The temperature increase of ambient air in the nasal airways can be compared with a logarithmic curve of the heating of air passing a heated tube. As the heating of air is important for water transport, the space between the nasal valve and the middle turbinate is of special functional importance. No correlation to the results of rhinomanometry was found.
Background
Chronic rhinosinusitis (CRS) is a chronic inflammatory disease associated with a substantial personal and socioeconomic burden. Monitoring of patient‐reported outcomes by mobile technology offers the possibility to better understand real‐life burden of CRS.
Methods
This study reports on the cross‐sectional evaluation of data of 626 users of mySinusitisCoach (mSC), a mobile application for CRS patients. Patient characteristics of mSC users were analysed as well as the level of disease control based on VAS global rhinosinusitis symptom score and adapted EPOS criteria.
Results
The mSC cohort represents a heterogeneous group of CRS patients with a diverse pattern of major symptoms. Approximately half of patients reported nasal polyps. 47.3% of all CRS patients were uncontrolled based on evaluation of VAS global rhinosinusitis symptom score compared to 40.9% based on adapted EPOS criteria. The impact of CRS on sleep quality and daily life activities was significantly higher in uncontrolled versus well‐controlled patients. Half of patients had a history of FESS (functional endoscopic sinus surgery) and reported lower symptom severity compared to patients without a history of FESS, except for patients with a history of more than 3 procedures. Patients with a history of FESS reported higher VAS levels for impaired smell.
Conclusion
Real‐life data confirm the high disease burden in uncontrolled CRS patients, clearly impacting quality of life. Sinus surgery improves patient‐reported outcomes, but not in patients with a history of more than 3 procedures. Mobile technology opens a new era of real‐life monitoring, supporting the evolution of care towards precision medicine.
It was possible to evaluate 27 patients in accordance with the study protocol. Clinical symptoms and medication intake were reduced as a result of the IT as were nasal secretion levels of IL-5 (P = 0.007). IFNgamma was increased in nasal secretions (P = 0.01), while IL-4 was not measurable in most samples. No effect was found on proliferation of birch pollen-reactive TCLs, cytokine production by TCLs and the frequency and ratio of CD4+ and CD8bright or CD45RA+ and CD45RO+ cells in peripheral blood (all P > 0.05). Conclusion Preseasonal IT with a birch pollen allergoid is clinically effective in allergic rhinitis and influences cytokine production in the nose, but does not modulate the measured responses of peripheral blood T cells.
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