role of objective testing in EIB.