Exercise-induced bronchoconstriction in elite or endurance athletes:: Pathogenesis and diagnostic considerations. 2020

Taylor J Atchley, and Derek M Smith
Wilford Hall Ambulatory Surgical Center, Lackland AFB, Texas. Electronic address: taylor.j.atchley.mil@mail.mil.

To review the pathogenesis and evaluation of exercise-induced bronchoconstriction pertaining to the elite or endurance athlete, as well as propose a diagnostic algorithm based on the current literature. Studies were identified using Ovid MEDLINE and reference lists of key articles. Randomized controlled trials were selected when available. Systematic reviews and meta-analyses of peer-reviewed literature were included, as were retrospective studies and observational studies of clinical interest. Exercise-induced bronchoconstriction (EIB) is the physiologic entity in which exercise induces acute narrowing of the airways and occurs in patients both with and without asthma. It may present with or without respiratory symptoms, and the underlying cause is likely attributable to environment stressors to the airway encountered during exercise. These include the osmotic effects of inhaled dry air, temperature variations, autonomic nervous system dysregulation, sensory nerve reactivity, and airway epithelial injury. Deposition of allergens, particulate matter, and gaseous pollutants into the airway also contribute. Elite and endurance athletes are exposed to these stressors more frequently and in greater duration than the general population. A greater awareness of EIB among elite and endurance athletes is needed, and a thorough evaluation should be performed if EIB is suspected in this population. We propose an algorithm to aid in this evaluation. Symptoms should not be solely relied on for diagnosis but should be taken into the context of bronchoprovocative challenges, which should replicate the competitive environment as closely as possible. Further research is needed to validate these tests' predictive values.

UI MeSH Term Description Entries
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000465 Algorithms A procedure consisting of a sequence of algebraic formulas and/or logical steps to calculate or determine a given task. Algorithm
D001250 Asthma, Exercise-Induced Asthma attacks following a period of exercise. Usually the induced attack is short-lived and regresses spontaneously. The magnitude of postexertional airway obstruction is strongly influenced by the environment in which exercise is performed (i.e. inhalation of cold air during physical exertion markedly augments the severity of the airway obstruction; conversely, warm humid air blunts or abolishes it). Bronchospasm, Exercise-Induced,Exercise-Induced Asthma,Exercise-Induced Bronchospasm,Asthma, Exercise Induced,Bronchospasm, Exercise Induced,Exercise Induced Asthma,Exercise Induced Bronchospasm,Exercise-Induced Asthmas,Exercise-Induced Bronchospasms
D056352 Athletes Individuals who have developed skills, physical stamina and strength or participants in SPORTS or other physical activities. College Athletes,Elite Athletes,Professional Athletes,Athlete,Athlete, College,Athlete, Elite,Athlete, Professional,Athletes, College,Athletes, Elite,Athletes, Professional,College Athlete,Elite Athlete,Professional Athlete

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