Exhaled breath temperature and exercise-induced bronchoconstriction in asthmatic children
Diego G. Peroni MD
Department of Paediatrics, University of Verona, Verona, Italy
Search for more papers by this authorIolanda Chinellato MD
Department of Paediatrics, University of Verona, Verona, Italy
Search for more papers by this authorMichele Piazza MD
Department of Paediatrics, University of Verona, Verona, Italy
Search for more papers by this authorFederica Zardini MD
Department of Paediatrics, University of Verona, Verona, Italy
Search for more papers by this authorAlessandro Bodini MD
Department of Paediatrics, University of Verona, Verona, Italy
Search for more papers by this authorFrancesca Olivieri MD
Department of Paediatrics, University of Verona, Verona, Italy
Search for more papers by this authorAttilio L. Boner MD
Department of Paediatrics, University of Verona, Verona, Italy
Search for more papers by this authorCorresponding Author
Giorgio L. Piacentini MD
Department of Paediatrics, University of Verona, Verona, Italy
Department of Paediatrics, Policlinico GB Rossi, Piazzale L. Scuro, 37134 Verona, Italy.Search for more papers by this authorDiego G. Peroni MD
Department of Paediatrics, University of Verona, Verona, Italy
Search for more papers by this authorIolanda Chinellato MD
Department of Paediatrics, University of Verona, Verona, Italy
Search for more papers by this authorMichele Piazza MD
Department of Paediatrics, University of Verona, Verona, Italy
Search for more papers by this authorFederica Zardini MD
Department of Paediatrics, University of Verona, Verona, Italy
Search for more papers by this authorAlessandro Bodini MD
Department of Paediatrics, University of Verona, Verona, Italy
Search for more papers by this authorFrancesca Olivieri MD
Department of Paediatrics, University of Verona, Verona, Italy
Search for more papers by this authorAttilio L. Boner MD
Department of Paediatrics, University of Verona, Verona, Italy
Search for more papers by this authorCorresponding Author
Giorgio L. Piacentini MD
Department of Paediatrics, University of Verona, Verona, Italy
Department of Paediatrics, Policlinico GB Rossi, Piazzale L. Scuro, 37134 Verona, Italy.Search for more papers by this authorAbstract
It has been hypothesized that exhaled breath temperature (EBT) is related to the degree of airway inflammation/remodeling in asthma. The purpose of this study was to evaluate the relationship between the level of airway response to exercise and EBT in a group of controlled or partly controlled asthmatic children. Fifty asthmatic children underwent measurements of EBT before and after a standardized exercise test. EBT was 32.92 ± 1.13 and 33.35 ± 0.95°C before and after exercise, respectively (P < 0.001). The % decrease in FEV1 was significantly correlated with the increase in EBT (r = 0.44, P = 0.0013), being r = 0.49 (P < 0.005) in the children who were not receiving regular inhaled corticosteroids (ICS) and 0.37 (n.s.) in those who were. This study further supports the hypothesis that EBT can be considered a potential composite tool for monitoring asthma. Pediatr Pulmonol. 2012; 47:240–244. © 2011 Wiley Periodicals, Inc.
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