PMID: 696304Sep 1, 1978Paper

The volume of trapped gas: a new and sensitive test for the detection of exercise-induced bronchospasm in children

Acta paediatrica Scandinavica
E SvenoniusR Kautto

Abstract

The volume of trapped gas (VTG) was measured at the end of a nitrogen multiple breath wash out procedure in 16 asthmatic and 10 healthy children before and after exercise. When compared to conventional spirometric variables VTG was the most sensitive test for detection of exercise-induced asthma (EIA). The VTG was significantly higher before exercise in the asthmatic children and increased significantly after exercise, while it did not change in the healthy controls. The significance of changes caused by EIA increased if VTG/TLC % or VTG/VC % wer used. Salbutamol inhalation normalized the VTG in all the asthmatic children.

References

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Citations

Jun 11, 1992·British Journal of Industrial Medicine·U HjortsbergM Arborelius
May 1, 1991·Scandinavian Journal of Gastroenterology·P M GustafssonL Tibbling
Dec 23, 2006·Pediatric Pulmonology·Per M Gustafsson
Feb 1, 1982·Allergy·E SvenoniusB Lilja
Jan 1, 1988·American Journal of Industrial Medicine·U HjortsbergH Welinder
Sep 11, 2008·Human Brain Mapping·Carles Soriano-MasAnna Sans
Jan 31, 2008·American Journal of Physiology. Endocrinology and Metabolism·Niru GoenkaJ Paul O'Hare
Jan 26, 2008·Journal of Applied Physiology·Mats H Linér, Johan P A Andersson
Jan 1, 1979·Lung·E Svenonius, R Kautto

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