Journal
ANTIOXIDANTS
Volume 10, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/antiox10091412
Keywords
cystic fibrosis; inflammation; Staphylococcus aureus; chronic rhinosinusitis; paranasal sinus; magnetic resonance imaging
Funding
- German Federal Ministry of Education and Research [82DZL004A1, 82DZL009B1]
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This study found a positive correlation between inflammation and structural abnormalities in MRI in cystic fibrosis patients, with pro-inflammatory markers NE and NE/A1AT complex levels significantly correlating with CRS-MRI sum score. S. aureus infection was associated with increased levels of IL-6 and IL-8, indicating these biomarkers as signs of CRS pathology in CF patients.
Chronic rhinosinusitis (CRS) is a characteristic feature of cystic fibrosis (CF) multiorgan disease and develops early in the life of patients with CF. The study aimed to correlate the inflammatory markers and the presence of structural abnormalities detected by MRI in the paranasal sinuses of patients with CF. Methods: Nasal lavage and MRI of the paranasal sinuses was performed in a cohort of 30 CF patients (median age 14 y; range 7-20 y). Morphological abnormalities characteristic of CF were evaluated with a dedicated CRS MRI scoring system and correlated with different inflammation parameters measured in nasal lavage. Inflammation of the paranasal sinuses was positively associated with structural abnormalities in MRI. The concentration of the pro-inflammatory markers neutrophil elastase (NE) and the neutrophil elastase/alpha1-antitrypsin (NE/A1AT) complex correlated significantly with CRS-MRI sum score (p < 0.05, r = 0.416 and p < 0.05, r = 0.366, respectively). S. aureus infection was associated with the increased pro-inflammatory cytokine activity of IL-6 and IL-8, and increased levels of NE/A1AT complex in our patients (p < 0.05, respectively). CRS-MRI sum score and individual sinus MRI scores were positively associated with inflammatory activity as a sign of CRS pathology present in CF.
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