The nose is strategically placed at the entrance of the airway. Nose breathing takes place
under physiologic circumstances and protects the lower airways from exposure to …

Most patients with asthma also have rhinitis, and the same inflammatory cells and
mechanisms are present in bronchial and nasal mucosa, thus leading to the concept of 'one …

The upper and lower airways are closely linked from an anatomical, histological and
immunological point of view, with inflammation in one part of the airways influencing the …

Besides the anatomic continuity of the upper and lower airways, inflammation in one part of
the airway influences the homeostasis of the other. The mechanisms underlying this …

Rhinitis and asthma are often associated and the two disorders interact at various levels.
Rhinitis typically precedes the development of asthma and can contribute to unsatisfactory …

There is increasing evidence for a close link between the upper and the lower respiratory
tracts and the fact that rhinitis has an important impact on asthma. Several clinical and …

Upper and lower airways are considered a unified morphological and functional unit, and
the connection existing between them has been observed for many years, both in health and …

Allergic asthma and rhinitis are manifestations of the atopic syndrome. Although the
diseases commonly occur together, it is still unclear why some allergic patients develop only …

Allergic asthma and rhinitis are manifestations of the atopic syndrome and often coexist. It
has been demonstrated that allergic rhinitis is a strong risk factor for the onset of asthma in …

Allergic rhinitis: past, present and the future Allergic rhinitis represents a global health issue
affecting between 10% to 25% of the world population, with increasing prevalence over the …