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The effect of nasal breathing on the exercise induced bronchospasm in children with allergic asthma and rhinitis (CROSBI ID 650927)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Turkalj, Mirjana ; Čanaki, Martina ; Magdić, Robert ; Lipej, Marcel ; Bulat, Sandra ; Živković, Jelena ; Plavec, Davor. The effect of nasal breathing on the exercise induced bronchospasm in children with allergic asthma and rhinitis. 2013

Podaci o odgovornosti

Turkalj, Mirjana ; Čanaki, Martina ; Magdić, Robert ; Lipej, Marcel ; Bulat, Sandra ; Živković, Jelena ; Plavec, Davor.

engleski

The effect of nasal breathing on the exercise induced bronchospasm in children with allergic asthma and rhinitis

Background Allergic rhinitis (AR) is very common in children and itaffects 10–40% of children world-wide. Asthma and AR commonly coexist and we can find up to 30% of asthma in patients with AR and up to 90% of AR in patients with asthma. Moreover, these two disorders seem to influence each other’s activity and intensity. Physical activity is commonly prescribed as a rehabilitation treatment for asthma in children although there is a high percentage of asthmatics with exercise-induced bronchospasm (EIB) at that age and recent studies show beneficial effects of aerobic training on allergic inflammation. EIB can be one of the reasons for low adherence to physical training. The aim of this study was to test if a nose clip during a 6 minute free running test changes the magnitude of EIB according to the severity of AR. Methods The study was conducted in 55 children (24 girls, mean age 12.6 yrs) with moderate persistent asthma and AR in an Asthma Camp, at island Lošinj. Their asthma was controlled under their regular treatment and they were daily participating in an aerobic fitness program. They were divided in two subgroups according to the median of intensity of their nasal symptoms (less nasal symptoms – LNS ; more nasal symptoms – MNS). Spirometry was performed before, 3’ and 20’ after 2 exercises (6 minutes free running with and without a nose clip) done a day apart. Results Two subgroups (LNS and MNS) were not significantly different according to their demographic characteristics, sensitization profile, asthma control, lung function and exhaled NO measurements and physical fitness (p>0.05for all). There was a significantly greater fall in FEV1 3’after exercise with a nose clip in the LNS subgroup than in the MNS subgroup (p<0.001) and compared to testing without the nose clip (LNS, p=0.009 ; MNS, p=0.010). Contrary to the testing with the nose clip there were no significant differences in the FEV1 fall after exercise when the same patients were tested without the nose clip during exercise (p>0.68). Conclusion It seems that regular mouth breathing due to nasal congestion somehow protects patients with asthma and ARfrom EIB.

Allergic rhinitis, children, asthma

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Podaci o prilogu

2013.

nije evidentirano

objavljeno

Podaci o matičnoj publikaciji

Podaci o skupu

9th Symposium of Experimental Rhinology and Immunology of the Nose-SERIN

poster

21.03.2013-23.03.2013

Leuven, Belgija

Povezanost rada

Kliničke medicinske znanosti