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[An update on cystic fibrosis for the ENT-specialist]

A Rozsasi1, T Keck

  • 1Hals-Nasen-Ohrenklinik des Universitätsklinikums Ulm. ajnirozsasi@hotmail.com

Laryngo- Rhino- Otologie
|November 1, 2003
PubMed

Insights

Cystic fibrosis (CF) patients frequently develop chronic rhinosinusitis with unique nasal differences compared to non-CF individuals. Management often requires surgery due to bacterial infections and ineffective antibiotic treatments.

Area of Science:

  • Otorhinolaryngology
  • Genetics
  • Infectious Disease

Context:

  • Cystic fibrosis (CF) patients exhibit significant otorhinolaryngological morbidity, particularly affecting nasal airways and paranasal sinuses.
  • The genetic defect in CF respiratory mucosa leads to chronic rhinosinusitis, often with nasal polyps.
  • CF-related chronic rhinosinusitis presents distinct pathological features compared to non-CF sinusitis.

Purpose:

  • To highlight the unique characteristics of chronic rhinosinusitis in cystic fibrosis patients.
  • To differentiate CF-related sinusitis from sinusitis in non-CF individuals.
  • To discuss current management challenges and potential therapeutic avenues.

Summary:

  • CF patients show neutrophil predominance in nasal epithelium, thickened mucosa, and viscous mucus, unlike non-CF patients where eosinophils dominate.
  • Respiratory mucosa in CF is commonly colonized by Staphylococcus and Pseudomonas, contributing to epithelial damage and sinus infections.
  • Standard antibiotic treatments often fail, necessitating surgical intervention, while new therapies like Dornase-alpha are still under investigation.

Impact:

  • Emphasizes the need for specialized care and strict hygiene protocols for CF patients in clinical settings.
  • Underscores the limitations of current treatments and the ongoing search for effective therapies, including genetic approaches.
  • Provides a foundation for understanding the specific pathophysiology of sinus disease in CF, guiding future research and clinical practice.

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