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Clinically relevant phenotypes in chronic rhinosinusitis.

Jessica W Grayson1, Marina Cavada2,3, Richard J Harvey2,3

  • 1Rhinology and Skull Base Research Group, St Vincent's Centre for Applied Medical Research, University of New South Wales, 67 Burton Street, Darlinghurst, Sydney, NSW, 2010, Australia. jessica.w.grayson@gmail.com.

Journal of Otolaryngology - Head & Neck Surgery = Le Journal D'Oto-Rhino-Laryngologie Et De Chirurgie Cervico-Faciale
|May 31, 2019
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Summary
This summary is machine-generated.

This review simplifies chronic rhinosinusitis (CRS) management by classifying patients into three phenotypes: atopic, eosinophilic CRS, and non-eosinophilic CRS. This approach aids in targeted treatment beyond standard therapies.

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Area of Science:

  • Otolaryngology
  • Immunology
  • Respiratory Medicine

Background:

  • Chronic rhinosinusitis (CRS) is a complex upper airway inflammatory disease.
  • Current classifications, like CRS with/without nasal polyposis, inadequately address underlying etiologies.
  • A need exists for improved patient stratification based on disease mechanisms.

Purpose of the Study:

  • To review clinical presentation, diagnostic methods, and treatment algorithms for three primary CRS phenotypes.
  • To highlight the clinical utility of differentiating central compartment atopic disease, eosinophilic CRS, and non-eosinophilic CRS.
  • To provide a framework for phenotype-guided management of CRS.

Main Methods:

  • A narrative review of research themes from a tertiary rhinology center.
  • Analysis of how these themes inform clinical protocols and practice.
  • Synthesis of information on clinical presentation, radiology, endoscopy, and histopathology.

Main Results:

  • Three distinct phenotypes of primary CRS are identified: central compartment atopic disease, eosinophilic CRS, and non-eosinophilic CRS.
  • Each phenotype exhibits unique clinical, radiological, endoscopic, and histopathological characteristics.
  • Established therapies exist for each CRS phenotype, targeting specific inflammatory pathways.

Conclusions:

  • Clinical differentiation of CRS into these three phenotypes is feasible and valuable for patient management.
  • Understanding CRS phenotypes and their etiologies enables personalized treatment strategies.
  • This approach moves beyond a one-size-fits-all model, optimizing care for CRS patients.