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.
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Exercise-induced bronchoconstriction in children: Delphi study and consensus document about definition and epidemiology, diagnostic work-up, treatment, and follow-up.
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Department of Medicine and Surgery, Pediatric Clinic, University of Parma, Via Gramsci 14, 43126, Parma, Italy.
Background: Exercise-induced bronchoconstriction (EIB) is common in children with asthma but can be present also in children without asthma, especially athletes. Differential diagnosis includes several conditions such as exercise-induced laryngeal obstruction (EILO), cardiac disease, or physical deconditioning. Detailed medical history, clinical examination and specific tests are mandatory to exclude alternative diagnoses.
View Article and Find Full Text PDFMidterm Effects of SARS-CoV-2 on Respiratory Function in Judokas With and Without Exercise-Induced Bronchoconstriction: A Retrospective Study.
Clin J Sport Med
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Faculty of Medicine, University of Ondokuz Mayıs, Samsun, Türkiye.
Objectives: The clinical consequences of coronavirus infection in elite judokas with exercise-induced bronchoconstriction (EIB) are unclear. We aimed to determine potential respiratory function abnormalities and recovery in athletes with and without EIB after severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) infection.
Design: Retrospective cohort study.
Diagnostic Testing in Exercise-Induced Bronchoconstriction.
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Department of Respiratory Medicine, Thorax Institute, Hospital Maciel, Facultad de Medicina, Universidad de la República, 25 de Mayo 174, Montevideo 11000, Uruguay.
Exercise-induced bronchoconstriction (EIB), a reversible airflow obstruction triggered by exercise, should be considered in patients presenting with symptoms of dyspnea, cough, wheeze, and chest tightness during or after vigorous exercise. Over the past several years, various diagnostic modalities have been developed and evaluated for the diagnosis of EIB, giving the clinician multiple options for diagnostic testing. Here, the authors present a review of the various testing options that can be used in the diagnosis of EIB, with a discussion of testing protocols and considerations for choosing the appropriate diagnostic test.
View Article and Find Full Text PDFThe Impact of Climate, Aeroallergens, Pollution, and Altitude on Exercise-Induced Bronchoconstriction.
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Instituto Nacional del Torax, Santiago de Chile, Chile.
Article Synopsis
- Exercise-induced bronchoconstriction (EIB) can occur independently or alongside asthma, and its development is influenced by a variety of factors.
- Environmental elements such as climate, allergens, air pollution, and altitude can exacerbate EIB symptoms.
- Educating patients about how these environmental factors affect their condition may help them manage symptoms better and enhance their ability to exercise.
Mechanisms and Biomarkers of Exercise-induced Bronchoconstriction: Current Insights and Future Directions.
Immunol Allergy Clin North Am
February 2025
School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK; Department of Respiratory Medicine, Leeds Teaching Hospitals NHS Trust, UK.
Exercise-induced bronchoconstriction (EIB) refers to temporary lower airway narrowing that occurs during or after vigorous physical exertion, with a high incidence in athletes and individuals with pre-existing asthma. The pathophysiology of EIB is not completely understood, but it is thought to involve a complex interplay among airway epithelial changes, immune responses, and environmental interactions. Phenotypic differences are apparent among those affected by EIB.
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