Background In the 5 years that have passed since the publication of the 2018 International
Consensus Statement on Allergy and Rhinology: Allergic Rhinitis (ICAR‐Allergic Rhinitis …

Asthma severity and control can be measured both subjectively and objectively. Traditionally
asthma treatments have been individualised using symptoms and spirometry/peak flow …

Study objectives The fraction of exhaled nitric oxide (F eno) is elevated in subjects with
asthma and atopy, and it has been proposed to be a noninvasive marker of airway …

Background Current Equipment Specifications for Online and Offfine Analysis of Exhaled
and Nasal NO in Adults and Children Equipment Considerations for Breath-by-Breath NO …

Although asthma has long been considered a heterogeneous disease, attempts to define
subgroups of asthma have been limited. In recent years, both clinical and statistical …

Background The measurement of severity and control of asthma in both children and adults
can be based on subjective or objective measures. It has been advocated that fractional …

As an 'inflammometer', the fraction of nitric oxide in exhaled air (FeNO) is increasingly used
in the management of paediatric asthma. FeNO provides us with valuable, additional …

Bronchopulmonary dysplasia (BPD), the chronic lung disease of prematurity, may be
associated with long-term airflow limitation. Survivors of BPD may develop asthma-like …

Background Prediction of asthma in young children with respiratory symptoms is hampered
by the lack of objective measures applicable in clinical routine. In this prospective study in a …

Asthma is a chronic disease characterized by airway inflammation, bronchial
hyperresponsiveness, and recurrent episodes of reversible airway obstruction. The disease …