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Related Experiment Video

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Immunofluorescent Labeling in Nasal Mucosa Tissue Sections of Allergic Rhinitis Rats via Multicolor Immunoassay

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Mucosal remodeling in chronic rhinosinusitis.

Ryan M Rehl¹, André A Balla, Robert J Cabay

¹Arizona Sinus Center, Phoenix, Arizona 85006, USA. rrehl@arizonasinus.com

American Journal of Rhinology

|January 19, 2008

Summary

Mucosal remodeling, indicated by thickened basement membranes (BM), is linked to longer chronic rhinosinusitis (CRS) symptom duration and asthma. This suggests sinus remodeling similar to that seen in persistent asthma.

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Rapid Viscoelastic Characterization of Airway Mucus Using a Benchtop Rheometer

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Published on: April 21, 2022

Area of Science:

Otorhinolaryngology
Pulmonology
Pathology

Background:

Mucosal remodeling is a known feature in asthma but not well-characterized in chronic rhinosinusitis (CRS).
Understanding mucosal changes in CRS is crucial for effective treatment strategies.

Purpose of the Study:

To identify and quantify mucosal remodeling in chronic rhinosinusitis (CRS) patients.
To correlate the degree of mucosal remodeling with clinical parameters.

Main Methods:

Histopathological analysis of sinus mucosa from 53 CRS patients undergoing surgery.
Assessment of basement membrane (BM) thickness and grading.
Comparison with control mucosa from 10 non-CRS individuals.

Main Results:

Basement membrane (BM) thickness positively correlated with CRS symptom duration.
Markedly thickened BM was associated with longer symptom duration (120 vs. 33 months).
Increased BM thickness correlated with higher incidence of asthma and aspirin sensitivity.

Conclusions:

Elevated BM thickness in CRS patients indicates mucosal remodeling.
This remodeling is linked to prolonged symptoms and comorbid asthma.
Findings suggest paranasal sinus remodeling analogous to bronchial changes in persistent asthma.