ArticleRespiratory physiology & neurobiology
Spirometric and exercise ventilatory predictors of expiratory flow-limitation in adults with normal and mildly-obstructed airways.
Article in Respiratory physiology & neurobiology. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeWe determined the resting spirometric and exercise ventilatory variables that are predictive of exercise expiratory flow limitation (EFL) in a group of adults in whom airway function varied from mildly obstructed to above predicted values.
methodsWe studied n = 25 adults (16/9 M/F; age, 31 years) in whom forced expiratory volume in 1 s (FEV
resultsA set of spirometric variables explained 75 % and 73 % of the variance in %-EFL and the presence of EFL using MR
conclusionsGiven the difficulty of measuring EFL during exercise, our findings suggest that integrating additional measurements reflecting ventilatory capacity (i.e., spirometry) and demand (exercise measurements), including dynamic operating lung volumes, in clinical exercise testing will improve assessment of exercise ventilatory constraint.
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