Asthma and exercise : climatic effects upon exersice-induced bronchoconstriction and exercise capacity in asthmatic subjects
Doctoral thesis
Permanent lenke
http://hdl.handle.net/11250/171277Utgivelsesdato
2008Metadata
Vis full innførselSamlinger
Sammendrag
The present thesis consists of five studies with the main objective to investigate the
effect of different climatic conditions upon exercise capacity and exercise-induced
bronchoconstriction (EIB) in subjects with diagnosed EIB (reduction in forced
expiratory volume in 1 second (FEV1) ≥ 10% from before to after exercise). In order to
assess exercise capacity measured by peak oxygen uptake (V& O2 peak) and peak minute
ventilation (V& E peak), two different exercise protocols were evaluated. The usefulness to
diagnose EIB in medium altitude by a competitive cross-country skiing field test was
compared to assessment of methacholine induced bronchial hyperresponsiveness
(BHR) in elite cross-country skiers. Paper I: Stensrud T. and Carlsen K-H. Can one single test protocol for provoking
exercise-induced bronchoconstriction also be used for assessing aerobic
capacity? Clin Respir Jour 2008. In press. Paper II: Berntsen S., Stensrud T., Ingjer F., Vilberg A., Carlsen K-H. Asthma in
medium altitude - exercise-induced bronchoconstriction in hypobaric
environment in subjects with asthma. Allergy 2005 Oct; 60(10):1308-11. Paper III: Stensrud T., Berntsen S., Carlsen K-H. Humidity influences exercise capacity
in subjects with exercise-induced bronchoconstriction (EIB). Respir Med 2006
Sep; 100(9):1633-41. Paper IV: Stensrud T., Berntsen S., Carlsen K-H. Exercise capacity and exerciseinduced
bronchoconstriction in a cold environment. Respir Med 2007 Jul;
101(7):1529-36. Paper V: Stensrud T., Mykland K.V., Gabrielsen K. and Carlsen K-H. Bronchial
hyperresponsiveness in skiers: field test versus methacholine provocation?
Medicine and Science in Sports and Exercise Med Sci Sports Exerc 2007 Oct;
39(10):1681-6.
Beskrivelse
Avhandling (doktorgrad) – Norges idrettshøgskole, 2008.