Review of exercise-induced asthma

Article Abstract:

This article reviews the recent work on exercise-induced asthma (EIA) with reference to pathogenesis, diagnosis, and treatment. The pathophysiology of EIA falls into two theories, the hyperosmolar theory and the airway rewarming theory. Data show that EIA occurs in school children in gym classes and in Olympic athletes and treated mostly with an inhaled beta agonist and/or cromolyn before exercise.

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Role of airway receptors in altitude-induced dyspnea

Article Abstract:

Research presented concerns the physiological processes involved in the sensations of altitude-related dyspnea or shortness of breath. Sensations of air hunger, fast breathing, and chest tightening are measured in individuals exercising and at rest at high altitudes, and it is revealed that airway afferents such as tetracaine has no effect on these breathing sensations.

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Dietary salt restriction improves pulmonary function in exercise-induced asthma

Article Abstract:

This article compares the pulmonary function of subjects with exercise-induced asthma on high and low salt diets. Results indicate that high salt diets worsened asthma symptoms and low salt diets improved forced expiratory capacity and expiratory flow rates in asthmatic subjects.

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