Negative bronchodilator response can exclude asthma in young kids

Spirometry can be useful in preschool aged children to help predict asthma – with a bronchodilator response based on FEV0.75 shown to offer the most discrimination, Australia experts say. The research, conducted in a cohort of 720 preschoolers in Argentina, found an 11% increase in FEV0.75 was the threshold for a positive bronchodilator response. A ...