PMID: 9424397Sep 1, 1996Paper

Clinical features predictive of exercise-induced asthma in children

Respirology : Official Journal of the Asian Pacific Society of Respirology
P Nolan

Abstract

Exercise-induced asthma (EIA) is a common symptom among young asthmatics. The hypothesis that asymptomatic day-to-day wide fluctuations in lung function and asymptomatic persistent airflow obstruction are risk factors for the development of EIA was studied. The study population was a cohort of known asthmatic children aged 9-14 years attending a residential asthma camp. The method involved the observation of baseline expiratory peak flow recordings (PEFR) for 5 days while the children were receiving their usual maintenance therapy. The method also included the determination of FEV1 pre- and post- 15 min of continuous aerobic exercise. Exercise-induced asthma was expressed as the Lability index (LI). The findings were that LI was significantly correlated (P < 0.01) with the mean PEFR as a per cent of each child's predicted PEFR. The lability index also correlated (P < 0.01) with the degree of day-to-day variability in PEFR expressed as the coefficient of variance (CV). It is concluded that there is a significant correlation between baseline asthma control and the development of EIA. In addition to recommending pre-exercise prophylaxis, practitioners should investigate overall asthma control in children reporting EIA.

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Citations

Jul 2, 2003·Pediatric Pulmonology·Georgios LiangasRichard L Henry
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Oct 13, 2009·Health & Social Care in the Community·Gerd Ahlström, Barbro Wadensten
Jun 10, 2010·Journal of Psychiatric and Mental Health Nursing·G McGhee, J Atkinson
Dec 21, 2007·Scandinavian Journal of Medicine & Science in Sports·V BackerL Pedersen

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